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Publication List - Xiaodong Gu (258 entries)
Journal Paper
-
Liang Dong,
Xiaodong Gu,
Shanting Hu,
Fumio Koyama.
Densely packed 1.1 μm band vertical cavity surface emitting laser array for co-packaged optics,
Japanese Journal of Applied Physics,
Vol. 61,
No. SK,
pp. 1011-1-7,
June 2022.
-
Shanting Hu,
Xiaodong Gu,
Hameeda R. Ibrahim,
Masanori Nakahama,
Satoshi Shinada,
Fumio Koyama.
1060-nm single-mode transverse coupled cavity VCSEL with intra-cavity surface relief for 58-Gbps modulation and 5-km single-mode fiver transmission,
Applied Physics Letters,
120.261110 (2022),
pp. 120.261110-1-6,
June 2022.
-
SHANTING HU,
XIAODONG GU,
AHMED HASSAN,
RUIXIAO LI,
MASANORI NAKAHAMA,
SATOSHI SHINADA,
FUMIO KOYAMA.
Ultra-compact VCSEL scanner for high power solid-state beam steering,
Optics Express,
Optica Publishing Group,
Vol. 30,
No. 6,
pp. 8742-8749 (2022),
Mar. 2022.
-
Ruixiao Li,
Shanting Hu,
Xiaodong Gu,
Fumio Koyama.
Solid-state Slow-light Beam Scanner with Ultra large Field of View and High Resolution,
Journal of Lightwave Technology,
IEEE,
Vol. 40,
No. 6,
pp. 1855-1861,
Mar. 2022.
-
Ruixiao Li,
Shanting Hu,
Xiaodong Gu,
Fumio Koyama.
High-resolution two-dimensional solid-state beam scanner module based on vertical-cavity-surface-emitting laser array,
Applied Physics Express,
IOP Publishing,
Vol. 15,
No. 2,
15, 022011 (2022),
Feb. 2022.
-
LI RUIXIAO,
HU SHANTING,
GU XIAODONG,
FUMIO KOYAMA.
Demonstration of real-time structured-light depth sensing based on a solid-state VCSEL beam scanner,
Optics Express,
Optica Publishing Group,
Vol. 30,
No. 1,
pp. 364-376 (2022),
Jan. 2022.
-
Shanting Hu,
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
Non-mechanical beam scanner based on VCSEL integrated amplifier with resonant wavelength detuning design,
CHINESE OPTICS LETTERS,
Vol. 19,
No. 12,
pp. 121403-1-6,
Dec. 2021.
-
Ruixiao Li,
Shanting Hu,
Xiaodong Gu,
Fumio Koyama.
Compact solid-state vertical-cavity-surface-emitting-laser beam scanning module with ultra-large field of view,
Applied Physics ExpressLETTER,
Vol. 14,
No. 11,
p. 112005-1-5 (2021),
Nov. 2021.
-
Ahmed M. A. Hassan,
Xiaodong Gu,
Masanori Nakahama,
Satoshi Shinada,
Moustafa Ahmed,
Fumio Koyama.
High-power operations of single-mode surface grating long oxide aperture VCSELs,
Applied Physics Letters,
119, 191103-8 (2021),
Nov. 2021.
-
Hameeda R Ibrahim,
Ahmed MA Hassan,
Xiaodong Gu,
Moustafa Ahmed,
Fumio Koyama.
Static and dynamic characteristics of double transverse coupled cavity VCSELs for high speed modulations,
IEICE Electronics Express,
The Institute of Electronics, Information and Communication Engineers,
Vol. 18,
No. 22,
p. 20210419,
Nov. 2021.
-
Ahmed M. A. Hassan,
Xiaodong Gu,
Masanori Nakahama,
Satoshi Shinada,
Moustafa Ahmed,
Fumio Koyama.
High power surface grating slow-light VCSEL,
Appl. Phys. Express,
Vol. 14,
092006,
pp. 1-6,
Aug. 2021.
-
Shanting Hu,
Ahmed Hassan,
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
Surface Grating Loaded VCSEL with Single Mode Power of over 80 mW,
IEICE Electronics Express,
vol. 18,
no. 11,
p. 20210202,
June 2021.
-
Shanting Hu,
Ahmed Hassan,
Xiaodong Gu,
Masanori Nakahama,
Satoshi Shinada,
Fumio Koyama.
Surface grating VCSEL-integrated amplifier/beam scanner with high power and single mode operation,
Applied Physics Express,
Vol. 14,
No. 6,
p. 062005_1-5,
May 2021.
-
S. Hu,
M. Takanohashi,
X. Gu,
A. Matsutani,
F. Koyama.
Lateral Integration of VCSEL and Amplifier with Resonant Wavelength Detuning Design,
IEICE Electronics Express,
vol. 17,
Issue 2,
pp. 20190688,
Jan. 2020.
-
Masanori Nakahama,
Xiaodong Gu,
Takahiro Sakaguchi,
Akihiro Matsutani,
Moustafa Ahmed,
Ahmed Bakry,
Fumio Koyama.
Sub-gigahertz beam switching of vertical-cavity surface-emitting laser with transverse coupled cavity,
Applied Physics Letters,
Vol. 107,
No. 7,
pp. 071105-1-4,
Aug. 2015.
-
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Moustafa Ahmed,
Ahmed Bakry,
Fumio Koyama.
850nm transverse-coupled-cavity vertical-cavity surface-emitting laser with direct modulation bandwidth of over 30GHz,
Applied Physics Express,
vol. 8,
no. 8,
pp. 82702-1-4,
July 2015.
-
Xiaodong Gu,
Kenya Suzuki,
Yuichiro Ikuma,
Kazunori Seno,
Hiromasa Tanobe,
Akihiro Matsutani,
Fumio Koyama.
Compact Wavelength Selective Switch Using a Bragg Reflector Waveguide Array with Ultra-Large Number (>100) of Output-Ports,
Journal of Lightwave Technology,
vol. 33,
no. 7,
pp. 1358-1364,
Apr. 2015.
-
Xiaodong Gu,
Ayako Suzuki,
Akihiro Matsutani,
Fumio Koyama.
20μm long slow-light Bragg reflector waveguide modulator with over 20GHz modulation bandwidth,
Applied Physics Express(APEX),
vol. 7,
no. 11,
pp. 114101-1-4,
Oct. 2014.
-
Shota Mochizuki,
Xiaodong Gu,
Kenji Tanabe,
Akihiro Matsutani,
Moustafa Ahmed,
Ahmed Bakry,
Fumio Koyama.
Generation of vortex beam using Bragg reflector waveguide,
Applied Physics Express(APEX),
vol. 7,
no. 2,
pp. 022502-1-3,
Jan. 2014.
-
Xiaodong Gu,
Masanori Nakahama,
Moustafa Ahmed,
Ahmed Bakry,
Fumio Koyama.
Beam-steering in hollow ZrO2/SiO2 distributed Bragg reflector waveguides for one-dimensional RGB imaging,
Japanese Journal of Applied Physics,
Vol. 53,
No. 3,
pp. 030302-1-3,
Jan. 2014.
-
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Low polarization dependent beam deflector based on Bragg reflector waveguide for C-band wavelength demultiplexing,
J.Appl.Phys,
vol. 114,
no. 16,
163106-1-4,
Oct. 2013.
-
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
35-μm Bragg Reflector Waveguide Modulator for High-Speed and Energy-Saving Operation,
IEEE Photonics Technology Letters,
Vol. 25,
no. 18,
pp. 1766-1769,
Sept. 2013.
-
Fumio Koyama,
Xiaodong Gu.
Beam Steering, Beam Shaping, and Intensity Modulation Based on VCSEL Photonics,
IEEE JOURNAL OF SELECTED TOPICS ON QUANTUM ELECTRONICS,
vol. 19,
no. 4,
July 2013.
-
Xiaodong Gu,
Syouki Shimizu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Low-voltage electro-absorption optical modulator based on slow-light Bragg reflector waveguide,
Appl. Phys. Lett.,
102,
2013,
031118-1-4,
Jan. 2013.
-
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Ultra-high channel-count wavelength demultiplexer based on a Bragg reflector waveguide with large angular dispersion,
OPTICS EXPRESS,
vol. 20,
no. 26,
B331-338,
Dec. 2012.
-
X. Gu,
T. Shimada,
A. Matsutani,
F. Koyama.
Miniature Non-mechanical Beam Deflector Based on Bragg Reflector Waveguide with a Number of Resolution-points Larger than 1,000,
IEEE Photon. J,
Vol. 4,
No. 5,
pp. 1712-1719,
Oct. 2012.
-
Masanori Nakahama,
Xiaodong Gu,
Toshikazu Shimada,
Fumio Koyama.
On-Chip High-Resolution Beam Scanner Based on Bragg Reflector Slow-Light Waveguide Amplifier and Tunable MEMS VCSEL,
Jpn. J. Appl. Phys.,
vol. 51,
no. 4,
pp. 040208-1-3,
Mar. 2012.
-
Xiaodong Gu,
Toshikazu Shimada,
Ayumi Fuchida,
Akihiro Matsutani,
Akihiro Imamura,
Fumio Koyama.
Ultra-compact beam-steering device based on Bragg reflector waveguide amplifier with number of resolution points over 100,
Electron. Lett.,
vol. 48,
no. 6,
pp. 336-337,
Mar. 2012.
-
Xiaodong Gu,
Toshikazu Shimada,
Ayumi Fuchida,
Akihiro Matsutani,
Akihiro Imamura,
Fumio Koyama.
Electro-Thermal Beam Steering Using Bragg Reflector Waveguide Amplifier,
Jpn. J. Appl. Phys.,
vol. 51,
no. 2012,
pp. 20206-1-3,
Jan. 2012.
-
Xiaodong Gu,
Toshikazu Shimada,
Fumio Koyama.
Giant and high-resolution beam steering using slow-light waveguide amplifier,
Optics Express,
Vol. 19,
No. 23,
22675~22683,
Nov. 2011.
-
Xiaodong Gu,
Toshikazu Shimada,
Ayumi Fuchida,
Akihiro Matsutani,
Akihiro Imamura,
Fumio Koyama.
Beam steering in GalnAs/GaAs slow-light Bragg reflector waveguide amplifier,
Appl. Phys. Lett.,
vol. 99,
no. 21,
pp. 211107-1-3,
Nov. 2011.
-
Xiaodong Gu,
Akihiro Imamura,
Fumio Koyama.
Wavelength Trimming of Vertical-Cavity Surface-Emitting Lasers with High-Contrast Subwavelength Grating,
Jpn. J. Appl. Phys.,
vol. 50,
100207-1~3,
Oct. 2011.
International Conference (Reviewed)
-
Chang Ge,
Liang Dong,
Xiaodong Gu,
Fumio Koyama.
Uncooled Operations of 100Gbps 1060nm Single-mode Metalaperture VCSEL for Standard SMF Transmission,
ECOC2023,
ThB4.3,
Oct. 2023.
-
Satoshi Shimizu,
Chang Ge,
Liang Dong,
Xiaodong Gu,
Atsushi Matsumoto,
Satoshi Shinada,
Fumio Koyama.
Record High-baud-rate 128-Gbit/s NRZ-OOK Direct Modulation of 1060-nm Single-mode VCSEL for Transmission,
The OptoElectronics and Communications Conference 2023,
OECC2023-0526-7,
July 2023.
-
Chang Ge,
Liang Dong,
Xiaodong Gu,
Fumio Koyama.
1060nm Single-mode Intra-cavity Metal- 1060nm Single-mode Intra-cavity Metal aperture VCSEL for over 2km Standard 1300nm SMF aperture VCSEL for over 2km Standard 1300nm SMF Transmission,
CLEO/Europe-EQEC 2023,
STh4Q.2,
May 2023.
-
Yikai Song,
Ruixiao Li,
Gu Xiaodong,
Fumio KOYAMA.
Beam-curvature-compensation of Solid-state VCSEL Beam Scanner using Curved Prism Mirror,
28th International Semiconductor Laser Conference, ISLC2022,
TuB-06,
Oct. 2022.
-
Shanting HU,
Xiaodong Gu,
Hameeda R Ibrahim,
Fumio Koyama.
5-km Single-mode Fiber Data Transmission with 1060nm Single-mode Intra-cavity Surface Relief Transverse Coupled Cavity VCSELs,
28th IEEE International Semiconductor Laser Conference(ISLC2022),
TuC-01,
Oct. 2022.
-
Shunsuke Kanja,
Shanting Hu,
Xiaodong Gu,
Fumio Koyama.
Expanding Field of View of Solid-state VCSEL Beam Scanner with Multi-wavelength Seed VCSELs,
28th International Semiconductor Laser Conference, ISLC2022,
TuB-04,
Oct. 2022.
-
Liang Dong,
Xiaodong Gu,
Fumio Koyama.
1060nm Single-mode Bottom Emitting VCSEL Array with Intra-cavity Metal-aperture for Multi-core Fiber Co-packaged Optics Transceivers,
54th International Conference on Solid State Devices and Materials(SSDM),
Extended Abstracts of the 2022 International Conference on Solid State Devices and Materials, Makuhari,
The Japan Society of Applied Physics,
A-6-01,
pp. 31-32,
Sept. 2022.
-
Ruixiao Li,
Shanting Hu,
Xiaodong Gu,
Satoshi Shinada,
Fumio Koyama.
Electrically-Driven 2D Multi-Beam Steering With Large Field of View by Using VCSEL Scanner Array,
CLEO 2022,
STu5E.7 (2022),
May 2022.
-
Hameeda R Ibrahim,
Xiaodong Gu,
Ahmed M. A. Hassan,
Satoshi Shinada,
Moustafa Ahmed,
Fumio Koyama.
Single-Mode 1060nm Bottom Emitting Metal Aperture VCSEL Array for Co-Packaged Optics,
CLEO 2022,
STu5E.6 (2022),
May 2022.
-
Shanting Hu,
Xiaodong Gu,
Hameeda R Ibrahim,
Masanori Nakahama,
Satoshi Shinada,
Fumio Koyama.
1060nm Single-mode Transverse Coupled Cavity VCSEL with Surface Relief Engineering for 80Gbps PAM4 Modulation,
Optical Fiber Communication Conference 2022,
M3D.3 (2022),
Mar. 2022.
-
Liang Dong,
Xiaodong Gu,
Mikito Yoshiki,
Fumio Koyama.
Densely Integrated 1060nm 2D VCSEL Array for Space-division Multiplexing Toward Co-packaging Optics Transceivers,
10th IEEE CPMT Symposium Japan, ICSJ2021,
Nov. 2021.
-
Hameeda R Ibrahim,
Ahmed M. A. Hassan,
Xiaodong Gu,
Satoshi Shinada,
Moustafa Ahmed,
Fumio Koyama.
Low power consumption 1060 nm single-mode intracavity metal aperture VCSEL with transverse resonance,
27th International Semiconductor Laser Conference,
Oct. 2021.
-
Shanting Hu,
Xiaodong Gu,
Ahmed Hassan,
Masanori Nakahama,
Satoshi Shinada,
Fumio Koyama.
Surface Grating Loaded VCSEL-integrated Amplifier/Beam Scanner with Single Mode Output Power of over 3W and Scan Resolution of over 200,
27th International Semiconductor Laser Conference, ISLC2021,
WP2.2 (oral) Fig. 1 (a) Schematic structure, (b) Top view of a fabricated device; (c),
WP2.2 (oral),
Oct. 2021.
-
Ahmed Hassan,
Xiaodong Gu,
Masanori Nakahama,
Satoshi Shinada,
Mostafa Ahmed,
Fumio Koyama.
4 W Single-Mode Operation of Surface Grating VCSELs,
2021 IEEE Photonics Conference,
Oct. 2021.
-
Ruixiao Li,
Xiaodong Gu,
Satoshi Shinada,
Fumio Koyama.
Ultra-compact VCSEL beam scanner with large field of view and its 2D beam scanning function,
27th International Semiconductor Laser Conference,
Oct. 2021.
-
H. R Ibrahim,
Ahmed M. A. Hassan,
Xiaodong Gu,
Satoshi Shinada,
M. Ahmed,
F. Koyama.
1060nm Single-mode Metal-aperture VCSEL Array with Transverse Resonance and Low Power Consumption below 50 fJ/bit,
2021 European Conference on Optical Communication,
Tu3D.5,
Sept. 2021.
-
Xiaodong Gu,
Satoshi Shinada,
Fumio Koyama.
Compact 1D/2D VCSEL Beam Scanner with Enhanced Field of View and High Resolution,
2021 European Conference on Optical Communication,
Th1D.3,
Sept. 2021.
-
L. Dong,
X. Gu,
F. Koyama.
Thermal crosstalk evaluation of 1.1 μm-band vertical cavity surface emitting laser array for multi core fiber transmission,
26th MICROOPTICS CONFERENCE,
PO-34,
Sept. 2021.
-
K. Tanahashi,
I. Fujioka,
S. Hu,
X. Gu,
F. Koyama.
Real-time LiDAR system using VCSEL-integrated amplifier/beam scanner,
26th MICROOPTICS CONFERENCE,
B-2,
Sept. 2021.
-
Hameeda R Ibrahim,
Ahmed Hassan,
Xiaodong Gu,
Satoshi Shinada,
Moustafa Ahmed,
Fumio Koyama.
1060nm single-mode metal aperture VCSEL array with transverse resonance for 5km single-mode fiber transmission,
Optical Fiber Communication Conference 2021 (OFC2021 Vertual),
Tu5C.1,
June 2021.
-
Shanting Hu,
Xiaodong Gu,
Ahmed Hassan,
Masanori Nakahama,
Satoshi Shinad,
Fumio Koyama.
Steering of VCSEL-Integrated Amplifier/Beam Scanner,
Optical Fiber Communication Conference 2021(OFC2021 Virtual),
M5A.3,
June 2021.
-
Shanting Hu,
Xiaodong Gu,
Ahmed Hassan,
Masanori Nakahama,
Satoshi Shinad,
Fumio Koyama.
Record High PowerSingle-mode Operation and Beam Steering ofVCSEL-lntegrated Amplifier/Beam Scanner,
Optical Fiber Communication Conference,
M5A.3,
June 2021.
-
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
Satoshi Shinada,
Fumio Koyama.
Solid-state VCSEL beam scanner with ultra-large field of view and high resolution,
Optical Fiber Communication Conference 2021(OFC2021 Virtual),
W1D.3,
June 2021.
-
H. R Ibrahim,
A. Hassan,
M. Ahmed,
X. Gu,
F. Koyama.
50Gbps Single Mode 1060nm Intracavity Metal Aperture VCSEL With Transverse Resonance,
Conference on Lasers and Electro-Optics(CLEO 2021 Virtual),
SF2F.6,
May 2021.
-
Ahmed M.A Hassan,
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama,
Satoshi Shinada,
Moustafa Ahmed.
High power and high beam quality surface grating VCSEL,
Conference on Lasers and Electro-Optics(CLEO2021 virtual),
STh1G.5,
May 2021.
-
Shanting Hu,
Xiaodong Gu,
Ahmed Hassan,
Masanori Nakahama,
Fumio Koyama.
Surface Grating VCSEL-Integrated Amplifier/Beam Scanner with High Power and Single Mode Operation,
Conference on Lasers and Electro-Optics (CLEO2021),
SM1H.8,
May 2021.
-
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Enhanced-Field-of-View Solid-State VCSEL Beam Scannerwith Lateral Resolution Points of More than 1200,
The 46th European Conference on Optical Communication,
Dec. 2020.
-
Ibuki Fujioka,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Solid state LiDAR with sensing distance of over 40m using a VCSEL beam scanner,
2020 Conference on Lasers and Electro-Optics,
SM2M.4,
May 2020.
-
Shanting Hu,
Masashi Takanohashi,
Xiaodong Gu,
Keisuke Shimura,
Fumio Koyama.
Solid-state beam scanner based on VCSEL integrated amplifier with scan resolution of over 200,
2020 Conference on Lasers and Electro-Optics,
SM2M.2,
May 2020.
-
Ruixiao Li,
Masashi Takanohashi,
Shanting Hu,
Xiaodong Gu,
Koyama Fumio.
Real-time structured-light depth sensing based on ultra-compact, non-mechanical VCSEL beam scanner,
2020 Optical Fiber Communications Conference and Exhibition,
Mar. 2020.
-
Hiroki OTA,
Toshihiro ASAHI,
Gu XIAODONG,
T. Sakaguchi,
F. Koyama.
Integrated devices of MEMS VCSEL and DBR beam deflector,
24th MICROOPTICS CONFERENCE,
E-4,
Nov. 2019.
-
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Wide-range Structured-Light Sensing Based on Non-mechanical VCSEL Beam Scanner,
24th MICROOPTICS CONFERENCE,
Nov. 2019.
-
Ibuki Fujioka,
Li Ruixiao,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Time of flight 3D imaging using VCSEL beam scanner,
24th MICROOPTICS CONFERENCE,
E-3,
Nov. 2019.
-
Li Ruixiao,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Structured-Light Sensor Based on Non-mechanical VCSEL Beam Scanner,
International Nano-Optoelectronics Workshop,
July 2019.
-
Shanting Hu,
Masashi Takanohashi,
Xiaodong Gu,
Masanori Nakahama,
FUMIO KOYAMA.
Amplifier Integrated VCSEL with Wavelength Detuning Design,
International Nano-Optoelectronics Workshop,
July 2019.
-
Shanting Hu,
Masashi Takanohashi,
Xiaodong Gu,
Keisuke Shimura,
Fumio Koyama.
Lateral Integration of VCSEL and Amplifier with Resonant Wavelength Detuning Design,
Conference on Lasers and Electro-Optics 2019,
SM4N.3,
May 2019.
-
Mizuki Morinaga,
Xiaodong Gu,
Keisuke Shimura,
Akihiro Matsutani,
Fumio Koyama.
Compact Dot Projector based on Folded Path VCSEL Amplifier for Structured Light Sensing,
Conference on Lasers and Electro-Optics 2019,
SM4N.4,
May 2019.
-
Keisuke Kondo,
Xiaodong Gu,
Zeuku Ho,
Akihiro Matsutani,
Fumio Koyama.
Two-Dimensional Beam Steering Device Based on VCSEL Slow-Light Waveguide Array with Amplifier Function,
Optical Fiber Communication Conference and Exhibition 2019,
M4E.4,
Mar. 2019.
-
Ryosuke Togashi,
Xiaodong Gu,
Takahiro Sakaguchi,
Fumio Koyama.
Full C-band Wavelength Demultiplexer with Optical Gain for Use in Wavelength Selective Switch,
Optical Fiber Communication Conference and Exhibition 2019,
W3A.5,
Mar. 2019.
-
J. Hayakawa,
A. Murakami,
D. Tominaga,
Y. Suzuki,
.Z. Ho,
X. Gu,
F. Koyama.
Watt-class high-power and high-beam-quality VCSEL amplifiers,
SPIE Photonics West,
Feb. 2019.
-
Fumio Koyama,
Xiaodong Gu.
High-speed VCSEL photonics for optical interconnects,
SPIE. PHOTONICS WEST,
10924-25,
Feb. 2019.
-
Xiaodong Gu,
Ryosuke Togashi,
Takahiro Sakaguchi,
Akihiro Matsutani,
Fumio Koyama.
First Demonstration of C-band Wavelength Demultiplexer Based on a Bragg Reflector Waveguide Amplifier Using InP Material,
Asia Communications and Photonics Conference 2018,
Su4F.3,
Oct. 2018.
-
Zeuku Ho,
Keisuke Shimura,
Keisuke Kondo,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
High Resolution Active Beam Scanner Based on VCSEL Amplifier,
31st Annual Conference of the IEEE Photonics Society,
MC2.2,
pp. 67-68,
Oct. 2018.
-
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
FUMIO KOYAMA.
Structured-Light Sensor Based on Non-mechanical VCSEL beam scanner,
23rd Microoptics Conference,
E-3,
Oct. 2018.
-
Mizuki Morinaga,
Xiaodong Gu,
Keisuke Shimura,
Masanori Nakahama,
Akihiro Matsutani,
Fumio Koyama.
VCSEL Amplifier Dot Projector with Folded-Path Slow-light Waveguide for 3D Depth Sensing,
2018 International Semiconductor Laser Conference,
TuC4,
pp. 95-96,
Sept. 2018.
-
Zeuku Ho,
Junichiro Hayakawa,
Keisuke Shimura,
Keisuke Kondo,
Xiaodong Gu,
Akihiro Matsutani,
Akemi Murakami,
Fumio Koyama.
High Power and High Beam Quality VCSEL Amplifier,
2018 International Semiconductor Laser Conference,
WC3,
pp. 229-230,
Sept. 2018.
-
Shanting Hu,
Masashi Takanohashi,
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
Lateral Integration of VCSEL and Amplifier with Dielectric DBR and Wavelength Detuning Design for Unidirectional Coupling,
International Nano-Optoelectronics Workshop 2018, iNOW2018,
pp. 102-103,
July 2018.
-
Keisuke Shimura,
Masashi Takanohashi,
Zeuku Ho,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Fumio Koyama.
Non-Mechanical Beam Scanner Integrated with Wavelength Detuned VCSEL for LiDAR Applications,
International Nano-Optoelectronics Workshop 2018, iNOW2018,
pp. 140-141,
July 2018.
-
Keisuke Kondo,
Xiaodong Gu,
Zeuku Ho,
Akihiro Matsutani,
Fumio Koyama.
Two-Dimensional Beam Steering Using Slow-Light Waveguide Deflector Array with Optical Gain,
Conference on Lasers and Electro-Optics 2018,
SM31.4,
May 2018.
-
Mizuki Morinaga,
Xiaodong Gu,
Keisuke Shimura,
Masanori Nakahama,
Fumio Koyama.
VCSEL Amplifier with High Power and Narrow Divergence Applying a Folded Waveguide Layout,
Conference on Lasers and Electro-Optics 2018,
JTu2A.11,
May 2018.
-
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
Active Bragg Reflector Waveguide Demultiplexer Array with Over 100 Wavelength Channels and Optical Gain for Large Port-count WSS,
Optical Fiber Communication Conference 2018,
Tu2E.3,
Mar. 2018.
-
Keisuke Shimura,
Zeuku Ho,
Masanori Nakahama,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Non-mechanical Beam Scanner Integrated VCSEL For Solid State LiDAR,
The 12th Conference on Lasers and Electro-Optics Pacific Rim,
2-2G-3,
Aug. 2017.
-
Zeuku Ho,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Fumio Koyama.
High-resolution Beam Steering Of Slow Light VCSEL Amplifier,
The 12th Conference on Lasers and Electro-Optics Pacific Rim,
2-1G-5,
Aug. 2017.
-
Zeuku Ho,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
FUMIO KOYAMA.
VCSEL Optical Amplifier for High Power Operations,
The 24th General Congress of the International Commission for Optics,
Tu1J-08,
Aug. 2017.
-
Shanting Hu,
Xiaodong Gu,
Akihiro Matsutani,
FUMIO KOYAMA.
Electro-absorption Modulator Integrated with Transverse Coupled Cavity VCSELs,
The 24th General Congress of the International Commission for Optics,
Tu1J-05,
Aug. 2017.
-
keisuke Kondo,
Tomoki Tatebe,
Xiaodong Gu,
Fumio Koyama,
Toshihiko Baba.
Photonic Crystal Slow-Light Beam Steering Device With Surface Diffraction Grating,
The 24th General Congress of the International Commission for Optics,
Tu2K-02,
Aug. 2017.
-
Kondo, T.,
Hayakawa, J.,
Jogan, N.,
Murakami, A.,
Sakurai, J.,
Xiaodong Gu,
Koyama, F..
VCSELs for optical communications at Fuji Xerox,
Proceedings of SPIE - The International Society for Optical Engineering,
Vol. 10122,
2017.
-
Masanori Nakahama,
Xiaodong Gu,
Akihiro Matsutani,
Takahiro Sakaguchi,
Fumio Koyama.
VCSEL-Based High Resolution Wavelength Demultiplexer with Large Optical Gain,
25th International Semiconductor Laser Conference, ISLC 2016,
TuD5,
Sept. 2016.
-
Takashi Kondo,
Junichiro Hayakawa,
Naoki Jogan,
Akemi Murakami,
Jun Sakurai,
Xiaodong Gu,
FUMIO KOYAMA.
Temperature Dependence of Small Signal Response of 850 nm Transverse-Coupled-,
25th International Semiconductor Laser Conference, ISLC 2016,
TuD3,
Sept. 2016.
-
Naoki Jogan,
Junichiro Hayakawa,
Takashi Kondo,
Akemi Murakami,
Jun Sakurai,
Xiaodong Gu,
FUMIO KOYAMA.
Temperature Characteristics of Photo Detector Integrated Transverse-Coupled-Cavity VCSELs,
25th International Semiconductor Laser Conference, ISLC 2016,
WE9,
Sept. 2016.
-
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Fumio Koyama.
VCSEL-Integrated Bragg Reflector Waveguide Amplifier with Single-mode Output Power over 10 mW,
21st. Optoelectronics and Communications Conference (OECC/PS2016),
MD2-4,
July 2016.
-
Masanori Nakahama,
Xiaodong Gu,
Akihiro Matsutan,
Takahiro Sakaguchi,
Fumio Koyama.
Slow Light VCSEL Amplifier for High-resolution Beam Steering and High-power Operations,
Conference on Lasers and Electro-Optics 2016 (CLEO2016),
SF1L.5,
June 2016.
-
Shanting Hu,
Xiaodong Gu,
Fumio Koyama.
Low chirp operation of transverse-coupled-cavity VCSELs,
Conference on Lasers and Electro-Optics 2016 (CLEO2016),
SF1L.4,
June 2016.
-
Kondo, T.,
Takeda, K.,
Otoma, H.,
Murakami, A.,
Sakurai, J.,
Nakayama, H.,
Xiaodong Gu,
Koyama, F..
Developments of VCSELs for printers and optical communications at Fuji Xerox,
Proceedings of SPIE - The International Society for Optical Engineering,
Vol. 9766,
2016.
-
Masanori Nakahama,
Xiaodong Gu,
Takahiro Sakaguchi,
Akihiro Matsutani,
Fumio Koyama.
Sub-gigahertz beam switching with transverse-mode coupled cavity VCSELs,
20th Microoptics Conference 2015,
J2,
pp. 280-281,
Oct. 2015.
-
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Fumio Koyama.
Over 30 GHz Modulation of 850 nm Transverse Coupled Cavity Vertical-Cavity Surface-Emitting Laser,
41st European Conference and Exhibition on Optical Communication, ECOC 2015,
ID: 0803,
Sept. 2015.
-
Kenji Tanabe,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Vortex Beam Emitter Laterally Integrated with Vertical Cavity Surface Emitting Laser,
The 11th Conference on Lasers and Electro-Optics Rim,
27J2-5,
Aug. 2015.
-
Xiaodong Gu,
Fumio Koyama.
60-channel Wavelength Selective Switch on Bragg Reflector Waveguides Array with 182 Output-ports,
International Nano-Optoelectronics Workshop,
ThP20,
pp. 157-158,
Aug. 2015.
-
Masanori Nakahama,
Xiaodong Gu,
Takahiro Sakaguchi,
Akihiro Matsutani,
Fumio Koyama.
Transverse-mode Coupled cavity VCSELs with High Speed Beam Switching,
International Nano-Optoelectronics Workshop,
ThP1,
pp. 119-120,
Aug. 2015.
-
Kenji Tanabe,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Compact Vortex Beam Emitter Laterally Integrated with VCSEL Array,
Conference on Lasers and Electro-Optics 2015, CLEO2015,
SW1F.2,
May 2015.
-
Xiaodong Gu,
Kenya Suzuki,
Yuichiro Ikuma,
Akihiro Matsutani,
Fumio Koyama.
Improvement in Crosstalk of 200-Port Bragg Reflector Waveguides Array-based Wavelength Selective Switch,
IEEE Photonics Conference, IPC2014,
MB2.4,
pp. 34-35,
Oct. 2014.
-
Xiaodong Gu,
Kazunori Seno,
Hiromasa Tanobe,
Fumio Koyama.
60-channel Wavelength Selective Switch on Bragg Reflector Waveguides Array with 125 Output-ports,
European Conference on Optical Communications, ECOC 2014,
We.3.5.3,
pp. 1-3,
Sept. 2014.
-
Xiaodong Gu,
Ayako Suzuki,
Hamed Dalir,
Akihiro Matsutani,
Fumio Koyama.
Large Enhancement in Modulation Bandwidth of Low-Voltage Slow Light Bragg Reflector Waveguide Modulator,
OECC 2014,
OECC 2014,
pp. 170-171,
July 2014.
-
Xiaodong Gu,
Fumio Koyama.
Compact Wavelength Selective Switch Based on High-density Bragg Reflector Waveguide Array with 120 Output Ports,
Optical Fiber Communications Conference and Exhibition 2014,OFC 2014,
Th3F.1,
pp. 1-3,
Mar. 2014.
-
Xiaodong Gu,
Fumio Koyama.
Output beam profile control of slow-light Bragg reflector waveguide deflector with high-contrast sub-wavelength grating,
Photonics West 2014,
pp. 8995-28,
Feb. 2014.
-
Masanori Nakahama,
Xiaodong Gu,
Hirokazu Sumimoto,
Fumio Koyama.
Beam-steering in Hollow Distributed Bragg Reflector Waveguides for RGB Imaging,
The 20th international display workshops,
PRJ2-4,
Dec. 2013.
-
Xiaodong Gu,
Kazunori Seno,
Hiromasa Tanobe,
Fumio Koyama.
Wavelength selective switch with high angular dispersion element based on Bragg reflector waveguide,
18th Microoptics Conference ,MOC'13,
F2,
Oct. 2013.
-
Xiaodong Gu,
Syoki Shimizu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
High-speed and low-voltage operation of compact Bragg reflector waveguide modulator,
18th Microoptics Conference (MOC’13),
C2,
Oct. 2013.
-
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Super-high Resolution Beam Steering Using Bragg Reflector Waveguides,
2013 International Nano-Optoelectronics Workshop, iNOW2013,
Aug. 2013.
-
Fumio Koyama,
Xiaodong Gu.
Super-high Resolution Optical Beam Steering Based on Bragg Reflector Waveguides,
2013 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR,
MK2-3,
July 2013.
-
Xiaodong Gu,
Syouki Shimizu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Sub-1V and Sub-100μm Electro-absorption Modulator Based on Bragg Reflector Waveguide,
2013 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR,
WK2-4,
July 2013.
-
Xiaodong Gu,
Kensuke Nakamura,
Akihiro Matsutani,
Fumio Koyama.
Miniature Bragg Reflector Waveguide Beam Deflector for Full C-band Wavelength Demultiplexing with Low Polarization Dependence and High Resolution,
CLEO 2013,
CTh4L.4,
June 2013.
-
Shota Mochizuki,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Creation of Vortex Beam based on Integrated Ring-shape Bragg Reflector Waveguide,
CLEO 2013,
June 2013.
-
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
Beam-steering in Hollow ZrO2/SiO2 DBR Waveguides for 1D RGB Imagin,
The 2nd Laser Display Conference,
Apr. 2013.
-
*Fumio Koyama,
Xiaodong Gu.
Super-high resolution beam steering based on Bragg reflector waveguides with high- contrast metastructures,
Vertical-Cavity Surface-Emitting Lasers XVII,
8633-14,
Feb. 2013.
-
Syouki Shimizu,
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Modeling and Experiment on Low Voltage Slow-Light Electro-absorption Modulators for High-speed and Low Power Consumption Optical Interconnect,
IEEE CPMT Symposium Japan, ICSJ2012,
9-3,
Dec. 2012.
-
Xiaodong Gu,
Toshikazu Shimada,
Satoshi Shimizu,
Akihiro Matsutani,
Fumio Koyama.
Compact Bragg Reflector Waveguide Modulator Based on VCSEL Structure with Low Driving Voltage below 0.5 V,
23rd IEEE International Semiconductor Laser Conference, ISLC2012,
TuP26,
Oct. 2012.
-
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
High-resolution Wavelength Demultiplexer Based on a Bragg Reflector Waveguide Amplifier with Large Angular Dispersion,
38th European Conference and Exhibition on Optical Communication, ECOC2012,
Mo.2.E.4,
Sept. 2012.
-
Masanori Nakahama,
Xiaodong Gu,
Toshikazu Shimada,
Hayato Sano,
Akihiro Matsutani,
Fumio Koyama.
Lateral Integration of MEMS VCSEL and Slow Light Amplifier for High Single-mode Output Power,
2012 International Nano-Optoelectronics Workshop, iNOW 2012,
1-P9,
Aug. 2012.
-
Xiaodong Gu,
Toshikazu Shimada,
Ayumi Fuchida,
Akihiro Matsutani,
Akihiro Imamura,
Fumio Koyama.
Thermal and Electrical Beam Steering on a GaInAs/GaAs Slow-light Bragg Waveguide Amplifier,
Conference on Lasers and Electro-Optics 2012, CLEO 2012,
JW2A.90,
May 2012.
-
Masanori Nakahama,
Xiaodong Gu,
Toshikazu Shimada,
Fumio Koyama.
Monolithic Beam Steering Device employing Slow-light Waveguide and Tunable MEMS VCSEL,
Conference on Lasers and Electro-Optics 2012, CLEO 2012,
JW2A.94,
May 2012.
-
Xiaodong Gu,
Toshikazu Shimada,
Ayumi Fuchida,
Akihiro Imamura,
Akihiro Matsutani,
Fumio Koyama.
EXPERIMENTAL DEMONSTRATION OF BEAM-STEERING BASED ON SLOW-LIGHT WAVEGUIDE AMPLIFIER,
17th Microoptics Conference, MOC'11,
C-3,
Oct. 2011.
-
Xiaodong Gu,
Toshikazu Shimada,
Fumio Koyama.
Giant and High-resolution Beam-steering from Slow Light Amplifier with Bragg Reflector Waveguide,
IQEC/CLEO Pacific Rim 2011,
834,
pp. 336-338,
Aug. 2011.
-
Akihiro Imamura,
Weijian Yang,
James Ferrara,
Yuuki Hasidume,
Xiaodong Gu,
Fumio Koyama,
Connie J. Chang-Hasnain.
Spatial Mode Demultiplexer Based on High Contrast Sub-Wavelength Grating Hollow Waveguide,
The 16th Opto-Electronics And Communications Conference, OECC2011,
6E1_4,
July 2011.
-
Xiaodong Gu,
Toshikazu Shimada,
Fumio Koyama.
Proposal of Beam Steering on Slow-light Waveguide Amplifier,
The 16th Opto-Electronics And Communications Conference, OECC2011,
6D2_4,
July 2011.
-
Xiaodong Gu,
Akihiro Imamura,
Fumio Koyama.
Grating Trimming of VCSEL with High Contrast sub-wavelength Grating,
16th MicroOptics Conference, MOC2010,
TB5,
Oct. 2010.
Domestic Conference (Reviewed)
-
今村 明博,
Yang Weijian,
Xiaodong Gu,
小山 二三夫,
Chang-Hasnain Connie J..
C-3-17 HCG中空光導波路による空間モード分波器(導波路デバイス(I),C-3.光エレクトロニクス,一般セッション),
電子情報通信学会ソサイエティ大会講演論文集,
一般社団法人電子情報通信学会,
Vol. 2011,
No. 1,
pp. 139,
Aug. 2011.
Domestic Conference (Not reviewed / Unknown)
-
Babu Dayal Padullaparthi,
Chang Ge,
Liang Dong,
Xiaodong Gu,
Satoshi Shinada,
Fumio Koyama.
Long-reach, 50Gb/s NRZ transmission of uncooled 1060nm single-mode coupled cavity VCSELs,
The 84th JSAP Autumn Meeting 2023,
23a-A308-8,
Sept. 2023.
-
Boxuan Zhang,
Fumio Koyama,
Xiaodong Gu,
Susumu Kinoshita,
Chang Ge.
Modal Noise Reduction in Data Transmission through Standard Single-Mode-Fiber with 1060nm Single-mode VCSEL and Mode Filter,
2023IEICE General Conference,
2023年電子情報通信学会総合大会 講演論文集,
The Institute of Electronics, Information and Communication Engineers,
C-3/4-60,
Mar. 2023.
-
Chang Ge,
Xiaodong Gu,
Fumio Koyama.
1060nm Single-mode Intra-cavity Metal-aperture VCSEL for over 2km Standard 1300nm SMF Transmission,
The 70th JSAP Spring Meeting 2023,
2023年第70回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
17p-A303-4,
Mar. 2023.
-
Liang Dong,
Xiaodong Gu,
Fumio Koyama.
16-ch 50Gbps 1060-nm Single-mode Bottom-emitting Metal-aperture VCSEL Array through 5km-long SMF,
The 70th JSAP Spring Meeting 2023,
2023年第70回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
17p-A303-2,
Mar. 2023.
-
Chang Ge,
Xiaodong Gu,
Fumio Koyama.
Modeling of Surface Grating-loaded VCSEL for Vertical Emission,
The 83rd JSAP Autumn Meeting 2022,
第83回応用物理学会秋季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
E 22a-C101-11,
Sept. 2022.
-
Liang Dong,
Xiaodong Gu,
Fumio Koyama.
1060nm Single-mode Bottom Emitting VCSEL Array for Multi-core Fiber Co-packaged Optics Transceivers,
The 83rd JSAP Autumn Meeting 2022,
第83回応用物理学会秋季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
E 21a-C301-7,
Sept. 2022.
-
Boxuan Zhang,
Xiaodong Gu,
Susumu Kinoshita,
Fumio Koyama.
Bending-Fiber Mode Filter Evaluation for 1060nm Data Transmission in Conventional Single-Mode Fiber,
2022IEICE Society Conference,
エレクトロニクス講演論文集1,
The Institute of Electronics, Information and Communication Engineers,
C-3/4-59,
Sept. 2022.
-
Shiyunsuke Kanjiya,
Xiaodong Gu,
Fumio Koyama.
Solid-state beam scanner with multi-wavelength slow-light VCSEL array,
The 83rd JSAP Autumn Meeting 2022,
第83回応用物理学会秋季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
奨 22a-C101-6,
Sept. 2022.
-
Shanting Hu,
Xiaodong Gu,
Hameeda R Ibrahim,
Masanori Nakahama,
Fumio Koyama.
1060nm Single-mode Transverse Coupled Cavity VCSEL with Surface Relief Engineering for High-speed Modulation,
The 69th JSAP Spring Meeting 2022,
第69回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
26p-E301-3,
Mar. 2022.
-
Liang Dong,
Xiaodong Gu,
Fumio Koyama.
16-ch 1060nm 2D VCSEL Array for Multi-core Fiber Transmission Toward Co-packaging Optics Transceivers,
The 69th JSAP Spring Meeting 2022,
第69回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
26p-E301-2,
Mar. 2022.
-
Kazuma Tanahashi,
Ibuki Fujioka,
Ahmed Mohamed Ahmed Hassan,
Xiaodong Gu,
Fumio Koyama.
LiDAR system experiment using VCSEL beam scannerV,
The 69th JSAP Spring Meeting 2022,
第69回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
25a-E303-4,
Mar. 2022.
-
Ruixiao Li,
Shanting Hu,
Xiaodong Gu,
Fumio Koyama.
Large-field-of-view and electrically-driven 2D beam steering based on VCSEL scanner array,
The 69th JSAP Spring Meeting 2022,
第69回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
25a-E303-1,
Mar. 2022.
-
Ahmed Mohamed Ahmed Hassan,
X. Gu,
M. Nakahama,
M. Ahmed,
F. Koyama.
Record High Power Single-Mode Operations of Surface Grating VCSELs,
The 82nd JSAP Autumn Meeting, 2021,
第82回応用物理学会秋季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
10a-N405-7,
Sept. 2021.
-
SHANTING HU,
XIAODONG GU,
Ahmed Hassan,
Masanori Nakahama,
Satoshi Shinada,
Fumio Koyama.
Surface Grating Loaded VCSEL-integrated Amplifier/Beam Scanner with Quasi-Single Mode Output Power of over 4W,
2021 IEICE Society Conference,
C-3/4-43,
Sept. 2021.
-
Kazuma Tanahashi,
Ibuki Fujioka,
Shanting Hu,
Ruixiao Li,
Xiaodong Gu,
FUMIO KOYAMA.
LiDAR system experiment using VCSEL beam scannerⅣ,
The 82nd JSAP Autumn Meeting, 2021,
11a-N102-6,
Sept. 2021.
-
Hameeda Ibrahim,
Ahmed Hassan,
Gu Xiaodong,
Satoshi Shinada,
Moustafa Ahmed,
Fumio Koyama.
Record Low Power Consumption 1060nm Single-mode Intracavity Metal Aperture VCSEL with Transverse Resonance,
The 82nd JSAP Autumn Meeting, 2021,
10a-N405-9,
Sept. 2021.
-
Liang Dong,
Xiaodong Gu,
Fumio Koyama.
Thermal Crosstalk Evaluation of Densely Packed 1.1 (マイクロ)m-band VCSEL Array for Multi-core Fiber Transmission,
The 82nd JSAP Autumn Meeting, 2021,
10a-N405-8,
Sept. 2021.
-
Ruixiao Li,
Xiaodong Gu,
Fumio Koyama.
Compact VCSEL beam scanner with large field of view and its 2D scanning function,
The 82nd JSAP Autumn Meeting, 2021,
10a-N405-6,
Sept. 2021.
-
Shiyunsuke Kanjiya,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
Two section tunable surface grating VCSEL,
第68回応用物理学会春季学術講演会 (2021 オンライン開催),
第68回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
19p-Z22-3,
Mar. 2021.
-
Kazuma Tanahashi,
Ibuki Fujioka,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
LiDAR system experiment using VCSEL beam scannerⅢ,
第68回応用物理学会春季学術講演会 (2021 オンライン開催),
第68回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
18a-Z10-9,
Mar. 2021.
-
Keisuke Shimura,
Shiyunsuke Kanjiya,
Zeuku Ho,
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
850nm-band Multi-electrode Tunable Seed-Laser Integrated Beam Scanner,
第68回応用物理学会春季学術講演会 (2021 オンライン開催),
第68回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
18a-Z10-7,
Mar. 2021.
-
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Solid-State Beam Scanner with Large Field of View and Resolution Points of More than 1200,
第68回応用物理学会春季学術講演会 (2021 オンライン開催),
第68回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
18a-Z18-2,
Mar. 2021.
-
Shanting Hu,
Xiaodong Gu,
Ahmed Mohamed Ahmed Hassan,
Masanori Nakahama,
Fumio Koyama.
Surface Grating VCSEL-Integrated Amplifier/Beam Scanner with HighPower and Single Mode Operation,
第68回応用物理学会春季学術講演会 (2021 オンライン開催),
第68回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
18a-Z18-1,
Mar. 2021.
-
Ahmed Mohamed Ahmed Hassan,
Xiaodong Gu,
Masanori Nakahama,
Moustafa Ahmed,
Fumio Koyama.
High power surface grating long aperture VCSEL,
第68回応用物理学会春季学術講演会(2021 オンライン開催),
第68回応用物理学会春季学術講演会 講演予稿集,
The Japan Society of Applied Physics,
19p-Z22-2,
Mar. 2021.
-
Shanting Hu,
Masashi Takanohashi,
Xiaodong Gu,
Keisuke Shimura,
Fumio Koyama.
Solid-state Beam Scanner Based on VCSEL IntegratedAmplifier with Scan Resolution of over 200,
The 67th JSAP Autumn Meeting, 2020,
第67回応用物理学会春季学術講演会 講演予稿集,
15a-B415-6,
Mar. 2020.
-
Hiroki Ota,
Xiaodong Gu,
Takahiro Sakaguchi,
FUMIO KOYAMA.
Integrated devices of MEM VCSEL and VCSEL beam deflector,
The 80th JSAP Autumn Meeting, 2019,
第80回応用物理学会秋季学術講演会 講演予稿集,
20p-E204-7,
Sept. 2019.
-
Masashi Takanohashi,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Takahiro Sakaguchi,
FUMIO KOYAMA.
Lateral coupling integration of VCSEL and beam scanner with controlled cutoffwavelength structure,
The 80th JSAP Autumn Meeting, 2019,
第80回応用物理学会秋季学術講演会 講演予稿集,
20p-E204-6,
Sept. 2019.
-
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Structured-light sensing based on non-mechanical VCSEL beam scanner for expanding the distance range,
The 80th JSAP Autumn Meeting, 2019,
20a-E207-11,
Sept. 2019.
-
Ibuki Fujioka,
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
FUMIO KOYAMA.
LiDAR system experiment using VCSEL beam scannerII,
The 80th JSAP Autumn Meeting, 2019,
第80回応用物理学会秋季学術講演会 講演予稿集,
20a-E207-5,
Sept. 2019.
-
Keisuke Shimura,
Masashi Takanohashi,
Zeuku Ho,
Xiaodong Gu,
Takahiro Sakaguchi,
Akihiro Matsutani,
FUMIO KOYAMA.
980nm-band Beam Scanner Integrated with Heater-driven VCSEL,
The 80th JSAP Autumn Meeting, 2019,
第80回応用物理学会秋季学術講演会 講演予稿集 (2019 北海道大学 札幌キャンパス),
20a-E207-1,
Sept. 2019.
-
Zeuku Ho,
Keisuke Shimura,
Xiaodong Gu,
Akihiro Matsutani,
FUMIO KOYAMA.
Study on Beam Quality Improvement of high Power VCSEL Amplifier,
2019年第66回応用物理学会春季学術講演会,
12p-W611-3,
Mar. 2019.
-
Shanting Hu,
Masashi Takanohashi,
Xiaodong Gu,
Fumio Koyama.
Amplifier Integrated VCSEL with Resonant Wavelength Detuning,
IEICE General Conference 2019,
C-3-32,
Mar. 2019.
-
Ibuki Fujioka,
Mizuki Morinaga,
Ruixiao Li,
Xiaodong Gu,
FUMIO KOYAMA.
Preliminary Experiment on LiDAR system using VCSEL beam scanner,
2019年第66回応用物理学会春季学術講演会,
12p-W611-6,
Mar. 2019.
-
Mizuki Morinaga,
Xiaodong Gu,
Keisuke Shimura,
Akihiro Matsutani,
FUMIO KOYAMA.
Dot Projection based on VCSEL Amplifier for 3D Sensing,
2019年第66回応用物理学会春季学術講演会,
12p-W611-4,
Mar. 2019.
-
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Accuracy Analysis of Structured-Light Sensor Based on Non-mechanical VCSEL Beam Scanner,
The 66th JSAP Spring Meeting, 2019,
9p-W331-2,
Mar. 2019.
-
Ryosuke Togashi,
Xiaodong Gu,
Akihiro Matsutani,
Takahiro Sakaguchi,
Fumio Koyama.
InP VCSEL Demultiplexer with Loss Compensation in Full C-band,
The 66th JSAP Spring Meeting,
12p-W611-8,
03-653,
Mar. 2019.
-
Toshihiro Asahi,
Xiaodong Gu,
Takahiro Sakaguchi,
Fumio Koyama.
Beam deflection characteristics of MEMS VCSEL integrated DBR waveguide scanner,
The 66th JSAP Spring Meeting,
12p-W611-7,
03-652,
Mar. 2019.
-
Masashi Takanohashi,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Takahiro Sakaguchi,
Fumio Koyama.
Lateral coupling integration of VCSEL and VCSEL amplifier with cutoff structure,
The 79th JSAP Spring Meeting,
12p-W611-2,
03-646,
Mar. 2019.
-
Keisuke Shimura,
Masashi Takanohashi,
Zeuku Ho,
Xiaodong Gu,
Masanori Nakahama,
Takahiro Sakaguchi,
Akihiro Matsutani,
Fumio Koyama.
Beam Scanner Integrated Single-mode VCSEL with Cut-off Wavelength Detuning,
The 66th JSAP Spring Meeting,
12p-W611-5,
03-649,
Mar. 2019.
-
Ryosuke Togashi,
Xiaodong Gu,
Akihiro Matsutani,
Takahiro Sakaguchi,
Junichi Shimizu,
FUMIO KOYAMA.
1.5μm band slow light demultiplexer based on InP Bragg reflector waveguide,
IEICE Society Conference 2018,
Sept. 2018.
-
FUMIO KOYAMA,
Xiaodong Gu.
VCSEL Photonics for 3D Sensing: Developments of light sources for solid state LiDAR and face ID,
The 149th Microoptics Meeting,
Microoptics News,
Microoptics Group/The Japan Society of Applied Physics,
Vol. 36,
No. 3,
Page 25,
Sept. 2018.
-
Ruixiao Li,
Zeuku Ho,
Xiaodong Gu,
Fumio Koyama.
Structured-Light Sensor Based on Non-mechanical VCSEL Beam Scanner,
The 79th JSAP Autumn Meeting,,
19a-438-9,
Sept. 2018.
-
Masashi Takanohashi,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Takahiro Sakaguchi,
FUMIO KOYAMA.
High efficient lateral coupling integration of VCSEL and slow-light amplifier,
The 79th JSAP Autumn Meeting,
19a-225B-5,
Sept. 2018.
-
Keisuke Shimura,
Masashi Takanohashi,
Zeuku Ho,
Xiaodong Gu,
Masanori Nakahama,
Takahiro Sakaguchi,
Akihiro Matsutani,
FUMIO KOYAMA.
Beam Scanner Integrated VCSEL with Cut-off Wavelength Detuning,
The 79th JSAP Autumn Meeting,
19a-225B-4,
Sept. 2018.
-
Shanting Hu,
Masashi Takanohashi,
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
Amplifier Integrated VCSEL with Dielectric DBR and Wavelength Detuning Design for Unidirectional Coupling,
IEICE Society Conference 2018,
Sept. 2018.
-
keisuke Kondo,
Xiaodong Gu,
Masanori Nakahama,
Zeuku Ho,
FUMIO KOYAMA.
A Consideration on LiDAR System Using Multi-Layer Slow-Light Waveguide Beam Deflector (II) --- A Demonstration of Two-Dimensional Beam Scanning,
第65回 応用物理学会 春季学術講演会,
18a-B203-9,
Mar. 2018.
-
Toshihiro Asahi,
Xiaodong Gu,
Akihiro Matsutani,
FUMIO KOYAMA.
Active Beam Scanner with Resolution over 100 for use in 3D sensing systems,
第65回 応用物理学会 春季学術講演会,
Mar. 2018.
-
Zeuku Ho,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
FUMIO KOYAMA.
High Power and High Beam Quality Operations of Long VCSEL Amplifier,
第65回 応用物理学会 春季学術講演会,
18a-B203-10,
Mar. 2018.
-
Mizuki Morinaga,
Xiaodong Gu,
Keisuke Shimura,
Masanori Nakahama,
FUMIO KOYAMA.
Dot projection using VCSEL amplifier with folded waveguide layout,
第65回 応用物理学会 春季学術講演会,
Mar. 2018.
-
Keisuke Shimura,
Zeuku Ho,
Xiaodong Gu,
Akihiro Matsutani,
Masanori Nakahama,
FUMIO KOYAMA.
VCSEL-Integrated Beam Steering Device with Unidirectional Coupling,
The 78th JSAP Autumn Meeting,
6p-C14-6,
Sept. 2017.
-
Zeuku Ho,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
FUMIO KOYAMA.
Investigation of Coupling Efficinecy of VCSEL Amplifier,
The 78th JSAP Autumn Meeting,
6p-C14-7,
Sept. 2017.
-
keisuke Kondo,
Xiaodong Gu,
Masanori Nakahama,
Zeuku Ho,
FUMIO KOYAMA.
A Consideration on LiDAR System Using DBR Slow-Light Waveguide Beam Deflector,
The 78th JSAP Autumn Meeting, 2017,
6p-C14-9,
Sept. 2017.
-
Ryosuke Togashi,
Takuma Ikeda,
Xiaodong Gu,
Takahiro Sakaguchi,
FUMIO KOYAMA.
1.5μm band slow light demultiplexer based on InP Bragg reflector waveguide,
The 78th JSAP Autumn Meeting,
6p-C14-11,
Sept. 2017.
-
Toshihiro Asahi,
Shunya Inoue,
Xiaodong Gu,
Masanori Nakahama,
FUMIO KOYAMA.
Deflection Characteristics of Slow-light SOA with MEMS Mirror,
The 78th JSAP Autumn Meeting,,
6p-C14-10,
Sept. 2017.
-
Shanting Hu,
Xiaodong Gu,
Fumio Koyama.
Electro-absorption Modulator Integrated with Transverse Coupled Cavity VCSELs,
The 64rd JSAP Spring Meeting,2017,
15p-422-8,
Mar. 2017.
-
Shun Nishimura,
Xiaodohg Gu,
Masanori Nakahama,
Takahiro Sakaguchi,
Akihiro Matsutani,
Fumio Koyama.
High speed electro-thermal wavelength tuning of 1060nm VCSEL,
第64回応用物理学会春季学術講演会,
15p-422-6,
Mar. 2017.
-
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Zeuku Ho,
Akihiro Matsutani,
Fumio Koyama.
Beam Scanner based on VCSEL/Optical Amplifier Integration,
第64回応用物理学会春季学術講演会,
15p-422-4,
Mar. 2017.
-
Zeuku Ho,
Keisuke Shimura,
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
FUMIO KOYAMA.
Long semiconductor optical amplifier for high output power of VCSEL,
第64回応用物理学会春季学術講演会,
15p-422-3,
Mar. 2017.
-
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
ブラッグ反射鏡導波路を用いた広角・高出力ビームスキャナ,
レーザー学会学術講演会第37回年次大会,
Jan. 2017.
-
Xiaodong Gu,
Zeuku Ho,
Masanori Nakahama,
Akihiro Matsutani,
Fumio Koyama.
High Single-mode Output Power in VCSEL-Integrated Bragg Ref lector Waveguide Amplifier,
The 77th JSAP Autumn Meeting,2016,
14p-P2-2,
pp. 03-166,
Sept. 2016.
-
Masanori Nakahama,
Xiaodong Gu,
Akihiro Matsutani,
Takahiro Sakaguchi,
FUMIO KOYAMA.
Amplification characteristics of VCSEL-Based High Resolution Wavelength Demultiplexer,
The 77th JSAP Autumn Meeting,2016,
16p-A35-6,
pp. 03-469,
Sept. 2016.
-
Hiroyuki Mori,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
2D beam steering by using slow light waveguide arrays,
The 63rd JSAP Spring Meeting2016,
21a-S321-11,
Mar. 2016.
-
Masanori Nakahama,
Xiaodong Gu,
Takahiro Sakaguchi,
Akihiro Matsutani,
Fumio Koyama.
High-power Solid State Beam Scanner based on VCSEL Structure,
The 63rd JSAP Spring Meeting2016,
20a-S321-8,
Mar. 2016.
-
Masanori Nakahama,
Xiaodong Gu,
Takahiro Sakaguchi,
Akihiro Matsutani,
Fumio Koyama.
Amplification characteristics of the slow light SOA for boosting single-mode power of VCSEL,
The 63rd JSAP Spring Meeting2016,
20a-S321-7,
Mar. 2016.
-
Shanting Hu,
Xiaodong Gu,
Fumio Koyama.
Low chirp operations of transverse-coupled-cavity VCSELs,
Proceedings of the 2019 IEICE General Conference,
C-4-20,
Mar. 2016.
-
Xiaodong Gu,
Masanori Nakahama,
Fumio Koyama.
Optical Wavelength Demultiplexer with 15~20dB Gain Based on an Active-type Bragg Reflector Waveguide Deflector,
Proceedings of the 2017 IEICE General Conference,
C-3-11,
Mar. 2016.
-
森裕之,
顧暁冬,
松谷晃宏,
小山二三夫.
Slow light beam splitter and steering device for 2D beam steering,” Proceedings of the 2015 IEICE Society Conference,
Proceedings of the 2015 IEICE Society Conference,
C-3-16,
Sept. 2015.
-
Toshihiro Oyama,
Xiaodong Gu,
Akihiro Matsutani,
Takahiro Sakaguchi,
Fumio Koyama.
1.5μm band Si/SiO2 Bragg reflector waveguide for beam steering / wavelength selective switch,
Proceedings of the 2015 IEICE Society Conference,
C-3-15,
Sept. 2015.
-
Xiaodong Gu,
Masanori Nakahama,
Akihiro Matsutani,
Fumio Koyama.
First Demonstration of 850 nm Transverse Coupled Cavity Vertical Cavity Surface-Emitting Laser,
The 76th JSAP Autumn Meeting 2015,
16a-2E-9,
Sept. 2015.
-
Masanori Nakahama,
Xiaodong Gu,
Takahiro Sakaguchi,
Akihiro Matsutani,
Fumio Koyama.
Transverse-mode coupled cavity VCSELs with high speed beam switching,
The 76th JSAP Autumn Meeting 2015, Nagoya,
16a-2E-8,
Sept. 2015.
-
Kenji Tanabe,
Gu Xiaodong,
Akihiro Matsutani,
Fumio Koyama.
Vortex beam array laterally integrated with VCSEL,
2015 IEICE General Conference,
C-4-10,
Mar. 2015.
-
Hiroyuki Mori,
Xiaodong Gu,
FUMIO KOYAMA.
2D beam steering by using slow light waveguide phased array,
2015年第62回応用物理学会春季学術講演会,
11a-A13-4,
pp. 04-032,
Mar. 2015.
-
Xiaodong Gu,
Fumio Koyama.
Ultra-large port-count wavelength selective switch based on a Bragg reflector waveguides array,
レーザー学会学術講演会第 35 回年次大会,
12aⅥ03,
Jan. 2015.
-
Xiaodong Gu,
Kenya Suzuki,
Yuichiro Ikuma,
Fumio Koyama.
Large Point-Count Wavelength Selective Switch Based on a Bragg Reflector Waveguides Array,
LQE/OCS/OPE共催 電子情報通信学会 研究会,
Oct. 2014.
-
Xiaodong Gu,
Ayako Suzuki,
Akihiro Matsutani,
Fumio Koyama.
Miniature Slow-Light Bragg Reflector Waveguide Modulator with over 20GHz Modulation Bandwidth,
LQE/OCS/OPE共催 電子情報通信学会 研究会,
Oct. 2014.
-
Ayako Suzuki,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Multimode interference splitter based on Bragg reflector waveguide,
The 75th JSAP Autumn Meeting 2014,
18a-C6-9,
Sept. 2014.
-
Xiaodong Gu,
Kenya Suzuki,
Yuichiro Ikuma,
Fumio Koyama.
60-Channels Flexible-Grid Wavelength Selective Switch Based on a Compact Bragg Reflector Waveguides Array,
The 75th JSAP Autumn Meeting 2014,
19a-C7-10,
Sept. 2014.
-
Toshihiro Oyama,
Xiaodong Gu,
Fumio Koyama.
Design of 1.55μm band beam steering device based on Si/SiO2 Bragg reflector waveguides,
The 75th JSAP Autumn Meeting 2014,
19a-C7-9,
Sept. 2014.
-
Kenji Tanabe,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Coupling of vortex beams from Bragg reflector waveguides to a multi-mode fiber,
The 61st JSAP Spring Meeting 2014,
20a-F8-2,
Mar. 2014.
-
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Bragg Reflector Waveguide Modulator toward High-Speed Operations and Low Power Consumption,
The 61st JSAP Spring Meeting 2014,
20a-F8-1,
Mar. 2014.
-
Xiaodong Gu,
Fumio Koyama.
Large Port-Count Wavelength Selective Switch Based on High-density Bragg Reflector Waveguide Array,
The 61st JSAP Spring Meeting 2014,
17p-PA2-7,
Mar. 2014.
-
Kenji Tanabe,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Creation of vortex beams from multi-ring Bragg reflector waveguides,
The 75th JSAP Autumn Meeting 2014,
19a-C7-8,
2014.
-
Ayako Suzuki,
Xiaodong Gu,
Fumio Koyama.
Measurement of electro-absorption and electro-refractive index changes in Bragg reflector waveguide modulators,
電子情報通信学会2013年ソサイエティ大会,
C-3-45,
Sept. 2013.
-
Shoki Shmizu,
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Low Voltage and Small Slow-Light Modulators for High Speed and Low Power Consumption Optical Interconnects,
電子情報通信学会2013年ソサイエティ大会,
C-3-44,
Sept. 2013.
-
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Ultra-compact Bragg Reflector Waveguide Modulator with Large Response Bandwidth and Low Power Consumption,
The 74th Autumn Meeting 201,
19a-P2-10,
Sept. 2013.
-
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
1550nm-band Low Polarization Dependence Wavelength Demultiplexing Using Bragg Reflector Waveguide,
The 74th Autumn Meeting 2013,
19a-P2-11,
Sept. 2013.
-
Kenji Tanabe,
Shota Mochizuki,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Creation of vortex beam from Bragg reflector waveguides and its characterization,
The 74th Autumn Meeting 2013,
19p-A8-15,
Sept. 2013.
-
Xiaodong Gu,
Masanori Nakahama,
FUMIO KOYAMA.
高精細イメージングのためのBragg反射鏡導波路を用いた偏向デバイス,
第12回レーザディスプレイ技術研究会,
July 2013.
-
Xiaodong Gu,
Syouki Shimizu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Demonstration of an Electro-absorption Optical Modulator based on Bragg Reflector Waveguide with Ultra-low Driving Voltage,
IEICE General Conference 2013,
C-4-30,
Mar. 2013.
-
Fumio Koyama,
Gu Xiadong.
High-resolution Beam Scanner Based on Slow-light Bragg Reflector Waveguide,
映像情報メディア学会研究会,
IDY-6,
Mar. 2013.
-
Shota Mochizuki,
Toshikazu Shimada,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Generation of vortex beam based on Bragg reflector waveguide,
IEICE General Conference 2013,
C-3-11,
Mar. 2013.
-
Kensuke Nakamura,
Xiaodong Gu,
Akihiro Matsutani,
Fumio Koyama.
Two-dimensional free-space beam steering using Bragg reflector waveguides,
IEICE General Conference 2013,
C-3-45,
Mar. 2013.
-
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
High-resolution Wavelength Demultiplexer Based on a Bragg Reflector Waveguide,
The 73rd JSAP Autumn Meeting 2012,
13p-C5-10,
Sept. 2012.
-
Xiaodong Gu,
Toshikazu Shimada,
Shouki Shimizu,
Akihiro Matsutani,
Fumio Koyama.
Compact Bragg Reflector Waveguide Modulator with Ultra-low Driving Voltage below 0.5 V,
The 73rd JSAP Autumn Meeting 2012,
12a-PA3-25,
Sept. 2012.
-
Syoki Shimizu,
Xiaodong Gu,
Toshikazu Shimada,
Akihiro Matsutani,
Fumio Koyama.
Low Voltage Slow-Light Modulators for Low Power Consumption Optical Interconnects,
IEICE Society Conference 2012,
C-3-54,
Sept. 2012.
-
Shota Mochizuki,
Toshikazu Shimada,
Gu Xiaodong,
Fumio Koyama.
Control of far-field pattern based on slow light SOA,
The 73rd JSAP Autumn Meeting 2012,
13p-C5-11,
Sept. 2012.
-
Masanori NAKAHAMA,
Hayato SANO,
Toshikazu SHIMADA,
Xiaodong Gu,
Takahiro SAKAGUCHI,
Akihiro MATSUTANI,
Fumio KOYAMA.
Lateral Integration of Tunable MEMS VCSEL and Slow Light Amplifier,
IEICE LQE2012,
IEICE LQE2012-37,
vol. 112,
no. 183,
pp. 61-66,
Aug. 2012.
Official location
-
Masanori Nakahama,
Xiaodong Gu,
Toshikazu Shimada,
Fumio Koyama.
Monolithic Beam Steering Device Employing Slow-light Waveguide and MEMS VCSEL,
The 59th Spring Meeting of Japan Society of Applied Physics and Related Societies,
16p-F3-4,
Mar. 2012.
-
Fumio Koyama,
Xiaodong Gu,
Masanori Nakahama.
Giant Beam Steering and Widely Tunable Devices based on VCSEL Structure,
レーザー学会第32回学術講演会,
S330p,
VI01,
S25-26,
Jan. 2012.
-
Akihiro Imamura,
Weijian Yang,
Xiaodong Gu,
Fumio Koyama,
Connie J. Chang-Hasnain.
Transverse Mode Demultiplexing Based on HCG Hollow Waveguide,
The 2011 IEICE Society Conference,
C-3-17,
Sept. 2011.
-
Xiaodong Gu,
Toshikazu Shimada,
Fumio Koyama.
Proposal of Beam-deflector based on Slow Light Amplifier,
The 2011 IEICE Society Conference,
C-3-5,
Sept. 2011.
-
Xiaodong Gu,
Akihiro Imamura,
Fumio Koyama.
Proposal of athermal HCG-VCSEL using Benzocyclobutene polymer,
The 58th Spring Meeting of Japan Society of Applied Physics and Related Societies,
26a-P5-5,
Mar. 2011.
-
Akihiro Imamura,
Weijian Yang,
James Ferrara,
Yuuki Hasizume,
Xiaodong Gu,
Fumio Koyama,
Connie J. Chang-Hasnain.
Spatial Mode Demultiplexer Based on High Contrast Sub-Wavelength Grating Hollow Waveguide,
The 58th Spring Meeting of Japan Society of Applied Physics and Related Societies,
24p-KA-16,
Mar. 2011.
Other Publication
-
Kenji Tanabe,
Shota Mochizuki,
Xiaodong Gu,
Fumio Koyama.
Generation of the vortex beam using Bragg reflector waveguides and its application for multimode fiber transmission,
IEICE Technical Report OPE2013-220,
第9回光エレクトロニクス研究会,
OPE2013-220,
Feb. 2014.
-
Akihiro Imamura,
Weijian YANG,
James FERARRA,
Yuuki HASHIDUME,
Xiaodong GU,
Fumio KOYAMA,
Connie J. CHANG-HASNAIN.
Spatial Mode Demultiplexer Based on High Contrast Sub-Wavelength Grating Hollow Waveguide,
IEICE LQE2011,
LQE2011-41,
Aug. 2011.
Patent
-
FUMIO KOYAMA,
Xiaodong Gu,
Ruixiao Li.
光偏向デバイス.
Patent.
Published.
国立大学法人東京工業大学.
2021/11/05.
PCT/JP2021/040744.
2022/05/27.
WO 2022/107614.
2022.
-
FUMIO KOYAMA,
Xiaodong Gu.
面発光レーザ.
Patent.
Published.
国立大学法人東京工業大学.
2021/06/14.
特願2021-098801.
2022/01/06.
特開2022-002299.
2022.
-
FUMIO KOYAMA,
Xiaodong Gu.
面発光レーザ.
Patent.
Published.
国立大学法人東京工業大学.
2021/06/14.
特願2021-098802.
2022/01/06.
特開2022-002300.
2022.
-
FUMIO KOYAMA,
Xiaodong Gu,
Ruixiao Li.
光偏向デバイス.
Patent.
Published.
国立大学法人東京工業大学.
2020/11/20.
特願2020-193462.
2022/06/01.
特開2022-082100.
2022.
-
FUMIO KOYAMA,
Xiaodong Gu.
半導体光増幅器.
Patent.
Published.
国立大学法人東京工業大学.
2020/10/08.
特願2020-170583.
2022/04/20.
特開2022-062516.
2022.
-
FUMIO KOYAMA,
Masanori Nakahama,
Xiaodong Gu.
半導体レーザおよび光デバイス.
Patent.
Published.
国立大学法人東京工業大学.
2020/09/04.
特願2020-148861.
2022/03/16.
特開2022-043541.
2022.
-
Susumu Kinoshita,
FUMIO KOYAMA,
Xiaodong Gu.
光トランシーバ.
Patent.
Published.
国立大学法人東京工業大学.
2020/05/27.
特願2020-092634.
2021/12/13.
特開2021-189252.
2021.
-
FUMIO KOYAMA,
Xiaodong Gu.
波長可変面発光レーザおよび光源装置.
Patent.
Registered.
国立大学法人東京工業大学.
2019/10/17.
特願2019-190214.
2021/04/22.
特開2021-064767.
特許第7364214号.
2023/10/10
2023.
-
FUMIO KOYAMA,
Xiaodong Gu.
測距センサ.
Patent.
Published.
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国立大学法人東京工業大学.
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FUMIO KOYAMA,
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国立大学法人東京工業大学.
2017/10/13.
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2022/01/18
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FUMIO KOYAMA,
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国立大学法人東京工業大学.
2017/08/30.
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FUMIO KOYAMA,
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国立大学法人東京工業大学.
2017/02/24.
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2018/12/20.
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2020/06/12
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FUMIO KOYAMA,
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国立大学法人東京工業大学.
2016/02/29.
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2020/07/10
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FUMIO KOYAMA,
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国立大学法人東京工業大学, 日本電信電話株式会社.
2015/10/22.
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2017/05/18.
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2018/12/28
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FUMIO KOYAMA,
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国立大学法人東京工業大学, 日本電信電話株式会社.
2015/06/03.
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2016/12/28.
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2018/06/29
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FUMIO KOYAMA,
Xiaodong Gu.
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国立大学法人東京工業大学, 日本電信電話株式会社.
2014/06/12.
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2016/01/07.
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2017/11/10
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国立大学法人東京工業大学, 日本電信電話株式会社.
2014/06/20.
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2016/01/14.
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2017/11/10
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FUMIO KOYAMA,
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国立大学法人東京工業大学, 日本電信電話株式会社.
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2016/04/08
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2015/07/17
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Degree
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Slow-light bragg reflector waveguide-based functional devices for use in next-generation optical networks,
Summary,
Doctor (Engineering),
Tokyo Institute of Technology,
2014/09/25,
-
Slow-light bragg reflector waveguide-based functional devices for use in next-generation optical networks,
Outline,
Doctor (Engineering),
Tokyo Institute of Technology,
2014/09/25,
-
Slow-light bragg reflector waveguide-based functional devices for use in next-generation optical networks,
Thesis,
Doctor (Engineering),
Tokyo Institute of Technology,
2014/09/25,
-
Slow-light bragg reflector waveguide-based functional devices for use in next-generation optical networks,
Exam Summary,
Doctor (Engineering),
Tokyo Institute of Technology,
2014/09/25,
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