Journal Paper

• Hameeda R Ibrahim, Ahmed H. Hassan, Xiaodong Gu, Moustafa Ahmed, Fumio Koyama. Enhanced High-Frequency Modulation of Single-mode 850 nm VCSELs via Dual Transverse-Cavity Integration, IEICE Electronics Express, Vol. 21, No. 4, pp. 1-4, Feb. 2024.

International Conference (Reviewed)

• FUMIO KOYAMA. High Speed VCSEL Photonics Toward 200Gbps/ch or Beyond, Internaitonal Nano-Optoelectronics Workshop 2024, July 2024.

Domestic Conference (Not reviewed / Unknown)

• FUMIO KOYAMA. 面発光レーザの進展 −３Dセンサ・データセンター光インタコネクションへ –, レーザー学会学術講演会 第４４回年次大会, F06-19p-IV-01, Jan. 2024.

Patent

• FUMIO KOYAMA, Xiaodong Gu. 面発光レーザおよびその製造方法. Patent. Published. 国立大学法人東京工業大学. 2022/08/26. 特願2022-135175. 2024/03/07. 特開2024-031538. 2024.
• FUMIO KOYAMA, Xiaodong Gu. 面発光レーザおよびその製造方法. Patent. Published. 国立大学法人東京工業大学. 2022/08/26. 特願2022-135176. 2024/03/07. 特開2024-031539. 2024.

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