"Ryota Katsumi,Takeshi Hizawa,Akihiro Kuwahata,Takayuki Iwasaki,Mutsuko Hatano,Fedor Jelezko,Masaki Sekino,Takashi Yatsui","Hybrid integration of Si3N4 grating structure on diamond NV substrate for efficient photon extraction","The 4th International Forum on Quantum Metrology and Sensing",,,,,,2021,Dec. "Xinyu Cao,Zonghao Xin,Akihiro Kuwahata,Motofumi Fushimi,Shinichi Chikaki,Kazuhiro Oyama,Yuki Anno,Teppei Yoshida,Takayuki Shibata,Yuichiro Shirota,Masato Yumoto,Hiromasa Sawamura,Mutsuko Hatano,Takashi Yatsui,Masaki Sekino","Toward on-board magnetoencephalography with wearable magnetometers and active noise canceler","The 4th International Forum on Quantum Metrology and Sensing",,,,,,2021,Dec.