Int’l Contr. ’21-’30

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  1. Kosuke Takada, Ryota Katsumi, Kenta Kawai, Daichi Sato, and Takashi Yatsui, “Development of diamond ring cavities for sensitive and high-resolution quantum sensing,” Quantum Innovation 2024, Paper ID: PO-SE-26, October 22, 2024, sola city Conference Center, Chuo-ku, Tokyo, Japan
  2. Ryota Katsumi, Kosuke Takada, Shun Naruse, Kenta Kawai, Daichi Sato, Takeshi Hizawa, and Takashi Yatsui, “Pick-Flip-And-Place Hybrid Integration of a Single-Crystal Diamond Nanobeam with an Ensemble of Nitrogen-Vacancy Centers,” 2023 MRS Fall Meeting, Boston, MA, November 27, 2023, EL14:03.03
  3. Kosuke Takada, Ryota Katsumi, and Takashi Yatsui, “A diamond chiral waveguide structure for nanoscale magnetometry,” Quantum Innovation 2023, Paper ID: PO-SE-38, November 16, 2023, Tokyo Convention Hall, Chuo-ku, Tokyo, Japan
  4. A. Kuwahata, Y. Murata, H. Tanaka, Y. Masuyama, K. Arai, R. Katsumi, T. Iwasaki, M. Hatano, R. Igarashi, T. Ohshima, F. Jelezko, T. Yatsui, M. Sekino, “Development of diamond NV magnetometer with optical fiber array,” Quantum Innovation 2023, Paper ID: PO-SE-38, November 16, 2023, Tokyo Convention Hall, Chuo-ku, Tokyo, Japan
  5. Ryota Katsumi, Takeshi Hizawa, Akihiro Kuwahata, Shun Naruse, Yuji Hatano, Takayuki Iwasaki, Mutsuko Hatano, Fedor Jelezko, Shinobu Onoda, Takeshi Ohshima, Masaki Sekino, and Takashi Yatsui, “Transfer-printing-based integration of SiN grating structure on diamond toward highly sensitive quantum sensor,” The 5th International Forum on Quantum Metrology and Sensing (5th IFQMS), SE-03A-α2-03, November 29, 2022, online
  6. Ryuichi Hirota, Toru Murayama, Ryota Katsumi, Tokuhisa Kawawaki, Shin Yabukami, Ryuji Igarashi, Yuichi Negishi, Moriaki Kusakabe, Masaki Sekino, Takashi Yatsui, and Akihiro Kuwahata, “Rapid Virus Detection using Magnetic Second Harmonics of Superparamagnetic Iron Oxide Nanoparticles,” The 67th Annual Conference on Magnetism and Magnetic Materials (MMM 2022), Hyatt Regency Minneapolis, MN, NOVEMBER 07, 2022, Paper ID: QOA-15 (oral)
  7. Ryota Katsumi, Takeshi Hizawa, Akihiro Kuwahata, Takayuki Iwasaki, Mutsuko Hatano, Fedor Jelezko, Masaki Sekino, and Takashi Yatsui, “Efficient photon extraction of NV centers in diamond by integrating Si3N4 grating structure on diamond,” The 13th Asia-Pacific Conference on Near-Field Optics (APNFO13), July 29-31, 2022, Hokkaido University, Sapporo, Japan (Hybrid), OL30-B11
  8. Akihiro Kuwahata, Yuma Murata, Haruki Tanaka, Keigo Arai, Ryota Katsumi, Takayuki Iwasaki, Mutsuko Hatano, Ryuji Igarashi, Takeshi Ohshima, Fedor Jelezko, Moriaki Kusakabe, Shin Yabukami, Takashi Yatsui, and Masaki Sekino, “Magnetometry with diamond nitrogen-vacancy center by using an optical fiber array for two-dimensional imaging,” 2022 Joint MMM-INTERMAG, January 10-14, 2022, New Orleans, LA, USA/Online, IOH-09
  9. 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, and Masaki Sekino, “Toward on-boad mangetoencephalography with wearable magnetrometers and active noise canceler,” Quantum Innovation 2021, 7-9 December 2021, Virtual, SE-03A-α1-04
  10. Ryota Katsumi, Takeshi Hizawa, Akihiro Kuwahata, Takayuki Iwasaki, Mutsuko Hatano, Fedor Jelezko, Masaki Sekino, and Takashi Yatsui, “Hybrid integration of Si3N4 grating structure on diamond NV substrate for efficient photon extraction,” Quantum Innovation 2021, 7-9 December 2021, Virtual, SE-03A-β2-06