First author (RK)

All publications (RK: First author: 9, Co-author: 11)

  1. Ryota Katsumi, Yasutomo Ota, Mohamed Benyoucef, “Telecom-Band Quantum Dots Compatible with Silicon Photonics for Photonic Quantum Applications,” Advanced Quantum Technologies, 2300423, February 2024, DOI: 10.1002/qute.202300423
  2. Ryota Katsumi, Kosuke Takada, Shun Naruse, Kenta Kawai, Daichi Sato, Takeshi Hizawa, and Takashi Yatsui, “Hybrid integration of ensemble nitrogen-vacancy centers in single-crystal diamond based on pick-flip-and-place transfer printing,” Applied Physics Letters, Vol. 123, Iss. 11, 111108, September 2023, DOI: 10.1063/5.0161268
  3. Ryota Katsumi, Yasutomo OTA, Takeyoshi Tajiri, Satoshi IWAMOTO, Kaur Ranbir, Johann Peter Reithmaier, Mohamed Benyoucef, and Yasuhiko Arakawa, “CMOS-compatible integration of telecom band InAs/InP quantum-dot single-photon sources on a Si chip using transfer printing,” Applied Physics Express, Vol. 16 012004 (2022). DOI: 10.35848/1882-0786/acabaa
  4. 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 silicon nitride grating structure on single-crystal diamond toward sensitive magnetometers,” Appl. Phys. Lett. Vol. 121, Iss. 16, 161103 (2022), DOI: 10.1063/5.0107854
  5. Ryota Katsumi, Masaki Sekino, and Takashi Yatsui, “Design of an ultra-sensitive and miniaturized diamond NV magnetometer based on a nanocavity structure,” Japanese Journal of Applied Physics, Vol. 61, No.8, 082004, August 2022, DOI: 10.35848/1347-4065/ac7e10
  6. Ryota Katsumi, Yasutomo Ota, Takeyoshi Tajiri, Masahiro Kakuda, Satoshi Iwamoto, Hidefumi Akiyama, and Yasuhiko Arakawa, “Unidirectional output from a quantum-dot single-photon source hybrid integrated on silicon,” Optics Express, Vol. 29, Issue 23, pp. 37117-37127 (2021)
  7. R. Katsumi, Y. Ota, A. Osada, T. Tajiri, T. Yamaguchi, M. Kakuda, S. Iwamoto, H. Akiyama, and Y. Arakawa, “In situ wavelength tuning of quantum-dot single-photon sources integrated on a CMOS-processed silicon waveguide”, Appl. Phys. Lett. Vol. 116, 041103 (2020) (selected as “Editor’s Pickups”) 
  8. R. Katsumi, Y. Ota, A. Osada, T. Yamaguchi, T. Tajiri, M. Kakuda, S. Iwamoto, H. Akiyama and Y. Arakawa, “Quantum-dot single-photon source on a CMOS silicon photonic chip integrated using transfer printing”, APL Photonics Vol. 4, 036105 (2019)
  9. R. Katsumi, Y. Ota, M. Kakuda, S. Iwamoto, and Y. Arakawa “Transfer-printed single-photon sources coupled to wire waveguides”, Optica Vol. 5, 691 (2018)

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