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Journal Articles

Hybrid integration of ensemble nitrogen-vacancy centers in single-crystal diamond based on pick-flip-and-place transfer printing

Ryota Katsumi, Kosuke Takada, Shun Naruse, Kenta Kawai, Daichi Sato, Takeshi Hizawa, Takashi Yatsui
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 111108 (2023)
https://doi.org/10.1063/5.0161268
Published: September 2023
View article titled, Hybrid integration of ensemble nitrogen-vacancy centers in single-crystal diamond based on pick-flip-and-place transfer printing
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Journal Articles

Rapid virus detection using magnetic second harmonics of superparamagnetic iron oxide nanoparticles

Ryuichi Hirota, Toru Murayama, Ryota Katsumi, Tokuhisa Kawawaki, Shin Yabukami, Ryuji Igarashi, Yuichi Negishi, Moriaki Kusakabe, Masaki Sekino, Takashi Yatsui, Akihiro Kuwahata
Journal: AIP Advances
AIP Advances 13, 025144 (2023)
https://doi.org/10.1063/9.0000483
Published: February 2023
View article titled, Rapid virus detection using magnetic second harmonics of superparamagnetic iron oxide nanoparticles
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Includes: Supplementary data
Journal Articles

Transfer-printing-based integration of silicon nitride grating structure on single-crystal diamond toward sensitive magnetometers

Ryota Katsumi, Takeshi Hizawa, Akihiro Kuwahata, Shun Naruse, Yuji Hatano, Takayuki Iwasaki, Mutsuko Hatano, Fedor Jelezko, Shinobu Onoda, Takeshi Ohshima, Masaki Sekino, Takashi Yatsui
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 161103 (2022)
https://doi.org/10.1063/5.0107854
Published: October 2022
View article titled, Transfer-printing-based integration of silicon nitride grating structure on single-crystal diamond toward sensitive magnetometers
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Journal Articles

In situ wavelength tuning of quantum-dot single-photon sources integrated on a CMOS-processed silicon waveguide

Ryota Katsumi, Yasutomo Ota, Alto Osada, Takeyoshi Tajiri, Takuto Yamaguchi, Masahiro Kakuda, Satoshi Iwamoto, Hidefumi Akiyama, Yasuhiko Arakawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 116, 041103 (2020)
https://doi.org/10.1063/1.5129325
Published: January 2020
View article titled, <em>In situ</em> wavelength tuning of quantum-dot single-photon sources integrated on a CMOS-processed silicon waveguide
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Journal Articles

Quantum-dot single-photon source on a CMOS silicon photonic chip integrated using transfer printing

Ryota Katsumi, Yasutomo Ota, Alto Osada, Takuto Yamaguchi, Takeyoshi Tajiri, Masahiro Kakuda, Satoshi Iwamoto, Hidefumi Akiyama, Yasuhiko Arakawa
Journal: APL Photonics
APL Photonics 4, 036105 (2019)
https://doi.org/10.1063/1.5087263
Published: March 2019
View article titled, Quantum-dot single-photon source on a CMOS silicon photonic chip integrated using transfer printing
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