QCNQC

Continuous-wave based homodyne detection of pulsed single-photon states

Tatsuki Sonoyama, Tomoki Sano, Kazuma Takahashi, Takumi Suzuki, Takefumi Nomura, Takahiro Kashiwazaki, Asuka Inoue, Takeshi Umeki, Masahiro Yabuno, Shigehito Miki, Hirotaka Terai, Kan Takase, Warit Asavanant, Mamoru Endo, and Akira Furusawa

APS Joint March Meeting and April Meeting: Global Physics Summit 2025 [Oral]

2025-03-17

Quantum state estimation of multipartite single-photon path entanglement via local measurements

Hikaru Shimizu, Joe Yoshimoto, Kazufumi Tanji, Aruto Hosaka, Junko Ishi-Hayase, Tomoyuki Horikiri, Rikizo Ikuta, and Masahiro Takeoka

Physical Review A, 111 (2), pp. 022619-1 - 022619-7

2025-02-18

DOI

Low-noise quantum frequency conversion with cavity enhancement of the converted mode

Shoichi Murakami, Toshiki Kobayashi, Shigehito Miki, Hirotaka Terai, Tsuyoshi Kodama, Tsuneaki Sawaya, Akihiko Ohtomo, Hideki Shimoi, Takashi Yamamoto, and Rikizo Ikuta

Optica Quantum, 3 (1), pp. 55 – 63

2025-01-29

DOI

Simple quantum state tomography of single-photon entanglement

Joe Yoshimoto, Hikaru Shimizu, Kazufumi Tanji, Aruto Hosaka, Junko Ishi-Hayase, Tomoyuki Horikiri, Rikizo Ikuta, and Masahiro Takeoka

SPIE Photonic West [Oral]

2025-01-26

Scalable Timing Coordination of Bell State Analyzers in Quantum Networks

Yoshihiro Mori, Toshihiko Sasaki, Rikizo Ikuta, Kentaro Teramoto, Hiroyuki Ohno, Michal Hajdušek, Rodney Van Meter, and Shota Nagayama

2024 IEEE International Conference on Quantum Computing and Engineering (QCE), Montreal, QC, Canada, 2024, pp. 1890-1896

2025-01-10

DOI

Enhancing Photon-Electron Spin Conversion Efficiency in Gate-Defined Quantum Dots with Bull’s Eye Cavity

H. Sato, Y. Konishi, A. Oiwa, R. Fukai, S. Ji, S. Iwamoto, and H. Kiyama

The 28th SANKEN International Symposium [Poster]

2025-01-08

Research on undoped electron/hole quantum dot light-emitting devices

T. Kurose, K. Haruna, G. Fukuda, T. Fujita, J. Ritzmann, A. D. Wieck, A. Ludwig, and A. Oiwa

28th SANKEN International Symposium [Poster]

2025-01-08

Evaluation of NbTiN superconducting strip photon detectors with 0.1 – 30 µm strip widths

Tomohiro Haneishi, Masahiro Yabuno, Hiroki Kutsuma, Shigehito Miki, and Taro Yamashita

IEEE Transactions on Applied Superconductivity, 35 (5), pp. 2200105-1 - 2200105-5

2024-12-25

DOI

Photon-spin conversion in QDs: Bull’s eye cavity and Ge/SiGe QDs

Rio Fukai, Masato Tsuchiya, Yuta Konishi, Hosumi Sato, James Daniel Bauer, Gabriel Gulak Maia, Takafumi Fujita, and Akira Oiwa

Julich Collaborative Research Meeting [Oral]

2024-12-11

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