Edamatsu Keiichi

エダマツケイイチ | Edamatsu Keiichi

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://www.quantum.riec.tohoku.ac.jp

Research field (2)： Semiconductors, optical and atomic physics , Optical engineering and photonics

Research keywords (4)：量子光学 , 光物性 , 量子計測 , 量子情報

Research theme for competitive and other funds (17)：

2020 - 2022 Nonlocal quantum metrology based on entanglement and weak measurement
2017 - 2019 Generation of mutually-coherent single photons and the development of high-performance single-photon sources using N@C60
2010 - 2012 Development of quantum operation devices using single-photon-level nonlinear interaction between photons and solids
2005 - 2009 Development of superefficient entangled-photon sources, detectors and entanglement re-covery protocol
2004 - 2006 半導体による量子もつれ光子の発生・制御およびデコヒーレンスに関する研究

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Papers (167)：

Pengfei Wang, Soyoung Baek, Keiichi Edamatsu, Fumihiro Kaneda. Low-loss polarization-maintaining optical router for photonic quantum information processing. Japanese Journal of Applied Physics. 2024. 63. 4. 040901-040901
YINING XUAN, RUI SUN, SOYOUNG BAEK, MARK SADGROVE, KEIICHI EDAMATSU. Numerical investigation of plasmon-enhanced emission from a nanofiber coupled single photon emitter. Applied Physics Express. 2023
Atsushi Syouji, Ryosuke Shimizu, Shigehiro Nagano, Koji Suizu, Keiichi Edamatsu. Short interference fringe and high event rate of two-photon interference using up-converted photon pairs. JAPANESE JOURNAL OF APPLIED PHYSICS. 2023. 62. 2
Yining Xuan, Masakazu Sugawara, Rui Sun, Soyoung Baek, Yasuyoshi Mitsumori, Keiichi Edamatsu, Mark Sadgrove. Enhanced fiber coupled single photon source based on a quantum dot coupled to a gold nanoparticle. Optica Quantum 2.0 Conference and Exhibition. 2023
Soyoung Baek, Fumihiro Kaneda, Yasuyoshi Mitsumori, Keiichi Edamatsu. Engineering Spatial Entanglement of Photon Pairs Generated from Parametric Down-Conversion. Optica Quantum 2.0 Conference and Exhibition. 2023

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MISC (225)：

Naofumi Abe, Keiichi Edamatsu. ダイヤモンドを使った真にランダムな偏光を持つ単一光子の発生・検証に成功--光子を用いた量子さいころ--. 電子情報通信学会誌. 2017. 100. 10. 1140-1141
枝松圭一, 小澤正直, 長谷川祐司. [鼎談]量子測定に関する新しい理論と実証実験への道. 数学セミナー(2015年6月号, No. 644,日本評論社). 2015. 54. 6. 50-57
枝松圭一. シャイな量子の不確定性関係. 応用物理. 2015. 83. 5. 390-393
枝松圭一, 金田文寛, So-Young Baek, 小澤正直. 量子測定における誤差・擾乱の計測と不確定性関係. 日本物理学会誌. 2015. 70. 3. 188-193
Ajiki H., Matsuura S., Mitsumori Y., Kosaka H., Edamatsu K., Miyazaki K., Kim D., Nakayama M., Oohata G., Ishihara H. 8aAJ-3 Radiative Lifetime of Biexciton in CuCl Microcavity : Influence of Z_<1,2> Excitons. Meeting abstracts of the Physical Society of Japan. 2014. 69. 2. 513-513

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Patents (2)：

Books (7)：

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Lectures and oral presentations (301)：

Nonlocal two-qubit measurement using spin products
(3rd International Conference on Quantum Foundations 2017)
Dynamically Unpolarized Single-Photon Source in Diamond with Intrinsic Randomness
(International Symposium on Photonics and Optical Communications 2017)
Characterization of a Chiral Nano-Optical Device
(International Symposium on Photonics and Optical Communications 2017)
Polarization response of a gold nanoparticle coupled to a nanofibre optical interface
(International Symposium on Photonics and Optical Communications 2017)
ダイヤモンド単一NV中心を用いた動的無偏光単一光子発生
(日本物理学会 2017年秋季大会 2017)

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Professional career (1)：

Association Membership(s) (2)：

Optical Sciety of America , 日本物理学会

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