Topics
- March 8, 2022
New publication: "Pathway selectivity in time-resolved spectroscopy
using two-photon coincidence counting with quantum entangled photons,"Yuta
Fujihashi, Akihito Ishizaki, and Ryosuke Shimizu
Journal of Chemical Physics 160, 104201/1-8 (2004).
- February 14, 2024
New publication: "Single-photon level ultrafast time-resolved measurement
using two-color dual-comb-based asynchronous linear optical sampling,"
Prasad Koviri, Hajime Komori, Haochen Tian, Masahiro Ishizeki, Takashi
Kato, Akifumi Asahara, Ryosuke Shimizu, Thomas Schibli, Kaoru Minoshima
Applied Physics Express 17, 022001/1-5 (2024).
- December 22, 2022
New publication: "Quantum interferometric spectroscopy of a biexciton," Hiroya Seki, Kensuke Miyajima, and Ryosuke Shimizu
Phys. Rev. A 106, 063716/1-7 (2022).
- December 13, 2022
New publication: "Two-photon spectral modulation via temporal manipulation:
Quantum optical synthesis of spectral modes from temporal square waves,"
Rui-Bo Jin, Hiroki Oshima, Takumi Yagisawa, Masahiro Yabuno, Shigehito
Miki, Fumihiro China, Hirotaka Terai, and Ryosuke Shimizu
Appl. Phys. Lett. 121, 244002/1-8 (2022).
- February 2, 2022
New publication: "Ultrafast measurement of a single-photon wave packet using an optical Kerr gate," Masahiro Yabuno, Takahiro Takumi, Fumihiro China, Shigehito Miki, Hirotaka Terai, Peter J. Mosley, Rui-Bo Jin, and Ryosuke Shimizu
Opt. Express 30, 4999-5007 (2022).
- August 2, 2021
New publication: "Quantum optical synthesis in 2D time?frequency spaces,"
Rui-Bo Jin, Kurumi Tazawa, Naoto Asamura, Masahiro Yabuno, Shigehito Miki,
Fumihiro China, Hirotaka Terai, Kaoru Minoshima, and Ryosuke Shimizu
APL Photonics 6, 086104/1-7 (2021).
- June 1, 2020
New publication: "Generation of pseudo-sunlight via quantum entangled
photons and the interaction with molecules," Yuta Fujihashi, Ryosuke
Shimizu, and Akihito Ishizaki
Phys. Rev. Research 2, 023256/1-7 (2020).
- March 28, 2019
New publication: "Theoretical investigation of a spectrally pure-state
generation from isomorphs of KDP crystal at near-infrared and telecom wavelengths,"
Rui-Bo Jin, Neng Cai, Ying Huang, Xiang-Ying Hao, Shun
Wang, Fang Li, Hai-Zhi Song, Qiang Zhou, and Ryosuke
Shimizu
Phys. Rev. Applied 11, 034067 (2019).
- January 16, 2019
New publication: "Direct generation of frequency-bin entangled photons
via two-period quasi-phase-matched parametric downconversion," Fumihiro
Kaneda, Hirofumi Suzuki, Ryosuke Shimizu, and Keiichi Edamatsu,
Opt. Express 27 (2), 1416-1424 (2019).
- September 7, 2018
New publication: "Time-frequency duality of biphotons for quantum
optical synthesis." Rui-bo Jin, Takuma Saito, and Ryosuke Shimizu,
Phys. Rev. Applied 10, 034011/1-11 (2018).
- August 27, 2018
New publication: "Free space optical secret key agreement," Hiroyuki
Endo, Mikio Fujiwara, Mitsuo Kitamura, Orie Tsuzuki, Toshiyuki Ito, Ryosuke
Shimizu, Masahiro Takeoka, and Masahide Sasaki,
Opt. Express 26 (18), 23305-23332 (2018).
- August 1, 2018
New publication: "Quantum manipulation of biphoton spectral distributions
in a 2D frequency space toward arbitrary shaping of a biphoton wave packet,"
Rui-bo Jin, Ryoji Shiina, and Ryosuke Shimizu,
Opt. Express 26 (16), 21153-21158 (2018).
- July 18, 2018
New publication: "Free-space optical wiretap channel and experimental
secret key agreement in 7.8 km terrestrial link," Mikio Fujiwara,
Toshiyuki Ito, Mitsuo Kitamura, Hiroyuki Endo, Orie Tsuzuki, Morio Toyoshima,
Hideki Takenaka, Yoshihisa Takayama, Ryosuke Shimizu, Masahiro Takeoka,
Ryutaroh Matsumoto, and Masahide Sasaki,
Opt. Express 26 (15), 19513-19523 (2018).
- January 24, 2018
New publication: "Extended Wiener-Khinchin theorem for quantum spectral
analysis," Rui-Bo Jin and Ryosuke Shimizu, Optica 5 (2), 93-98 (2018).
- June 30, 2017
New publication: "Monotonic quantum-to-classical transition enabled by positively correlated biphotons," Rui-Bo Jin, Guo-Qun Chen, Hui Jing, Changliang Ren, Pei Zhao, Ryosuke Shimizu, and Pei-Xiang Lu, Phys. Rev. A 95, 062341/1-8 (2017).
- November 23, 2016
New publication: "Simple method of generating and distributing frequency-entangled
qudits," R.-B. Jin, R. Shimizu, M. Fujiwara, M. Takeoka, T. Yamashita,
S. Miki, H. Terai, and M. Sasaki, Qunatum Sci. Technol. 1, 015004/1-9 (2016).
- November 14, 2016
New publication: "Detection-dependent six-photon Holland-Burnett state
interference," R.-B. Jin, M. Fujiwara, R. Shimizu, R.J. Collins, G.S.
Buller, T. Yamashita, S. Miki, H. Terai, M. Takeoka, and M. Sasaki, Sci. Rep. 6, 36914/1-7 (2016).
- April 15, 2016
New publication: "Free-space optical channel estimation for physical
layer security," H. Endo, M. Fujiwara, M. Kitamura, T. Ito, M. Toyoshima,
Y. Takayama, H. Takenaka, R. Shimizu, N. Laurenti, G. Vallone, P. Villoresi,
T. Aoki, and M. Sasaki, Opt. Express 24 (8), 8940 (2016) .
- October 28, 2015
New publication: "Spectrally resolved Hong-Ou-Mandel interference
between independent sources," R.-B. Jin, T. Gerrits, M. Fujiwara,
R. Wakabayashi, T. Yamashita, S. Miki, H. Terai, R. Shimizu, M. Takeoka,
and M. Sasaki, Opt. Express 23 (22), 28836 (2015) .
- March 25, 2015
Our paper on broadband biphoton generation is highlighted in UEC e-Bulletin. link
- March 20, 2015
New publication: "Highly efficient entanglement swapping and teleportation
at telecom wavelength," R.-B. Jin, M. Takeoka, U. Takagi, R. Shimizu,
and M. Sasaki, Sci. Rep. 5, 9333 (2015).
- March 16, 2015
English web page has been opened.
