Zobrazeno 1 - 10 of 133 pro vyhledávání: '"Kazuhiro Katoh"'
3
Stimulated Raman scattering spectroscopy with quantum-enhanced balanced detection
Autor: Zicong Xu, Kenichi Oguchi, Yoshitaka Taguchi, Yuki Sano, Yu Miyawaki, Donguk Cheon, Kazuhiro Katoh, Yasuyuki Ozeki
Publikováno v: Optics express. 30(11)
Quantum-enhanced stimulated Raman scattering (QE-SRS) is a promising technique for highly sensitive molecular vibrational imaging and spectroscopy surpassing the shot noise limit. However, the previous demonstrations of QE-SRS utilized rather weak op
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b719b89a23e0c2e9a338910c146ea147
https://pubmed.ncbi.nlm.nih.gov/36221657
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4
Effectiveness of nature reserves for bird conservation in urban parks in Tokyo
Autor: Misako Matsuba, Kazuhiro Katoh
Publikováno v: Journal of Forestry Research. 32:2011-2022
In some urban parks in Tokyo, semi-natural habitat patches are maintained as nature reserves for birds, called bird sanctuaries. Bird censuses and vegetation surveys were conducted in eight urban parks in Tokyo from December 2015 to July 2016 to dete
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b279da8fc77897939ac858671586f314
https://doi.org/10.1007/s11676-020-01284-7
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6
Quantum-enhanced stimulated Raman scattering microscopy in a high-power regime
Autor: Zicong Xu, Kenichi Oguchi, Yoshitaka Taguchi, Shun Takahashi, Yuki Sano, Takaha Mizuguchi, Kazuhiro Katoh, Yasuyuki Ozeki
Publikováno v: Optics Letters. 47:5829
Quantum-enhanced stimulated Raman scattering (QESRS) microscopy is expected to realize molecular vibrational imaging with sub-shot-noise sensitivity, so that weak signals buried in the laser shot noise can be uncovered. Nevertheless, the sensitivity
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4082c848f7455e5fcd4defe4e0e1da6
https://doi.org/10.1364/ol.473130
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7
Picosecond squeezing at 844 nm with a periodically poled LiTaO3 waveguide
Autor: Kazuhiro Katoh, Kenichi Oguchi, Yuki Sano, Zicong Xu, Yasuyuki Ozeki, Yoshitaka Taguchi
Publikováno v: Conference on Lasers and Electro-Optics.
Aiming at quantum enhancement in < 1 µm, we demonstrate pulsed squeezing with a periodically poled stoichiometric LiTaO3 waveguide. We confirm anti-squeezing of > 7 dB and vacuum squeezing of −1.19 dB at 844 nm.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de5a0d502b07785849e2e5ae9075fafc
https://doi.org/10.1364/cleo_at.2021.jw1a.44
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8
Decoding of Multilevel Stokes-Vector Modulated Signal by Polarization-Analyzing Circuit on InP
Autor: Yuto Kawabata, Takuo Tanemura, Kazuhiro Katoh, Samir Ghosh, Kazuro Kikuchi, Yoshiaki Nakano
Publikováno v: Journal of Lightwave Technology. 36:187-194
Of-late research on Stokes vector receivers for the short-reach optical communications has gained significant attention due to its capability to decode information in multidimension using cost-effective direct-detection technique. Here, we consider t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d31e25b0ca68fd3e243755abd0046f4e
https://doi.org/10.1109/jlt.2018.2791623
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