Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Naoto Namekata"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract We developed an optical time-of-flight measurement system using a time-resolved and mode-selective up-conversion single-photon detector for acquiring tomographic images of a mouse brain. The probe and pump pulses were spectrally carved from
Externí odkaz:
https://doaj.org/article/20da0f57ba604b0a9b3aaa4586af52dc
Publikováno v:
Advanced Optical Techniques for Quantum Information, Sensing, and Metrology.
We report on the compressive near infrared single-pixel imaging using the sinusoidally gated InGaAs/InP single-photon avalanche diode (SG-SPAD). The SG-SPAD is one of the most efficient and practical single-photon detector in NIR region, and it enabl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a92fb1bd367cc3ff72bafb746fdb680d
https://doi.org/10.1117/12.2547022
https://doi.org/10.1117/12.2547022
Publikováno v:
Optics Express. 29:24899
We experimentally studied a continuous time evolution of a “plasmonic” walker in a 1-dimensional lattice structure based on long-range surface plasmon polariton waveguides. The plasmonic walker exhibited a typical time evolution of a 1-dimensiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35249a75febc8927f945f397de17a720
https://doi.org/10.1364/oe.427858
https://doi.org/10.1364/oe.427858
Publikováno v:
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Quantum walks (QWs) simulate particle behaviors in the quantum mechanical regime, which exhibit time evolutions completely different from the classical (probabilistic) random works [1]. QWs offer quantum physical simulations and the novel approach to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d843dc96da91f172b2b101e2072cd50e
https://doi.org/10.1109/cleoe-eqec.2019.8873135
https://doi.org/10.1109/cleoe-eqec.2019.8873135
Publikováno v:
Japanese Journal of Applied Physics. 59:072004
We report on the high-efficiency single-photon detection at 1550 nm using an InGaAs/InP single-photon avalanche diode (SPAD) gated with a large-amplitude sinusoidal voltage. The gating realizes the excess bias voltage up to 12.0 V, which strongly enh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32d3d8f6d69031222a197f8321220401
https://doi.org/10.35848/1347-4065/ab9625
https://doi.org/10.35848/1347-4065/ab9625
Publikováno v:
Conference on Lasers and Electro-Optics.
90-Dimentional and spatially phase-modulated quantum states were generated and detected using deformable-mirror-based adaptive optics. The number of controllable states was increased up to 256, which enabled us to demonstrate a quantum secure authent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ad57f8c59ebadd1f6c2d67cfa85adb6
https://doi.org/10.1364/cleo_qels.2018.fw4f.8
https://doi.org/10.1364/cleo_qels.2018.fw4f.8
Autor:
Tomoyuki Horikiri, Shuichiro Inoue, Naoto Namekata, Kotaro Okamura, Nobuyuki Takei, Ming-Yang Zheng, Xiuping Xie, Hideo Kosaka, Kazuya Nilzeki, Kohei Ikeda
Publikováno v:
CLEO Pacific Rim Conference.
We demonstrate a narrow-band telecom two-photon source for long-distance quantum communication. The second-order cross-correlation function reveals narrow linewidth of 2.4 MHz and the highest spectral brightness of3.94 × 105 pairs/(s.MHz.mW).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8c89e9c9d56c262ef92bee211a808b9
https://doi.org/10.1364/cleopr.2018.th4j.6
https://doi.org/10.1364/cleopr.2018.th4j.6
Publikováno v:
CLEO Pacific Rim Conference.
We report on the all-fiber single-photon buffer for long-distance quantum communications. The coincidence between single photons generated by two independent heralded single-photon sources was successfully enhanced without degrading the polarization-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a957ffcbb6f829657842b24403ec602c
https://doi.org/10.1364/cleopr.2018.w3a.108
https://doi.org/10.1364/cleopr.2018.w3a.108
Publikováno v:
2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR).
We demonstrated an efficient fiber-optic single-photon buffer (SPB) at 1550 nm. The SPB can control and give discrete time delays to a single-photon. Moreover the SPB is passively polarization-stable, and consequently the polarization-based quantum s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a50689c4fef6d65ab10d0a864d8f6556
https://doi.org/10.1109/cleopr.2017.8118925
https://doi.org/10.1109/cleopr.2017.8118925
Publikováno v:
Optics express. 25(8)
High-order dispersion of long-range surface-plasmon-polariton waveguides (LR-SPP-WGs) have been investigated using a two-photon interferometer. Since linear and even-ordered dispersions in two-photon interferometry are cancelled out by a nonlocal qua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd227e0530a3c184fe1de3ccd3af7338
https://pubmed.ncbi.nlm.nih.gov/28437911
https://pubmed.ncbi.nlm.nih.gov/28437911