研究実績
論文・解説・著書等リスト
- 2024
- 2023
- 2022
- 2021
- 2020
- 2019
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- 2017
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- 2015
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研究実績 報道はこちら
2024
- Jasleen Kaur, Yu Mukai, Ryo Okamoto, and Shigeki Takeuchi
High-spectral-resolution quantum Fourier-transform infrared spectroscopy with pulsed laser excitation
Phys. Rev. Applied 22, 044015 (2024) - Konosuke Shimazaki, Kazuki Suzuki, Kengo Sakamoto, Yudai Okashiro, Hiroshi Abe, Takeshi Ohshima, Hideaki Takashima and Shigeki Takeuchi
Evaluation of single silicon vacancy centers in nanodiamonds created by ion implantation at cryogenic temperatures
New J. Phys. 26 093034 (2024) - Yudai Okashiro
Yudai Okashiro,
Hideaki Takashima, Konosuke Shimazaki, Kazuki Suzuki, Yu Mukai, Igor Aharonovich, Shigeki Takeuchi
Selective Anti-Stokes Excitation of a Single Defect Center in Hexagonal Boron Nitride
ACS Photonics (2024)
2023
- Toshiyuki Tashima, Yu Mukai, Masaya Arahata, Norihide Oda, Mamoru Hisamitsu, Katsuhiko Tokuda, Ryo Okamoto, and Shigeki Takeuchi
Ultra-broadband quantum infrared spectroscopy
Optica 11, 81-87 (2024) - Geobae Park, Issei Matsumoto, Takayuki Kiyohara, Holger F. Hofmann, Ryo Okamoto,
Shigeki Takeuchi
Realization of photon correlations beyond the linear optics limit
Sci. Adv.9,eadj8146(2023) - Jasleen Kaur, Yu Mukai, Ryo Okamoto, and Shigeki Takeuchi
Spectral domain nonlinear quantum interferometry with pulsed laser excitation
Phys. Rev. A 108, 063714 (2023) - Mitsuaki Kaneko, Hideaki Takashima, Konosuke Shimazaki, Shigeki Takeuchi, and Tsunenobu Kimoto
Impact of the oxidation temperature on the density of single-photon sources formed at SiO 2/SiC interface
APL Mater. 11, 091121 (2023) - Hideaki Takashima, Andreas W. Schell, and Shigeki Takeuchi
Numerical analysis of the ultra-wide tunability of nanofiber Bragg cavities
Opt. Express 31, 13566-13575 (2023) - Bo Cao, Kyohei Hayama, Shun Suezawa, Mamoru Hisamitsu, Katsuhiko Tokuda, Sunao Kurimura, Ryo Okamoto, and Shigeki Takeuchi
Non-collinear generation of ultra-broadband parametric fluorescence photon pairs using chirped quasi-phase matching slab waveguides
Opt. Express 31, 23551-23562 (2023) - 竹内繫樹
量子もつれ光源と光量子センシング
精密工学会Vol.89,No.8 pp610-614 (2023) - 竹内繫樹
光子や量子もつれのふしぎと面白さを満喫できる
日経サイエンス Vol.53,No.9 pp108 (2023)
2022
- Yu Mukai, Ryo Okamoto, and Shigeki Takeuchi
Quantum Fourier-transform infrared spectroscopy in the fingerprint region
Opt. Express 30, 22624-22636 (2022) - Masaya Arahata, Yu Mukai, Toshiyuki Tashima, Ryo Okamoto, and Shigeki Takeuchi
Wavelength-Tunable Quantum Absorption Spectroscopy in the Broadband Midinfrared Region
Phys. Rev. Applied 18, 034015 (2022) - Aki Torii, Kosuke Shibata, Yujiro Eto, and Takuya Hirano
Improved waveguide-based ultraviolet light generation and pulsed squeezing at 795 nm
Optics Express 30, 26120-26135 (2022). - Kyohei Hayama, Bo Cao, Ryo Okamoto, Shun Suezawa, Masayuki Okano, and Shigeki Takeuchi
High-depth-resolution imaging of dispersive samples using quantum optical coherence tomography
Opt. Lett. 47, 4949-4952 (2022). - Nicolas Schwaller, Geobae Park, Ryo Okamoto, and Shigeki Takeuchi
Optimizing the coupling efficiency of spontaneous parametric down-conversion photon pairs into single-mode fibers
Phys. Rev. A 106, 043719 (2022). - Yuki Kamei, Cao Bo, Ryo Okamoto, and Shigeki Takeuchi
Spatial separation of collinearly emitted broadband frequency-correlated photon pairs
Phys. Rev. A 107, L010601 (2023). - 向井佑、荒畑雅也、田嶌俊之、岡本亮、竹内繫樹
可視検出器で！「量子」赤外分光 量子もつれ光によるフーリエ変換型量子赤外吸収分光
光学 Vol.51, No.6 p278 (2022) - 竹内繫樹
「量子もつれ」にノーベル物理学賞 ー私達の生きる「世界」の理解と、レーザー科学の果たした役割ー
レーザー研究 Vol.51, No.1 pp44-48 (2023) - 竹内繫樹
特集「注目の光量子計測・センシング」を企画するにあたって
OPTRONICS Vol.42, No.2,pp66-68 (2023) - 向井佑、荒畑雅也、田嶌俊之、竹内繁樹
量子赤外分光の高度化に向けた研究動向
OPTRONICS Vol.42, No.2,pp79-84 (2023) - 岡本亮、曹博、阿部尚文、竹内繫樹
量子光干渉断層イメージングの現状と展望
OPTRONICS Vol.42, No.2,pp85-89 (2023)
2021
- Frederick T.-K. So, Alexander I. Shames, Daiki Terada, Takuya Genjo, Hiroki Morishita, Izuru Ohki, Takeshi Ohshima, Shinobu Onoda, Hideaki Takashima, Shigeki Takeuchi, Norikazu Mizuochi, Ryuji Igarashi, Masahiro Shirakawa, and Takuya F. Segawa
Anomalous Formation of Irradiation-Induced Nitrogen-Vacancy Centers in 5 nm-Sized Detonation Nanodiamonds
J. Phys. Chem. C, 126, 11, 5206–5217 (2022) - Hideaki Takashima, Atsushi Fukuda, Konosuke Shimazaki, Yusuke Iwabata, Hiroki Kawaguchi, Andreas W. Schell, Toshiyuki Tashima, Hiroshi Abe, Shinobu Onoda, Takeshi Ohshima, and Shigeki Takeuchi
Creation of silicon vacancy color centers with a narrow emission line in nanodiamonds by ion implantation
Optical Materials Express 11, 1978-1988 (2021) - Masaya Arahata, Yu Mukai, Bo Cao, Toshiyuki Tashima, Ryo Okamoto, and Shigeki Takeuchi
Wavelength variable generation and detection of photon pairs in visible and mid-infrared regions via spontaneous parametric downconversion
J. Opt. Soc. Am. B 38, 1934-1941 (2021) - Bo Cao, Mamoru Hisamitsu, Katsuhiko Tokuda, Sunao Kurimura, Ryo Okamoto, and Shigeki Takeuchi
Efficient generation of ultra-broadband parametric fluorescence using chirped quasi-phase-matched waveguide devices
Opt. Express 29, 21615-21628 (2021) - Konosuke Shimazaki, Hiroki Kawaguchi, Hideaki Takashima, Takuya Fabian Segawa, Frederick T.-K. So, Daiki Terada, Shinobu Onoda, Takeshi Ohshima, Masahiro Shirakawa, Shigeki Takeuchi
Fabrication of Detonation Nanodiamonds Containing Silicon-Vacancy Color Centers by High Temperature Annealing
Phys. Status Solidi A, 218: 2100144 (2021) - Toshiyuki Tashima, Hideaki Takashima, Andreas W. Schell, Toan Trong Tran, Igor Aharonovich & Shigeki Takeuchi
Hybrid device of hexagonal boron nitride nanoflakes with defect centres and a nano-fibre Bragg cavity
Sci. Rep. 12, 96 (2022)
2020
- Takayuki Kiyohara, Ryo Okamoto, and Shigeki Takeuchi
Unified integration scheme using an N×N active switch for efficient generation of a multi-photon parallel state
Optics Express 28, 17490-17501 (2020) - K. Sugiura, Z. Yin, R. Okamoto, L. Zhang, L. Kang, J. Chen, P. Wu, S. T. Chu, B. E. Little, and S. Takeuchi
Broadband generation of photon-pairs from a CMOS compatible device
Appl. Phys. Lett. 116, 224001 (2020) - K. Fukushige, H. Kawaguchi, K. Shimazaki, T. Tashima, H. Takashima, and S. Takeuchi
Identification of the orientation of a single NV center in a nanodiamond using a three-dimensionally controlled magnetic field
Appl. Phys. Lett. 116, 264002 (2020) - H. Takashima, H. Maruya, K. Ishihara, T. Tashima, K. Shimazaki, A. W. Schell, T. T. Tran, I. Aharonovich, and S. Takeuchi
Determination of the Dipole Orientation of Single Defects in Hexagonal Boron Nitride
ACS Photonics 7 2056-2063 (2020) - S. Nohara, R. Okamoto, A. Fujiwara, and S. Takeuchi
Adaptive quantum state estimation for dynamic quantum states
Phys. Rev. A 102, 030401(R) (2020) - R. Okamoto, Y. Tokami, and S. Takeuchi
Loss tolerant quantum absorption measurement
New J. Phys 22, 103016 (2020) - T. Kiyohara, N. Yamashiro, R. Okamoto, H. Araki, J. -Yi Wu, H. F. Hofmann, and S. Takeuchi
Direct and efficient verification of entanglement between two multimode-multiphoton systems
Optica 7, 1517-1523 (2020) - Z. Yin, K. Sugiura, H. Takashima, R. Okamoto, F. Qiu, S. Yokoyama, and S. Takeuchi
Frequency correlated photon generation at telecom band using silicon nitride ring cavities
Opt. Express 29, 4821-4829 (2021) - Y. Mukai, M. Arahata, T. Tashima, R. Okamoto, and S. Takeuchi
Quantum Fourier-Transform Infrared Spectroscopy for Complex Transmittance Measurements
Phys. Rev. Applied 15, 034019 (2021) - Koichiro Miyanishi, Takuya F. Segawa, Kazuyuki Takeda, Izuru Ohki, Shinobu Onoda, Takeshi Ohshima, Hiroshi Abe, Hideaki Takashima, Shigeki Takeuchi, Alexander I. Shames, Kohki Morita, Yu Wang, Frederick T.-K. So, Daiki Terada, Ryuji Igarashi, Akinori Kagawa, Masahiro Kitagawa, Norikazu Mizuochi, Masahiro Shirakawa, Makoto Negoro
Room-temperature hyperpolarization of polycrystalline samples with optically polarized triplet electrons: pentacene or nitrogen-vacancy center in diamond?
Magnetic Resonance 2(1) 33 - 48 Feb 17 (2021) - 竹内繁樹、岡本 亮、田嶌 俊之、向井 佑、曹 博
量子もつれ光を用いたセンシング技術の現状と展望
光学 vol.49 No.08 pp317-323 (2020) - 高島 秀聡, 竹内 繁樹
新規室温動作単一光子源：六方晶窒化ホウ素中の単一欠陥中心
NEW DIAMOND (140) 17 - 20 Jan, (2021)
2019
- Saki Nohara, Ryo Okamoto, Koichi Yamagata, Akio Fujiwara, and Shigeki Takeuchi
Realization of high-speed adaptive quantum state estimation
Jpn. J. Appl. Phys. 58 072001 (2019) - Toshiyuki Tashima, Hideaki Takashima, and Shigeki Takeuchi
Direct optical excitation of an NV center via a nanofiber Bragg-cavity: a theoretical simulation
Optics Express, 27, 27009-27016 (2019)
2018
- Hironaga Maruya, Yasuko Oe, Hideaki Takashima, Azusa N. Hattori, Hidekazu Tanaka, and Shigeki Takeuchi
Non-contact detection of nanoscale structures using optical nanofiber
Optics Express, 27, 367-276 (2019) - Avshalom C. Elitzur, Eliahu Cohen, Ryo Okamoto and Shigeki Takeuchi
Nonlocal Position Changes of a Photon Revealed by Quantum Routers
Sci. Rep. 8, 7730 (2018) - Kenta Sugiura, Ryo Okamoto, Labao Zhang, Lin Kang, Jian Chen, Peiheng Wu, Sai T. Chu, Brent E. Little and Shigeki Takeuchi
An on-chip photon-pair source with negligible two-photon absoprtion
Appl. Phys. Express 12 022006 (2019) - Hideaki Takashima, Atsushi Fukuda, Hironaga Maruya, Toshiyuki Tashima, Andreas W. Schell, and Shigeki Takeuchi
Fabrication of a nanofiber Bragg cavity with high quality factor using a focused helium ion beam
Optics Express, 27, 6792-6800 (2019) - 高島秀聡、竹内繁樹
これからの発光体制御 マイクロ共振器で光子を操る
パリティ 2018年8月号（vol.33 No.08）
2017
- Takayuki Kiyohara, Ryo Okamoto and Shigeki Takeuchi
Serial-parallel conversion for single photons with heralding signals (This paper is highlighted as an Editor's Pick.)
Optics Express, 25, 32443-32450 (2017) - Masazumi Fujiwara, Oliver Neitzke, Tim Schröder, Andreas W. Schell, Janik Wolters, Jiabao Zheng, Sara Mouradian, Mohamed Almoktar, Shigeki Takeuchi, Dirk Englund, and Oliver Benson
Fiber-Coupled Diamond Micro-Waveguides toward an Efficient Quantum Interface for Spin Defect Centers
ACS Omega 2017, 2, 7194-7202 - Ryo Okamoto, Satoshi Oyama, Koichi Yamagata, Akio Fujiwara, Shigeki Takeuchi
Experimental demonstration of adaptive quantum state estimation for single photonic qubits
Phys. Rev. A 96, 022124 (2017) - Takafumi Ono, Ryo Okamoto, Masato Tanida, Holger F. Hofmann, Shigeki Takeuchi
Implementation of a quantum controlled-SWAP gate with photonic circuits
Scientific Reports, 7, 45353 (2017) - Andreas W. Schell, Hideaki Takashima, Toan Trong Tran, Igor Aharonovich, and Shigeki Takeuchi
Coupling Quantum Emitters in 2D Materials with Tapered Fibers
Coupling Quantum Emitters in 2D Materials with Tapered Fibers
2016
- Takayuki Kiyohara, Ryo Okamoto and Shigeki Takeuchi
Realization of multiplexing of heralded single photon sources using photon number resolving detectors
Optics Express, 24, 27288-27297 (2016) - Satoshi Hara, Takafumi Ono, Ryo Okamoto, Takashi Washio and Shigeki Takeuchi
Quantum-state anomaly detection for arbitrary errors using a machine-learning technique
Phys. Rev. A 94, 042341 (2016) - Ryo Okamoto, and Shigeki Takeuchi
Experimental demonstration of a quantum shutter closing two slits simultaneously
Scientific Reports, 6, 35161 (2016) - Masazumi Fujiwara, Kazuma Yoshida, Tetsuya Noda, Hideaki Takashima, Andreas W Schell, Norikazu Mizuochi and Shigeki Takeuchi
Manipulation of single nanodiamonds to ultrathin fiber-taper nanofibers and control of NV-spin states toward fiber-integrated λ-systems
Nanotechnology, 27, 455202 (2016) - Andreas W. Schell, Toan Trong Tran, Hideaki Takashima, Shigeki Takeuchi, and Igor Aharonovich
Non-linear excitation of quantum emitters in hexagonal boron nitride multiplayers
APL Photonics, 1, 091302 (2016) - Hideaki Takashima, Masazumi Fujiwara, Andreas W. Schell, and Shigeki Takeuchi
Detailed numerical analysis of photon emission from a single light emitter coupled with a nanofiber Bragg cavity
Optics Express, 24, 15050 (2016) - T.Dehoux, K.Ishikawa, P. H Otsuka, M.Tomoda, O.Matsuda, M.Fujiwara, S.Takeuchi, I A.Veres, V. E Gusev and O. B Wright
Optical tracking of picosecond coherent phonon pulse focusing inside a sub-micron object
Light: Science & Applications 5, e16082 (2016)
2015
- Kazuhiko Kamitani, Takuya Muranaka, Hideaki Takashima, Masazumi Fujiwara, Utako Tanaka, Shigeki Takeuchi and Shinji Urabe
Measuring the charge density of a tapered optical fiber using trapped microparticles
Optics Express, 24, 4672 (2016) - Shigeki Takeuchi
Photonic quantum information : science and technology
Proceedings of the Japan Academy, Series B, 92, 29-43 (2016) - Masazumi Fujiwara, Hong-Quan Zhao, Tetsuya Noda, Kazuhiro Ikeda, Hitoshi Sumiya and Shigeki Takeuchi
Ultrathin fiber-taper coupling with nitrogen vacancy centers in nanodiamonds at cryogenic temperatures
Optics Letters, 40, 5702 (2015) - Masayuki Okano, Hwan Hong Lim, Ryo Okamoto, Norihiko Nishizawa, Sunao Kurimura and Shigeki Takeuchi
0.54 μm resolution two-photon interference with dispersion cancellation for quantum optical coherence tomography
Sci. Rep. 5, 18042 (2015) - Andreas W. Schell, Hideaki Takashima, Shunya Kamioka, Yasuko Oe, Masazumi Fujiwara, Oliver Benson and Shigeki Takeuchi
Highly Efficient Coupling of Nanolight Emitters to a Ultra-Wide Tunable Nanofibre Cavity
Sci. Rep. 5, 9619 (2015) - 岡本亮、岡野真之、竹内繁樹
量子もつれ光の光計測への応用
OplusE 2015年9月号（第430号） - 竹内繁樹、小野貴史、岡本亮
量子もつれ顕微鏡
応用物理 第84巻 第8号 (2015) - 竹内繁樹
2.2.2量子的な光の発生 2.2.3量子もつれ合い光子対と量子情報処理
発光の事典 基礎からイメージングまで 朝倉書店
2014
- Mohamed Almokhtar, Masazumi Fujiwara, Hideaki Takashima, and Shigeki Takeuchi
Numerical simulations of nanodiamond nitrogen-vacancy centers coupled with tapered optical fibers as hybrid quantum nanophotonic devices
Opt. Express 22(17), 20045-20059 (2014) - 竹内繁樹
多様な量子もつれの実現と新たな応用
日本物理学会誌, 69(12), 852-859 (2014) - 竹内繁樹
ナノ光ファイバーを用いた単一光子源
セラミックス, 49(8), 1-5 (2014)
2013
- Shigeki Takeuchi
Quantum Information Science Using Photons
AAPPS Bulletin 24(1), 19-25 (2014) - Shigeki Takeuchi
Recent progress in single-photon and entangled-photon generation and applications
Jpn. J. Appl. Phys. 53 030101 (2014) - Satoshi Hara, Takafumi Ono, Ryo Okamoto, Takashi Washio, and Shigeki Takeuchi
Anomaly detection in reconstructed quantum states using a machine-learning technique
Phys. Rev. A 89, 022104 (2013) - Hong-Quan Zhao, Masazumi Fujiwara, Masayuki Okano, and Shigeki Takeuchi
Observation of 1.2-GHz linewidth of zero-phonon-line in photoluminescence spectra of nitrogen vacancy centers in nanodiamonds using a Fabry-Perot interferometer
Opt. Express 21(24), 29679-29686 (2013) - Masayuki Okano, Ryo Okamoto, Akira Tanaka, Shutaro Ishida, Norihiko Nishizawa, and Shigeki Takeuchi
Dispersion cancellation in high-resolution two-photon interference
Phys. Rev. A 88, 043845 (2013) - Shanthi Subashchandran, Ryo Okamoto, Labao Zhang, Akira Tanaka, Masayuki Okano, Lin Kang, Jian Chen, Peiheng Wu, and Shigeki Takeuchi
Investigation of the Performance of an Ultralow-Dark-Count Superconducting Nanowire Single-Photon Detector
Jpn. J. Appl. Phys. 52, 102801 (2013) - Takafumi Ono, Ryo Okamoto, and Shigeki Takeuchi
An entanglement-enhanced microscope
Nat. Commun. 4, 2426 (2013)
2012
- Akira Tanaka, Ryo Okamoto, Hwan Hong Lim, Shanthi Subashchandran, Masayuki Okano, Labao Zhang, Lin Kang, Jian Chen, Peiheng Wu, Toru Hirohata, Sunao Kurimura, and Shigeki Takeuchi
Noncollinear parametric fluorescence by chirped quasi-phase matching for monocycle temporal entanglement
Opt. Express, 20(23), 25228-25238 (2012) - Masayuki Furuhashi, Masazumi Fujiwara, Takahito Ohshiro, Kazuki Matsubara, Makusu Tsutsui, Masateru Taniguchi, Shigeki Takeuchi, and Tomoji Kawai
Embedded TiO2 waveguides for sensing nanofluorophores in a microfluidic channel
Appl. Phys. Lett. 101, 153115 (2012) - Hong-Quan Zhao, Masazumi Fujiwara, and Shigeki Takeuchi
Effect of Substrates on the Temperature Dependence of Fluorescence Spectra of Nitrogen Vacancy Centers in Diamond Nanocrystals
Jpn. J. Appl. Phys. 51, 090110 (2012) - Ryo Okamoto, Minako Iefuji, Satoshi Oyama, Koichi Yamagata, Hiroshi Imai, Akio Fujiwara, and Shigeki Takeuchi
Experimental Demonstration of Adaptive Quantum State Estimation
Phys. Rev. Lett. 109, 130404 (2012) - Masazumi Fujiwara, Tetsuya Noda, Akira Tanaka, Kiyota Toubaru, Hong-Quan Zhao, and Shigeki Takeuchi
Coupling of ultrathin tapered fibers with high-Q microsphere resonators at cryogenic temperatures and observation of phase-shift transition from undercoupling to overcoupling
Opt. Express 20(17), 19545-19553 (2012) - Takashi Chiba, Hideki Fujiwara, Jun-ichi Hotta, Shigeki Takeuchi, Keiji Sasaki
Experimental evaluation of diffusion constant in a thin polymer film by triplet lifetime analysis of single molecules
Journal of Photochemistry and Photobiology A 238, 24-28 (2012) - Hong-Quan Zhao, Masazumi Fujiwara, and Shigeki Takeuchi
Suppression of fluorescence phonon sideband from nitrogen vacancy centers in diamond nanocrystals by substrate effect
Opt. Express 20(14), 15628-15635 (2012) - Masato Tanida, Ryo Okamoto, and Shigeki Takeuchi
Highly indistinguishable heralded single-photon sources using parametric down conversions
Opt. Express 20(14), 15275-15285 (2012) - Masayuki Okano, Ryo Okamoto, Akira Tanaka, Shanthi Subashchandran, and Shigeki Takeuchi
Generation of broadband spontaneous parametric fluorescence using multiple bulk nonlinear crystals
Opt. Express 20(13), 13977-13987 (2012) - Tim Schröder, Masazumi Fujiwara, Tetsuya Noda, Hong-Quan Zhao, Oliver Benson, and Shigeki Takeuchi
A nanodiamond-tapered fiber system with high single-mode coupling efficiency
Opt. Express 20(10), 10490-10497 (2012) - 竹内繁樹（翻訳者）
光コムを用いて、大規模な量子もつれ状態を実現
パリティ, 27（6）, 48－50（2012） - 竹内繁樹、岡本亮、岡野真之、Shanthi Subashchandran, 田中陽
分極反転光デバイスによる新しい光量子科学-モノサイクル量子もつれ光の実現に向けて
オプトロニクス, 31(371), 121-125 (2012) - 藤原正澄、竹内繁樹
ナノテーパ光ファイバを駆使した光量子デバイス
化学工業, 63(9), 25-30 (2012)
2011
- M. Fujuwara, K. Toubaru and S. Takeuchi
Optical transmittance degradation in tapered fibers
Optics Express, 19(9), 8596-8601, (2011) - Y. Miyamoto, D. Kawase, M. Takeda, S. Sasaki and S. Takeuchi
Detection of superposition in the orbital angular momentum of photons without excess components and its application in the verification of non-classical correlation
J.Opt., 13(6), 064027 (2011) - R. Okamoto, J.L. O'Brien, H.F. Hofmann and S. Takeuchi
Realization of a Knill-Laflamme-Milburn controlled-NOT photonic quantum circuit combining effective optical nonlinearities
PNAS, 108 (25), 10067-10071 (2011) - M.Furuhashi, M.Fujiwara, T.Ohshiro, M.Tsutsui, K.Matsubara, M.Taniguchi, S.Takeuchi and T.Kawai
Development of microfabricated TiO2 channel waveguides
AIP Advances, 1 (3), 032102 (2011) - M.Fujiwara, K.Toubaru, T.Noda, H.Q.Zhao and S.Takeuchi
Highly Efficient Coupling of Photons from Nanoemitters into Single-Mode Optical Fibers
Nano Lett. 11 (10), 4362-4365 (2011) - 竹内繁樹
光子を用いた量子情報科学と表面科学 表面科学, 32（12）773－778（2011）
表面科学, 32（12）773－778（2011） - 藤原秀樹、高島秀聡、竹内繁樹、笹木敬司
超高Q値微小光共振器の高周波数分解分光測定
分光研究, 60（6）236－237（2011）
2010
- H. Fujiwara, Y. Kawabe, R. Okamoto, S. Takeuchi and S.Sasaki
Quantum lithography under imperfect conditions: effects of loss and dephasing on two-photon interference fringes
J.Opt.Soc.Am.B, 28(3), 422-431, (2011) - A .Tanaka, T. Asai, K. Toubaru, H. Takashima, M. Fujiwara, R. Okamoto and S. Takeuchi
Phase shift spectra of a fiber-microsphere system at the single photon level
OPTICS EXPRESS, 19(3), 2257-2265, (2011) - H. Takashima, T. Asai, K. Toubaru, M. Fujiwara, S. Sasaki and S. Takeuchi
Fiber-microsphere system at cryogenic temperatures toward cavity QED using diamond NV centers
OPTICS EXPRESS(OSA), 18(14), 15169-15173,(2010) - P. Kalasuwan, G. Mendoza, A. Laing, T. Nagata, J. Coggins, M. Callaway, S. Takeuchi, A. Stefanov and J.L. O'Brien
Simple scheme for expanding photonic cluster states for quantum information
J.Opt.Soc.Am.B, 27(6), A181-A184, (2010) - T. Nagata, R. Okamoto, H.F. Hofmann, and S. Takeuchi
Analysis of experimental error sources in a linear-optics quantum gate
New Journal of Physics, 12, 43053/1-43053/17, (2010)
2009
- H. Oka, H. Fujiwara, S. Takeuchi and S. Sasaki
Nonlinear optical phase shift obtained from two-level atoms confined in a planar microcavity
J.Appl.Phys, 107(5), 054310/1-054310/6,(2010) - T. Chiba, H. Fujiwara, J. Hotta, S. Takeuchi and S.Sasaki
Dynamical Analysis of Triplet Lifetime of Single Molecules by a Photon Interdetection Time Analysis Method
J.Phys.Chem.C, 113, 11652-11656, (2009) - 竹内繁樹、岡本亮
光量子回路の実現－量子もつれ合いフィルター
応用物理, 79, 125-129, (2010) - 竹内繁樹
専門外の学問を学ぶこつ －情報系で物理が必要になったとき－
電子情報通信学会誌, 92, 1076-1078, (2009) - 竹内繁樹
光量子回路の現状と展望 ＝光子を用いた量子コンピュータ、量子メトロロジーの実現に向けて＝
光アライアンス 光技術の融合と活用のための情報ガイドブック, 20, 15-20, (2009)
2008
下記の研究は、JST-CREST 量子情報処理の支援を受けて実施した成果です。- D. Kawase, Y. Miyamoto, M. Takeda, K. Sasaki and S. Takeuchi
Effect of high-dimensional entanglement of Laguerre-Gaussian modes in parametric downconversion
J. Opt. Soc. Am. B, 323, 483-485, (2009) - R. Okamoto, J. L.. O'Brien, H. F. Hofmann, T. Nagata, K. Sasaki and S. Takeuchi
An Entanglement Filter
Science, 323, 483-485, (2009) - D. Kawase, Y. Miyamoto, M. Takeda, K. Sasaki, and S. Takeuchi
Observing Quantum Correlation of Photons in Laguerre-Gauss Modes Using the Gouy Phase
Phys. Rev. Lett., 101, 050501/1-050501/4, (2008) - R. Okamoto, H. F. Hofmann, T. Nagata, J. L.. O'Brien, K. Sasaki and S. Takeuchi
Beating the standard quantum limit: phase super-sensitivity of N-photon interferometers
New J. Phys., 10, 073033/1-073033/9, (2008). - 高島秀聡、藤原英樹、笹木敬司、竹内繁樹
「ファイバー結合微小球共振器を用いた固体量子位相ゲートの実現に向けて」
光学, 37, 686-691, (2007) - 竹内繁樹
「光子の量子状態を自在に操る－光量子ゲートと光量子回路－」
レーザー研究, 36, 1-5, (2008) - 竹内繁樹
「単一光子を自在に操る-量子情報、量子計測への応用-」
応用物理, 77, 129-135, (2008) - 竹内繁樹
「光量子ICの出現」
パリティ, 24, 11-12, (2009)
2007
下記の研究は、JST-CREST 量子情報処理の支援を受けて実施した成果です。- H. Takashima, H. Fujiwara, S. Takeuchi, K. Sasaki and M. Takahashi
Control of spontaneous emission coupling factor βin fiber-coupled microsphere resonators
Appl. Phys. Lett., 92(7), 07115/1-07115/3, (2008) - Y. Kawabe, H. Fujiwara, R. Okamoto, K. Sasaki and S. Takeuchi
Quantum interference fringes beating the diffraction limit
Opt.Exp., 15(21), 14244-14250, (2007) - Y. Kawabe, H. Fujiwara, S. Takeuchi and K. Sasaki
Investigation of the Spatial Propagation Properties of Type-I Parametric Fluorescence by Use of Tuning Curve Filtering Method
Jpn. J. Appl. Phys., 46(9A), 5802-5808, (2007) - T. Nagata, R. Okamoto, J. L. O'Brien, K. Sasaki and S. Takeuchi
Beating the Standard Quantum Limit with Four Entangled Photons
Science., 316, 726-729, (2007) - 竹内繁樹
「光子を自在に操り光量子コンピュータの実現を目指す」
化学(CHEMISTRY), 62, 39-42, (2007)
2006
- 竹内繁樹
2005年光学界の進展 「6. 量子光学・非線形光学」
光学 35, 4, 187-188 (2006) - R. Okamoto, S. Takeuchi and K. Sasaki
Tailoring two-photon interference with phase dispersion
Phys. Rev. A 74, 011801/1-4 (2006)
→詳細 - H. Takashima, H. Fujiwara, J. Hotta, S. Takeuchi, K. Sasaki, S. Murakami, T. Torimoto and B. Ohtani
Analysis of quantum dot fluorescence coupled with a microsphere resonator
Jpn. J. Appl. Phys. 45, 9A, 6917-6921 (2006) - H. Konishi, H. Fujiwara, S. Takeuchi and K. Sasaki
Polarization-discriminated spectra of a fiber-microsphere system
Phys. Rev. A 74, 011801/1-4 (2006)
→詳細 - 岡本亮
経路干渉を不用とした光量子制御ノットゲート
応用物理 75, 11, 1340-1344 (2006) - 竹内 繁樹
量子コンピュータ －その本質と、最近の研究展開
情報処理, 62, 39-42 (2006) - 竹内 繁樹
第3部 第1章 光子を用いた量子回路へ向けて－量子ゲート素子、単一光子源、光子数検出器－
量子情報通信, 219-237 (2006) - A. Soujaeff, S. Takeuchi, K. Sasaki, T. Hasegawa and M. Matsui
Heralded single photon source at 1550 nm from pulsed parametric down conversion
J. Mod. Opt. 54, 2&3, 467-475 (2007) - A. Soujaeff, T. Nishioka, T. Hasegawa, S. Takeuchi, T. Tsurumaru, K. Sasaki and M. Matsui
Quantum key distribution at 1550 nm using a pulse heralded single photon source
OPT. EXP. 15, 2, 726-734 (2007) - H. Fujiwara, Y. Kawabe, S. Takeuchi and K. Sasaki
Numerical analysis of spatial propagation of parametric fluorescence photon-pairs using the tuning curve filtering method
Phys. Rev. A, 75, 023802/1-8 (2007)
→詳細 - H. Takashima, H. Fujiwara, S. Takeuchi, K. Sasaki and M. Takahashi
Fiber-microsphere laser with a submicrometer sol-gel silica glass layer codoped with erbium, aluminum, and phosphorus
Appl. Phys. Lett., 90, 1, 053709/1-053709/3 (2007)
→詳細
2005
下記の研究は、JST-CREST 量子情報処理の支援を受けて実施した成果です。- A. Chiba, H. Fujiwara, J. Hotta, S. Takeuchi and K. Sasaki
Fano resonance in a multimode tapered fiber coupled with a microspherical cavity
Appl. Phys. Lett. 86,26,261106/1-3 (2005)
→詳細 - H. Oka, S. Takeuchi and K. Sasaki
Optical response of two-level atoms with reflection geometry as a model of a quantum phase gate
Phys. Rev. A 72,013816/1-7 (2005)
→詳細 - 竹内繁樹
実用的な量子コンピューター実現への道程 -横たわるボトルネックと、光子を用いる方法の現状-
応用物理 特集「応用物理における計算科学の現状と将来展望」,74,8,1069-1074(2005) - 竹内繁樹
光子量子回路の実現に向けて：量子ゲート素子と光子数検出器
オプトロニクス（OPTRONICS）,24,285,154-157(2005) - R. Okamoto, S. Takeuchi and K. Sasaki
Detailed analysis of a single-photon source using gated spontaneous parametric downconversion
Journal of the Optical Society of America B , 22, 11, 2393-2401(2005) - R. Okamoto, H. F. Hofmann, S. Takeuchi and K. Sasaki
Demonstration of an optical quantum controlled-NOT gate without path interference
Physical Review Letters,95,21,210506/1-4 (2005)
→詳細
2004
- K. Tsujino, H. F. Hofmann, S. Takeuchi and K. Sasaki
Distinguishing genuine entangled two-photon-polarization states from independently generated pairs of entangled photons
Phys. Rev. Lett. 92, 15, 153602/1-153602/4 (2004).
→詳細 - H. F. Hofmann and S. Takeuchi
Quantum-state tomography for spin-l systems
Phys. Rev. A, 69, 042108/1-042108/8 (2004).
→詳細 - 竹内繁樹
線形光学素子を用いた量子コンピューティング
光学, 33, 5, 284(22)-290(28) (2004). - A. Chiba, H. Fujiwara, J. Hotta, S. Takeuchi and K. Sasaki
Resonant frequency control of a microspherical cavity by temperature adjustment
Jpn. J. Appl. Phys. 43,9A,6138-6141 (2004) - K. Kojima, H. F. Hofmann, S. Takeuchi and K. Sasaki
Efficiencies for the single-mode operation of a quantum optical nonlinear shift gate
Phys. Rev. A 70,013810/1-013810/6 (2004)
→詳細 - H. F. Hofmann
Generation of highly nonclassical n-photon polarization states by superbunching at a photon bottleneck
Phys. Rev. A 70,023812/1-023812/7 (2004) - S. Takeuchi, R. Okamoto and K. Sasaki
High-yield single-photon source using gated spontaneous parametric downconversion
Appl. Opt. 43,30,5708-5711 (2004) - H. Oka, H. F. Hofmann, S. Takeuchi and K. Sasaki
Effects of decoherence on the nonlinear optical phase shift obtained from a one-dimensional atom
Jpn. J. Appl. Phys. 43,11A,7495-7500 (2004) - K. Kojima, H. F. Hofmann, S. Takeuchi and K. Sasaki
A study on the shape of two-photon wavefunctions after the nonlinear interaction with a one-dimensional atom
Nonlinear Optics, Quantum Optics 32,4,221-245 - 竹内繁樹
量子コンピュータ 超並列計算のからくり
BLUE BACKSシリーズ(2005)
2003
- H. F. Hofmann, K. Kojima, S. Takeuchi and K. Sasaki
Optimized phase switching using a single atom nonlinearity
Journal of Optics B: Quantum and semiclassical optics. 5, 218-221 (2003) - K. Kojima, H. F. Hofmann, S. Takeuchi and K. Sasaki
Nonlinear interaction of two photons at a one-dimensional atom: spatiotemporal quantum coherence in the emitted field
Phys. Rev. A. 68, 1, 013803/1-013803/13 (2003)
→詳細 - H. F. Hofmann
Uncertainty characteristics of generalized quantum measurements
Phys. Rev. A. 67, 022106/1-022106/8 (2003) - H. F. Hofmann and S. Takeuchi
Violation of local uncertainty relations as a signature of entanglement
Phys. Rev. A. 68, 032103/1-032103/6 (2003)
→詳細 - H. F. Hofmann, K. Kojima, S. Takeuchi and K. Sasaki
Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom
Phys. Rev. A. 68, 043813/1-043813/7 (2003)
→詳細 - H. F. Hofmann
Bound entangled states violate a nonsymmetric local uncertainty relation
Phys. Rev. A. 68, 034307/1-034307/4 (2003) - 竹内繁樹
II 量子計算と量子情報理論 量子計算の実験
別冊・数理科学 量子情報科学とその展開 量子コンピュータ・暗号・情報通信, 57-63 (2003). - 竹内繁樹
V 量子情報通信 量子計算・量子情報通信の未来と展望
別冊・数理科学 量子情報科学とその展開 量子コンピュータ・暗号・情報通信, 191-198 (2003). - 竹内繁樹
特集：光技術の極限をめざして 量子コンピューター -光の量子的な性質の究極の応用-
O plus E, 26, 1, 53-57 (2003) - 竹内繁樹
ナノテクノロジー大辞典（分担執筆）4.15 量子コンピュータ
工業調査会 (2003)
2002
- K. Tsujino, S. Takeuchi and K. Sasaki
Detailed analysis of the fidelity of quantum teleportation using photons: considering real experimental parameters
Phys. Rev. A. 66, 4, 042314/1-042314/6 (2002)
→詳細 - H. F. Hofmann and S. Takeuchi
Quantum phase gate for photonic qubits using only beam splitters and postselection
Phys. Rev. A. 66, 024308/1-024308/3 (2002)
→詳細 - H. F. Hofmann and S. Takeuchi
Quantum filter for nonlocal polarization properties of photonic qubits
Phys. Rev. Lett. 88, 14, 147901/1-147901-4 (2002)
→詳細 - T. Ide, Holger F. Hofmann, A. Furusawa, T. Kobayashi
Gain tuning and fidelity in continuous-variable quantum teleportation
Phys. Rev. A. 65, 062303/1-062303/7 (2002) - Holger F. Hofmann
Causality in quantum teleportation: Information extraction and noise effects in entanglement distribution
Phys. Rev. A. 66, 032317/1-032317/1 (2002) - S. Takeuchi
I wish to be a photon juggler
JSAP International(Japan Society of Applied Physics International), 7, 25-26 (2002) - 竹内繁樹
量子コンピューター研究の近況レポート
応用物理, 71, 11, 1367-1371 (2002) - S. Takeuchi
Chemistry of nanomolecular systems: towards the realization of nanomolecular devices（分担執筆）Chap. 11:
Nanodevices for quantum compution using photons
Springer (2002)
2001
- S. Takeuchi
A Simple quantum computer: experimental realization of quantum computation algorithms with linear optics
Electronics and Communications in Japan. 84, 3, 52-59 (2001) - S. Takeuchi
Beamlike twin-photon generation using type II parametric downconversion
Opt. Lett. 26, 11, 843-845 (2001) - Holger F. Hofmann, T. Ide, T. Kobayashi and A. Furusawa
Information losses in continuous-variable quantum teleportation
Phys. Rev. A, 64, 040301/1-040301/4 (2001) - T. Ide, Holger F. Hofmann, T. Kobayashi and A. Furusawa
Continuous-variable teleportation of single-photon states
Phys. Rev. A, 65, 012313/1-012313/5 (2001) - T. Hasegawa, T. Nishioka, H.Ishizuka, J.Abe, K. Shimizu, M. Matsui and S. Takeuchi
An experimental realization of quantum cryptosystem
IEICE Trans. Fundamentals. E85-A, 1, 149-157 (2001) - 竹内繁樹
量子計算ってなに？
システム/制御/情報, 45, 6, 351-352 (2001) - 竹内繁樹
量子計算、量子情報通信の未来と展望
数理科学, 39, 6, 64-71 (2001) - 竹内繁樹
量子計算と量子情報通信 - 何が可能になるのか -
電子情報通信学会誌, 84, 1, 17-25 (2001) - 竹内繁樹
量子計算、量子暗号の現状と今後
ESTRELA（エストレーラ）, 1-10 (2001) - 竹内繁樹
量子情報デバイスとナノテクノロジー
機能材料, 22, 1, 44, 51 (2001)
2000
- S. Takeuchi
Experimental demonstration of a three-qubit quantum computation algorithm using a single photon and linear optics
Phys. Rev. A. 62, 032301/1-032301/4 (2000)
→詳細 - S. Takeuchi
Analysis of errors in linear-optics quantum computation
Phys. Rev. A. 61, 052302/1-052302/15 (2000)
→詳細 - 竹内繁樹
光子を用いた量子計算
レーザー研究, 28, 10, 671-676 (2000) - 竹内繁樹
光量子ビットを用いた量子計算機
光学, 29, 12, 745-750 (2000)
1999
- S. Takeuchi, J. Kim, Y. Yamamoto, and H. H. Hogue,
Development of a High-Quantum-Efficiency Single-Photon Counting System
Appl. Phys. Lett. 74, 1063-1065 (1999)
→詳細 - J. Kim, S. Takeuchi, Y. Yamamoto, and H. H. Hogue,
Multiphoton detection using visible light photon counter
Appl. Phys. Lett. 74, 902-904 (1998)
→詳細 - 竹内繁樹
「量子計算機」の現状と今後
情報処理, 40, 1192-1197 (1999) - 竹内繁樹、井須俊郎
量子計算の実現にむけて
応用物理学会誌, 68, 1038-1041 (1999) - 竹内繁樹
21世紀、量子猫は計算をするか？
日本物理学会誌, 54, 263-274 (1999)
1998
- 竹内繁樹
線形光学素子を用いた、量子計算アルゴリズムの実現
電子情報通信学会論文誌A, J81-A,1644-1651 (1998) - 竹内繁樹
量子計算の実験
数理科学, 424, no.10, 36-42 (1998) - 竹内繁樹
速解 光サイエンス辞典（分担執筆）スクィーズド光
オプトロニクス社 (1998)
1997
- S. Takeuchi, M. Fukuoka, Y. Gomi, M. Maeda, and H. Watanabe
An application of magnetic resonance imaging to the real time measurement of the change of moisture profile in a rice grain during boiling - S. Takeuchi, M. Maeda, Y. Gomi, M. Fukuoka, and H. Watanabe
The change of moisture distribution in a rice grain during boiling as observed by NMR imaging Journal of Food Engineering. 33, 281-297 (1997)