論文リスト

2022

133.

Rintaro Fujimoto; Tomohiro Yamazaki; Toshiki Kobayashi; Shigehito Miki; Fumihiro China; Hirotaka Terai; Rikizo Ikuta; Takashi Yamamoto

Entanglement distribution using a biphoton frequency comb compatible with DWDM technology (Journal Article)

In: Optics Express, vol. 30, no. 20, pp. 36711–36716, 2022.

(Abstract | Links | BibTeX | タグ: entanglement, optical cavity, quantum internet)

132.

Tomohiro Yamazaki; Rikizo Ikuta; Toshiki Kobayashi; Shigehito Miki; Fumihiro China; Hirotaka Terai; Nobuyuki Imoto; Takashi Yamamoto

Massive-mode polarization entangled biphoton frequency comb (Journal Article)

In: Scientific Reports, vol. 12, no. 8964, pp. 1 – 8, 2022.

(Links | BibTeX | タグ: entanglement, optical cavity)

131.

Fumiyoshi Kobayashi; Kosuke Mitarai; Keisuke Fujii

Parent Hamiltonian as a benchmark problem for variational quantum eigensolvers (Journal Article)

In: Phys. Rev. A, vol. 105, iss. 5, no. 052415, 2022.

(Abstract | Links | BibTeX | タグ: Quantum algorithms, Quantum benchmarking)

130.

Rikizo Ikuta; Masayo Yokota; Toshiki Kobayashi; Nobuyuki Imoto; Takashi Yamamoto

Optical Frequency Tweezers (Journal Article)

In: Physical Review Applied, vol. 17, pp. 034012, 2022.

(Abstract | Links | BibTeX | タグ: optical cavity, quantum frequency conversion)

129.

Toshiki Kobayashi; Motoki Asano; Rikizo Ikuta; Sahin K. Ozdemir; Takashi Yamamoto

Photonic Quantum Interfaces Among Different Physical Systems (Book Chapter)

In: Yoshiro Hirayama; Koji Ishibashi; Kae Nemoto (Ed.): Hybrid Quantum Systems , pp. 197-218, Springer, Singapore, 2022, ISBN: 978-981-16-6679-7.

(Links | BibTeX | タグ: atom, entanglement, multi-photon interference, optical cavity, optomechanics, quantum frequency conversion, quantum repeater)

2021

128.

Rintaro Fujimoto; Shoichi Murakami; Toshiki Kobayashi; Rikizo Ikuta; Shigehito Miki; Shigeyuki Miyajima; Masahiro Yabuno; Fumihiro China; Hirotaka Terai; Nobuyuki Imoto; Takashi Yamamoto

Entangled photon pair detection by superconducting nanowire single-photon detectors with a single-flux-quantum coincidence circuit (Journal Article)

In: Appl. Phys. Express, vol. 14, no. 10, pp. 102001, 2021.

(Abstract | Links | BibTeX | タグ: entanglement, superconducting detector)

127.

Rikizo Ikuta; Toshiki Kobayashi; Tomohiro Yamazaki; Nobuyuki Imoto; Takashi Yamamoto

Cavity-enhanced broadband photonic Rabi oscillation (Journal Article)

In: Physical Review A, vol. 103, pp. 033709, 2021.

(Abstract | Links | BibTeX | タグ: optical cavity, quantum frequency conversion)

2020

126.

Koichiro Miyanishi; Yoshiaki Tsujimoto; Rikizo Ikuta; Shigehito Miki; Masahiro Yabuno; Taro Yamashita; Hirotaka Terai; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Robust entanglement distribution via telecom fibre assisted by an asynchronous counter-propagating laser light (Journal Article)

In: npj Quantum Information, vol. 6, no. 44, 2020.

(Abstract | Links | BibTeX | タグ: entanglement)

2019

125.

Rikizo Ikuta; Ryoya Tani; Masahiro Ishizaki; Shigehito Miki; Masahiro Yabuno; Hirotaka Terai; Nobuyuki Imoto; Takashi Yamamoto

Frequency-Multiplexed Photon Pairs Over 1000 Modes from a Quadratic Nonlinear Optical Waveguide Resonator with a Singly Resonant Configuration (Journal Article)

In: Phys. Rev. Lett., vol. 123, pp. 193603, 2019.

(Abstract | Links | BibTeX | タグ: optical cavity)

124.

Shigehito Miki; Shigeyuki Miyajima; Masahiro Yabuno; Taro Yamashita; Takashi Yamamoto; Nobuyuki Imoto; Rikizo Ikuta; Robert Andrew Kirkwood; Robert Hadfield; Hirotaka Terai

Timing jitter characterization of the SFQ coincidence circuit by optically time-controlled signals from SSPDs (Journal Article)

In: IEEE Transactions on Applied Superconductivity , vol. 29, no. 1302104 , 2019, ISSN: 1051-8223 .

(Links | BibTeX | タグ: superconducting detector)

123.

Takashi Yamamoto

Quantum Information Processing with Superconducting Nanowire Single-Photon Detectors (Journal Article)

In: IEICE TRANS. ELECTRON., vol. E102–C, no. 3, pp. pp.224-229, 2019, ISSN: 1745-1353.

(Links | BibTeX | タグ: superconducting detector)

122.

Yasushi Hasegawa; Rikizo Ikuta; Nobuyuki Matsuda; Kiyoshi Tamaki; Hoi-Kwong Lo; Takashi Yamamoto; Koji Azuma; Nobuyuki Imoto

Experimental time-reversed adaptive Bell measurement towards all-photonic quantum repeaters (Journal Article)

In: Nature Communications , vol. 10, pp. 378, 2019.

(Links | BibTeX | タグ: quantum repeater)

121.

Akihiro Mizutani; Go Kato; Koji Azuma; Marcos Curty; Rikizo Ikuta; Takashi Yamamoto; Nobuyuki Imoto; Hoi-Kwong Lo; Kiyoshi Tamaki

Quantum key distribution with setting-choice-independently correlated light sources (Journal Article)

In: npj Quantum Information, vol. 5, pp. 8, 2019.

(Links | BibTeX | タグ: quantum cryptography)

2018

120.

S. Miki; S. Miyajima; M. Yabuno; T. Yamashita; T. Yamamoto; N. Imoto; R. Ikuta; R. A. Kirkwood; R. H. Hadfield; H. Terai

Superconducting coincidence photon detector with short timing jitter (Journal Article)

In: Appl. Phys. Lett., vol. 112, pp. 262601, 2018.

(Links | BibTeX | タグ: superconducting detector)

119.

Rikizo Ikuta; Motoki Asano; Ryoya Tani; Takashi Yamamoto; Nobuyuki Imoto

Frequency comb generation in a quadratic nonlinear waveguide resonator (Journal Article)

In: Optics Express, vol. 26, no. 12, pp. 15551–15558, 2018.

(Links | BibTeX | タグ: optical cavity)

118.

Rikizo Ikuta; Toshiki Kobayashi; Tetsuo Kawakami; Shigehito Miki; Masahiro Yabuno; Taro Yamashita; Hirotaka Terai; Masato Koashi; Tetsuya Mukai; Takashi Yamamoto; Nobuyuki Imoto

Polarization insensitive frequency conversion for an atom-photon entanglement distribution via a telecom network (Journal Article)

In: Nature Communications, vol. 9, pp. 1997, 2018.

(Links | BibTeX | タグ: atom, quantum frequency conversion)

117.

Thomas Walker; Koichiro Miyanishi; Rikizo Ikuta; Hiroki Takahashi; Samir Vartabi Kashanian; Yoshiaki Tsujimoto; Kazuhiro Hayasaka; Takashi Yamamoto; Nobuyuki Imoto; Matthias Keller

Long-Distance Single Photon Transmission from a Trapped Ion via Quantum Frequency Conversion (Journal Article)

In: Phys. Rev. Lett., vol. 120, pp. 203601, 2018.

(Links | BibTeX | タグ: atom, quantum frequency conversion)

116.

Motoki Asano; Ryuichi Ohta; Takashi Yamamoto; Hajime Okamoto; Hiroshi Yamaguchi

An opto-electro-mechanical system based on evanescently-coupled optical microbottle and electromechanical resonator (Journal Article)

In: Appl. Phys. Lett. , vol. 112, pp. 201103, 2018.

(Links | BibTeX | タグ: optical cavity, optomechanics)

115.

S. A. Uriri; T. Tashima; X. Zhang; M. Asano; M. Bechu; D. Ö. Güney; T. Yamamoto; Ş. K. Özdemir; M. Wegener; M. S. Tame

Active control of a plasmonic metamaterial for quantum state engineering (Journal Article)

In: Phys. Rev. A, vol. 97, pp. 053810, 2018.

(Links | BibTeX | タグ: metamaterial)

114.

Yoshiaki Tsujimoto; Motoki Tanaka; Nobuo Iwasaki; Rikizo Ikuta; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

High-fidelity entanglement swapping and generation of three-qubit GHZ state using asynchronous telecom photon pair sources (Journal Article)

In: Scientific reports, vol. 8, no. 1, pp. 1446, 2018.

(Links | BibTeX | タグ: multi-photon interference)

113.

Le Bin Ho; Nobuyuki Imoto

Quantum weak and modular values in enlarged Hilbert spaces (Journal Article)

In: Phys. Rev. A, vol. 97, pp. 012112, 2018.

(Links | BibTeX | タグ: )

2017

112.

Tomoyuki Morimae; Yuki Takeuchi; Masahito Hayashi

Verification of hypergraph states (Journal Article)

In: Phys. Rev. A, vol. 96, pp. 062321, 2017.

(Links | BibTeX | タグ: )

111.

Kiyoshi Tamaki; Hoi-Kwong Lo; Akihiro Mizutani; Go Kato; Charles Ci Wen Lim; Koji Azuma; Marcos Curty

Security of quantum key distribution with iterative sifting (Journal Article)

In: Quantum Science and Technology, vol. 3, no. 1, pp. 014002, 2017.

(Abstract | Links | BibTeX | タグ: )

110.

Akihiro Mizutani; Toshihiko Sasaki; Go Kato; Yuki Takeuchi; Kiyoshi Tamaki

Information-theoretic security proof of differential-phase-shift quantum key distribution protocol based on complementarity (Journal Article)

In: Quantum Science and Technology, vol. 3, no. 1, pp. 014003, 2017.

(Abstract | Links | BibTeX | タグ: quantum cryptography)

109.

Toshiki Kobayashi; Daisuke Yamazaki; Kenichiro Matsuki; Rikizo Ikuta; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Mach-Zehnder interferometer using frequency-domain beamsplitter (Journal Article)

In: Opt. Express, vol. 25, no. 10, pp. 12052–12060, 2017.

(Abstract | Links | BibTeX | タグ: quantum frequency conversion)

108.

Yoshiaki Tsujimoto; Yukihiro Sugiura; Motoki Tanaka; Rikizo Ikuta; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Mikio Fujiwara; Takashi Yamamoto; Masato Koashi; Masahide Sasaki; Nobuyuki Imoto

High visibility Hong-Ou-Mandel interference via a time-resolved coincidence measurement (Journal Article)

In: Opt. Express, vol. 25, no. 11, pp. 12069–12080, 2017.

(Abstract | Links | BibTeX | タグ: multi-photon interference)

107.

Rikizo Ikuta; Shota Nozaki; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Experimental demonstration of robust entanglement distribution over reciprocal noisy channels assisted by a counter-propagating classical reference light (Journal Article)

In: Scientific Reports, vol. 7, no. 1, pp. 4819, 2017.

(Links | BibTeX | タグ: multi-photon interference)

106.

Yuki Hatakeyama; Akihiro Mizutani; Go Kato; Nobuyuki Imoto; Kiyoshi Tamaki

Differential-phase-shift quantum-key-distribution protocol with a small number of random delays (Journal Article)

In: Phys. Rev. A, vol. 95, pp. 042301, 2017.

(Links | BibTeX | タグ: quantum cryptography)

105.

Le Bin Ho; Nobuyuki Imoto

Generalized modular-value-based scheme and its generalized modular value (Journal Article)

In: Phys. Rev. A, vol. 95, pp. 032135, 2017.

(Links | BibTeX | タグ: )

2016

104.

Kazuhiro Yokota; Nobuyuki Imoto

When a negative weak value −1 plays the counterpart of a probability 1 (Journal Article)

In: New Journal of Physics, vol. 18, no. 12, pp. 123002, 2016.

(Abstract | Links | BibTeX | タグ: )

103.

Motoki Asano; Shoichi Komori; Rikizo Ikuta; Nobuyuki Imoto; Şahin K Özdemir; Takashi Yamamoto

Visible light emission from a silica microbottle resonator by second- and third-harmonic generation (Journal Article)

In: Opt. Lett., vol. 41, no. 24, pp. 5793–5796, 2016.

(Abstract | Links | BibTeX | タグ: optical cavity)

102.

Yuki Takeuchi; Yasuhiro Takahashi

Ancilla-driven instantaneous quantum polynomial time circuit for quantum supremacy (Journal Article)

In: Phys. Rev. A, vol. 94, pp. 062336, 2016.

(Links | BibTeX | タグ: )

101.

Rikizo Ikuta; Toshiki Kobayashi; Kenichiro Matsuki; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Takashi Yamamoto; Masato Koashi; Tetsuya Mukai; Nobuyuki Imoto

Heralded single excitation of atomic ensemble via solid-state-based telecom photon detection (Journal Article)

In: Optica, vol. 3, no. 11, pp. 1279–1284, 2016, (press release by Osaka univ.).

(Abstract | Links | BibTeX | タグ: atom, quantum frequency conversion)

100.

Motoki Asano; Konstantin Y Bliokh; Yury P Bliokh; Abraham G Kofman; Rikizo Ikuta; Takashi Yamamoto; Yuri S Kivshar; Lan Yang; Nobuyuki Imoto; Şahin K Özdemir; Franco Nori

Anomalous time delays and quantum weak measurements in optical microresonators (Journal Article)

In: Nature communications, vol. 7, pp. 13488, 2016.

(Links | BibTeX | タグ: optical cavity)

99.

Koji Azuma; Akihiro Mizutani; Hoi-Kwong Lo

Fundamental rate-loss trade-off for the quantum internet (Journal Article)

In: Nature communications, vol. 7, pp. 13523, 2016.

(Links | BibTeX | タグ: )

98.

Motoaki Bamba; Kunihiro Inomata; Yasunobu Nakamura

Superradiant Phase Transition in a Superconducting Circuit in Thermal Equilibrium (Journal Article)

In: Phys. Rev. Lett., vol. 117, pp. 173601, 2016.

(Links | BibTeX | タグ: )

97.

Taro Yamashita; Kentaro Waki; Shigehito Miki; Robert A Kirkwood; Robert H Hadfield; Hirotaka Terai

Superconducting nanowire single-photon detectors with non-periodic dielectric multilayers (Journal Article)

In: Scientific reports, vol. 6, pp. 35240, 2016.

(Links | BibTeX | タグ: superconducting detector)

96.

Motoaki Bamba; Nobuyuki Imoto

Maxwell boundary conditions imply non-Lindblad master equation (Journal Article)

In: Phys. Rev. A, vol. 94, pp. 033802, 2016.

(Links | BibTeX | タグ: )

95.

Yasutaka Imai; Tatsuya Nishi; Masatoshi Nishizaki; Sho Kawajiri; Yuto Muroki; Rikizo Ikuta; Kai Matsumoto; Masao Kitano; Kazuhiko Sugiyama

Single‐ion spectroscopy system for the 2S1/2(F = 0) − 2D3/2(F = 2) transition in 171Yb+ (Journal Article)

In: Radio Science, vol. 51, no. 8, pp. 1385-1395, 2016.

(Abstract | Links | BibTeX | タグ: )

94.

Motoki Asano; Yuki Takeuchi; Weijian Chen; Şahin K Özdemir; Rikizo Ikuta; Nobuyuki Imoto; Lan Yang; Takashi Yamamoto

Observation of optomechanical coupling in a microbottle resonator (Journal Article)

In: Laser & Photonics Reviews, vol. 10, no. 4, pp. 603-611, 2016.

(Abstract | Links | BibTeX | タグ: optical cavity, optomechanics)

93.

Yuki Takeuchi; Keisuke Fujii; Rikizo Ikuta; Takashi Yamamoto; Nobuyuki Imoto

Blind quantum computation over a collective-noise channel (Journal Article)

In: Phys. Rev. A, vol. 93, pp. 052307, 2016.

(Links | BibTeX | タグ: )

92.

Motoki Asano; Yuki Takeuchi; Şahin K Özdemir; Rikizo Ikuta; Lan Yang; Nobuyuki Imoto; Takashi Yamamoto

Stimulated Brillouin scattering and Brillouin-coupled four-wave-mixing in a silica microbottle resonator (Journal Article)

In: Opt. Express, vol. 24, no. 11, pp. 12082–12092, 2016.

(Abstract | Links | BibTeX | タグ: optical cavity, optomechanics)

91.

Yuichi Nagamatsu; Akihiro Mizutani; Rikizo Ikuta; Takashi Yamamoto; Nobuyuki Imoto; Kiyoshi Tamaki

Security of quantum key distribution with light sources that are not independently and identically distributed (Journal Article)

In: Phys. Rev. A, vol. 93, pp. 042325, 2016.

(Links | BibTeX | タグ: quantum cryptography)

90.

Toshiki Kobayashi; Rikizo Ikuta; Shuto Yasui; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Frequency-domain Hong-Ou-Mandel interference (Journal Article)

In: Nature Photonics, vol. 10, no. 7, pp. 441, 2016, (press release by Osaka univ. (see "Links")).

(Links | BibTeX | タグ: press, quantum frequency conversion)

89.

Motoki Asano; Şahin K Özdemir; Weijian Chen; Rikizo Ikuta; Lan Yang; Nobuyuki Imoto; Takashi Yamamoto

Controlling slow and fast light and dynamic pulse-splitting with tunable optical gain in a whispering-gallery-mode microcavity (Journal Article)

In: Applied Physics Letters, vol. 108, no. 18, pp. 181105, 2016.

(Links | BibTeX | タグ: optical cavity)

88.

Le Bin Ho; Nobuyuki Imoto

Full characterization of modular values for finite-dimensional systems (Journal Article)

In: Physics Letters A, vol. 380, no. 25, pp. 2129 - 2135, 2016, ISSN: 0375-9601.

(Links | BibTeX | タグ: )

2015

87.

Motoki Asano; Muriel Bechu; Mark Tame; Şahin K Özdemir; Rikizo Ikuta; Durdu Ö Güney; Takashi Yamamoto; Lan Yang; Martin Wegener; Nobuyuki Imoto

Distillation of photon entanglement using a plasmonic metamaterial (Journal Article)

In: Scientific reports, vol. 5, pp. 18313, 2015.

(Links | BibTeX | タグ: entanglement, metamaterial)

86.

Akihiro Mizutani; Nobuyuki Imoto; Kiyoshi Tamaki

Robustness of the round-robin differential-phase-shift quantum-key-distribution protocol against source flaws (Journal Article)

In: Phys. Rev. A, vol. 92, pp. 060303, 2015.

(Links | BibTeX | タグ: quantum cryptography)

85.

Motoki Asano; Tohru Takahashi

Analytical investigation of optical vortices emitted from a collectively polarized dipole array (Journal Article)

In: Opt. Express, vol. 23, no. 21, pp. 27998–28011, 2015.

(Abstract | Links | BibTeX | タグ: )

84.

Akihiro Mizutani; Marcos Curty; Charles Ci Wen Lim; Nobuyuki Imoto; Kiyoshi Tamaki

Finite-key security analysis of quantum key distribution with imperfect light sources (Journal Article)

In: New Journal of Physics, vol. 17, no. 9, pp. 093011, 2015.

(Abstract | Links | BibTeX | タグ: quantum cryptography)

83.

Adam Miranowicz; Şahin K Özdemir; Jiří Bajer; Go Yusa; Nobuyuki Imoto; Yoshiro Hirayama; Franco Nori

Quantum state tomography of large nuclear spins in a semiconductor quantum well: Optimal robustness against errors as quantified by condition numbers (Journal Article)

In: Phys. Rev. B, vol. 92, pp. 075312, 2015.

(Links | BibTeX | タグ: )

82.

Kentaro Waki; Taro Yamashita; Shin-ichiro Inoue; Shigehito Miki; Hirotaka Terai; Rikizo Ikuta; Takashi Yamamoto; Nobuyuki Imoto

Fabrication and Characterization of Superconducting Nanowire Single-Photon Detectors on Si Waveguide (Journal Article)

In: IEEE Transactions on Applied Superconductivity, vol. 25, no. 3, pp. 1-4, 2015, ISSN: 1051-8223.

(Links | BibTeX | タグ: superconducting detector)

81.

Yoshiaki Tsujimoto; Yukihiro Sugiura; Makoto Ando; Daisuke Katsuse; Rikizo Ikuta; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Extracting an entangled photon pair from collectively decohered pairs at a telecommunication wavelength (Journal Article)

In: Opt. Express, vol. 23, no. 10, pp. 13545–13553, 2015.

(Abstract | Links | BibTeX | タグ: )

2014

80.

Keisuke Fujii; Makoto Negoro; Nobuyuki Imoto; Masahiro Kitagawa

Measurement-Free Topological Protection Using Dissipative Feedback (Journal Article)

In: Phys. Rev. X, vol. 4, pp. 041039, 2014.

(Links | BibTeX | タグ: )

79.

Adam Miranowicz; Karol Bartkiewicz; Jan Peřina; Masato Koashi; Nobuyuki Imoto; Franco Nori

Optimal two-qubit tomography based on local and global measurements: Maximal robustness against errors as described by condition numbers (Journal Article)

In: Phys. Rev. A, vol. 90, pp. 062123, 2014.

(Links | BibTeX | タグ: )

78.

Akira Matsuo; Keisuke Fujii; Nobuyuki Imoto

Quantum algorithm for an additive approximation of Ising partition functions (Journal Article)

In: Phys. Rev. A, vol. 90, pp. 022304, 2014.

(Links | BibTeX | タグ: )

77.

Kazuhiro Yokota; Nobuyuki Imoto

A weak-value model for virtual particles supplying the electric current in graphene: the minimal conductivity and the Schwinger mechanism (Journal Article)

In: New Journal of Physics, vol. 16, no. 7, pp. 073003, 2014.

(Abstract | Links | BibTeX | タグ: )

76.

Akihiro Mizutani; Kiyoshi Tamaki; Rikizo Ikuta; Takashi Yamamoto; Nobuyuki Imoto

Measurement-device-independent quantum key distribution for Scarani-Acin-Ribordy-Gisin 04 protocol (Journal Article)

In: Scientific reports, vol. 4, pp. 5236, 2014.

(Links | BibTeX | タグ: quantum cryptography)

75.

Rikizo Ikuta; Toshiki Kobayashi; Shuto Yasui; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Mikio Fujiwara; Takashi Yamamoto; Masato Koashi; Masahide Sasaki; Zhen Wang; Nobuyuki Imoto

Frequency down-conversion of 637 nm light to the telecommunication band for non-classical light emitted from NV centers in diamond (Journal Article)

In: Opt. Express, vol. 22, no. 9, pp. 11205–11214, 2014.

(Abstract | Links | BibTeX | タグ: quantum frequency conversion)

74.

Toshiki Kobayashi; Rikizo Ikuta; Şahin K Özdemir; Mark Tame; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Universal gates for transforming multipartite entangled Dicke states (Journal Article)

In: New Journal of Physics, vol. 16, no. 2, pp. 023005, 2014.

(Abstract | Links | BibTeX | タグ: entanglement)

2013

73.

Rikizo Ikuta; Toshiki Kobayashi; Hiroshi Kato; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Mikio Fujiwara; Takashi Yamamoto; Masahide Sasaki; Zhen Wang; Masato Koashi; Nobuyuki Imoto

Observation of two output light pulses from a partial wavelength converter preserving phase of an input light at a single-photon level (Journal Article)

In: Opt. Express, vol. 21, no. 23, pp. 27865–27872, 2013.

(Abstract | Links | BibTeX | タグ: quantum frequency conversion)

72.

Rikizo Ikuta; Toshiki Kobayashi; Hiroshi Kato; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Mikio Fujiwara; Takashi Yamamoto; Masato Koashi; Masahide Sasaki; Zhen Wang; Nobuyuki Imoto

Nonclassical two-photon interference between independent telecommunication light pulses converted by difference-frequency generation (Journal Article)

In: Phys. Rev. A, vol. 88, pp. 042317, 2013.

(Links | BibTeX | タグ: quantum frequency conversion)

71.

Tomoyuki Morimae; Keisuke Fujii

Secure Entanglement Distillation for Double-Server Blind Quantum Computation (Journal Article)

In: Phys. Rev. Lett., vol. 111, pp. 020502, 2013.

(Links | BibTeX | タグ: )

70.

Hidetoshi Kumagai; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Robustness of quantum communication based on a decoherence-free subspace using a counter-propagating weak coherent light pulse (Journal Article)

In: Phys. Rev. A, vol. 87, pp. 052325, 2013.

(Links | BibTeX | タグ: )

69.

Tomoyuki Morimae; Keisuke Fujii

Blind quantum computation protocol in which Alice only makes measurements (Journal Article)

In: Phys. Rev. A, vol. 87, pp. 050301, 2013.

(Links | BibTeX | タグ: )

68.

Keisuke Fujii; Yoshifumi Nakata; Masayuki Ohzeki; Mio Murao

Measurement-Based Quantum Computation on Symmetry Breaking Thermal States (Journal Article)

In: Phys. Rev. Lett., vol. 110, pp. 120502, 2013.

(Links | BibTeX | タグ: )

67.

Kazuhiro Igeta; Nobuyuki Imoto; Masato Koashi

Fundamental limit to qubit control with coherent field (Journal Article)

In: Phys. Rev. A, vol. 87, pp. 022321, 2013.

(Links | BibTeX | タグ: )

66.

Rikizo Ikuta; Hiroshi Kato; Yoshiaki Kusaka; Shigehito Miki; Taro Yamashita; Hirotaka Terai; Mikio Fujiwara; Takashi Yamamoto; Masato Koashi; Masahide Sasaki; Zhen Wang; Nobuyuki Imoto

High-fidelity conversion of photonic quantum information to telecommunication wavelength with superconducting single-photon detectors (Journal Article)

In: Phys. Rev. A, vol. 87, pp. 010301, 2013.

(Links | BibTeX | タグ: )

2012

65.

Masayuki Ohzeki; Keisuke Fujii

Duality analysis on random planar lattices (Journal Article)

In: Phys. Rev. E, vol. 86, pp. 051121, 2012.

(Links | BibTeX | タグ: )

64.

Tomoyuki Morimae; Keisuke Fujii

Blind topological measurement-based quantum computation (Journal Article)

In: Nature communications, vol. 3, pp. 1036, 2012.

(Links | BibTeX | タグ: )

63.

Kazuhiro Yokota; Nobuyuki Imoto

A strange weak value in spontaneous pair productions via a supercritical step potential (Journal Article)

In: New Journal of Physics, vol. 14, no. 8, pp. 083021, 2012.

(Abstract | Links | BibTeX | タグ: )

62.

Keisuke Fujii; Yuuki Tokunaga

Error and loss tolerances of surface codes with general lattice structures (Journal Article)

In: Phys. Rev. A, vol. 86, pp. 020303, 2012.

(Links | BibTeX | タグ: )

61.

Tomoyuki Morimae; Keisuke Fujii

Not all physical errors can be linear CPTP maps in a correlation space (Journal Article)

In: Scientific Reports, vol. 2, pp. 508, 2012.

(Links | BibTeX | タグ: )

60.

Koji Azuma; Hitoshi Takeda; Masato Koashi; Nobuyuki Imoto

Quantum repeaters and computation by a single module: Remote nondestructive parity measurement (Journal Article)

In: Phys. Rev. A, vol. 85, pp. 062309, 2012.

(Links | BibTeX | タグ: )

59.

Keisuke Fujii; Tomoyuki Morimae

Computational power and correlation in a quantum computational tensor network (Journal Article)

In: Phys. Rev. A, vol. 85, pp. 032338, 2012.

(Links | BibTeX | タグ: )

58.

Keisuke Fujii; Tomoyuki Morimae

Topologically protected measurement-based quantum computation on the thermal state of a nearest-neighbor two-body Hamiltonian with spin-3/2 particles (Journal Article)

In: Phys. Rev. A, vol. 85, pp. 010304, 2012.

(Links | BibTeX | タグ: )

2011

57.

Rikizo Ikuta; Yoshiaki Kusaka; Tsuyoshi Kitano; Hiroshi Kato; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Wide-band quantum interface for visible-to-telecommunication wavelength conversion (Journal Article)

In: Nature Communications, vol. 2, pp. 537, 2011, (press release by Osaka univ.).

(Links | BibTeX | タグ: )

56.

Şahin K Özdemir; Eiji Matsunaga; Toshiyuki Tashima; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

An optical fusion gate for W-states (Journal Article)

In: New Journal of Physics, vol. 13, no. 10, pp. 103003, 2011.

(Abstract | Links | BibTeX | タグ: )

55.

Kaoru Shimizu; Hiroyuki Fukasaka; Kiyoshi Tamaki; Nobuyuki Imoto

Cheat-sensitive commitment of a classical bit coded in a block of $m$ times $n$ round-trip qubits (Journal Article)

In: Phys. Rev. A, vol. 84, pp. 022308, 2011.

(Links | BibTeX | タグ: )

54.

Rikizo Ikuta; Yohei Ono; Toshiyuki Tashima; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Efficient Decoherence-Free Entanglement Distribution over Lossy Quantum Channels (Journal Article)

In: Phys. Rev. Lett., vol. 106, pp. 110503, 2011.

(Links | BibTeX | タグ: )

53.

Rikizo Ikuta; Toshiyuki Tashima; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Optimal local expansion of $W$ states using linear optics and Fock states (Journal Article)

In: Phys. Rev. A, vol. 83, pp. 012314, 2011.

(Links | BibTeX | タグ: )

2010

52.

Toshiyuki Tashima; Tsuyoshi Kitano; Şahin K Özdemir; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Demonstration of Local Expansion Toward Large-Scale Entangled Webs (Journal Article)

In: Phys. Rev. Lett., vol. 105, pp. 210503, 2010.

(Links | BibTeX | タグ: )

51.

Koji Azuma; Naoya Sota; Masato Koashi; Nobuyuki Imoto

Tight bound on coherent-state-based entanglement generation over lossy channels (Journal Article)

In: Phys. Rev. A, vol. 81, pp. 022325, 2010.

(Links | BibTeX | タグ: )

50.

Tadakiyo Seki; Hiroyuki Shibata; Hiroki Takesue; Yasuhiro Tokura; Nobuyuki Imoto

Comparison of timing jitter between NbN superconducting single-photon detector and avalanche photodiode (Journal Article)

In: Physica C: Superconductivity and its Applications, vol. 470, no. 20, pp. 1534 - 1537, 2010, ISSN: 0921-4534, (Proceedings of the 22nd International Symposium on Superconductivity (ISS 2009)).

(Links | BibTeX | タグ: )

2009

49.

Koji Azuma; Naoya Sota; Ryo Namiki; Şahin K Özdemir; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Optimal entanglement generation for efficient hybrid quantum repeaters (Journal Article)

In: Phys. Rev. A, vol. 80, pp. 060303, 2009.

(Links | BibTeX | タグ: )

48.

Yoritoshi Adachi; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Boosting up quantum key distribution by learning statistics of practical single-photon sources (Journal Article)

In: New Journal of Physics, vol. 11, no. 11, pp. 113033, 2009.

(Abstract | Links | BibTeX | タグ: )

47.

Kiyoshi Tamaki; Norbert Lütkenhaus; Masato Koashi; Jamie Batuwantudawe

Unconditional security of the Bennett 1992 quantum-key-distribution scheme with a strong reference pulse (Journal Article)

In: Phys. Rev. A, vol. 80, pp. 032302, 2009.

(Links | BibTeX | タグ: )

46.

Karol Bartkiewicz; Adam Miranowicz; Şahin K Özdemir

Optimal mirror phase-covariant cloning (Journal Article)

In: Phys. Rev. A, vol. 80, pp. 032306, 2009.

(Links | BibTeX | タグ: )

45.

Toshiyuki Tashima; Tetsuroh Wakatsuki; Şahin K Özdemir; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Local Transformation of Two Einstein-Podolsky-Rosen Photon Pairs into a Three-Photon $W$ State (Journal Article)

In: Phys. Rev. Lett., vol. 102, pp. 130502, 2009.

(Links | BibTeX | タグ: )

44.

Masato Koashi

Simple security proof of quantum key distribution based on complementarity (Journal Article)

In: New Journal of Physics, vol. 11, no. 4, pp. 045018, 2009.

(Abstract | Links | BibTeX | タグ: )

43.

Kazuhiro Yokota; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Direct observation of Hardy's paradox by joint weak measurement with an entangled photon pair (Journal Article)

In: New Journal of Physics, vol. 11, no. 3, pp. 033011, 2009, (IOP press release, New Journal of Physics - Best of 2009).

(Abstract | Links | BibTeX | タグ: )

42.

Toshiyuki Tashima; Şahin K Özdemir; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Local expansion of photonic W state using a polarization-dependent beamsplitter (Journal Article)

In: New Journal of Physics, vol. 11, no. 2, pp. 023024, 2009.

(Abstract | Links | BibTeX | タグ: )

41.

Mark S Tame; Şahin K Özdemir; Masato Koashi; Nobuyuki Imoto; Myungshik S Kim

Compact Toffoli gate using weighted graph states (Journal Article)

In: Phys. Rev. A, vol. 79, pp. 020302, 2009.

(Links | BibTeX | タグ: )

2008

40.

Yun-Feng Xiao; Şahin K Özdemir; Venkat Gaddam; Chun-Hua Dong; Nobuyuki Imoto; Lan Yang

Quantum nondemolition measurement of photon number via optical Kerr effect in an ultra-high-Q microtoroid cavity (Journal Article)

In: Opt. Express, vol. 16, no. 26, pp. 21462–21475, 2008.

(Abstract | Links | BibTeX | タグ: )

39.

Ryo Namiki; Masato Koashi; Nobuyuki Imoto

Fidelity Criterion for Quantum-Domain Transmission and Storage of Coherent States Beyond the Unit-Gain Constraint (Journal Article)

In: Phys. Rev. Lett., vol. 101, pp. 100502, 2008.

(Links | BibTeX | タグ: )

38.

Takashi Yamamoto; Kodai Hayashi; Şahin K Özdemir; Masato Koashi; Nobuyuki Imoto

Robust photonic entanglement distribution by state-independent encoding onto decoherence-free subspace (Journal Article)

In: Nature Photonics, vol. 2, no. 8, pp. 488, 2008, (press release by JST and Osaka univ.).

(Links | BibTeX | タグ: )

37.

Tetsushi Takano; Miho Fuyama; Ryo Namiki; Yoshiaki Takahashi

Continuous-variable quantum swapping gate between light and atoms (Journal Article)

In: Phys. Rev. A, vol. 78, pp. 010307, 2008.

(Links | BibTeX | タグ: )

36.

Yuuki Tokunaga; Shin Kuwashiro; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Generation of High-Fidelity Four-Photon Cluster State and Quantum-Domain Demonstration of One-Way Quantum Computing (Journal Article)

In: Phys. Rev. Lett., vol. 100, pp. 210501, 2008.

(Links | BibTeX | タグ: )

35.

Toshiyuki Tashima; Şahin K Özdemir; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Elementary optical gate for expanding an entanglement web (Journal Article)

In: Phys. Rev. A, vol. 77, pp. 030302, 2008.

(Links | BibTeX | タグ: )

2007

34.

Yoritoshi Adachi; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Simple and Efficient Quantum Key Distribution with Parametric Down-Conversion (Journal Article)

In: Phys. Rev. Lett., vol. 99, pp. 180503, 2007.

(Links | BibTeX | タグ: )

33.

Şahin K Özdemir; Karol Bartkiewicz; Yu-xi Liu; Adam Miranowicz

Teleportation of qubit states through dissipative channels: Conditions for surpassing the no-cloning limit (Journal Article)

In: Phys. Rev. A, vol. 76, pp. 042325, 2007.

(Links | BibTeX | タグ: )

32.

Takashi Yamamoto; Ryoji Nagase; Junichi Shimamura; Şahin K Özdemir; Masato Koashi; Nobuyuki Imoto

Experimental ancilla-assisted qubit transmission against correlated noise using quantum parity checking (Journal Article)

In: New Journal of Physics, vol. 9, no. 6, pp. 191, 2007, (chosen in IOP Select).

(Abstract | Links | BibTeX | タグ: )

31.

Yuma Kinoshita; Ryo Namiki; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Selective entanglement breaking (Journal Article)

In: Phys. Rev. A, vol. 75, pp. 032307, 2007.

(Links | BibTeX | タグ: )

30.

Adam Miranowicz; Şahin K Özdemir; Jirí Bajer; Masato Koashi; Nobuyuki Imoto

Selective truncations of an optical state using projection synthesis (Journal Article)

In: J. Opt. Soc. Am. B, vol. 24, no. 2, pp. 379–383, 2007.

(Abstract | Links | BibTeX | タグ: )

29.

Şahin K Özdemir; Junichi Shimamura; Nobuyuki Imoto

A necessary and sufficient condition to play games in quantum mechanical settings (Journal Article)

In: New Journal of Physics, vol. 9, no. 2, pp. 43, 2007.

(Abstract | Links | BibTeX | タグ: )

28.

Adam Miranowicz; Şahin K Özdemir; Yu-xi Liu; Grzegorz Chimczak; Masato Koashi; Nobuyuki Imoto

Quantum Entanglement and Teleportation of Quantum-Dot States in Microcavities (Journal Article)

In: vol. 5, 2007.

(BibTeX | タグ: )

2006

27.

Şahin K Özdemir; Adam Miranowicz; Tsuyoshi Ota; Go Yusa; Nobuyuki Imoto; Yoshiro Hirayama

Nuclear Spins in a Nanoscale Device for Quantum Information Processing (Journal Article)

In: e-Journal of Surface Science and Nanotechnology, vol. 4, pp. 669-673, 2006.

(Links | BibTeX | タグ: )

26.

Ryo Namiki; Takuya Hirano

Efficient-phase-encoding protocols for continuous-variable quantum key distribution using coherent states and postselection (Journal Article)

In: Phys. Rev. A, vol. 74, pp. 032302, 2006.

(Links | BibTeX | タグ: )

25.

Yuuki Tokunaga; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Fidelity estimation and entanglement verification for experimentally produced four-qubit cluster states (Journal Article)

In: Phys. Rev. A, vol. 74, pp. 020301, 2006.

(Links | BibTeX | タグ: )

24.

Nanometre-scale nuclear-spin device for quantum information processing (Journal Article)

In: Journal of Physics: Condensed Matter, vol. 18, no. 21, pp. S885, 2006.

(Abstract | Links | BibTeX | タグ: )

23.

Ryo Namiki; Masato Koashi; Nobuyuki Imoto

Cloning and optimal Gaussian individual attacks for a continuous-variable quantum key distribution using coherent states and reverse reconciliation (Journal Article)

In: Phys. Rev. A, vol. 73, pp. 032302, 2006.

(Links | BibTeX | タグ: )

2005

22.

Koji Azuma; Junichi Shimamura; Masato Koashi; Nobuyuki Imoto

Probabilistic cloning with supplementary information (Journal Article)

In: Phys. Rev. A, vol. 72, pp. 032335, 2005.

(Links | BibTeX | タグ: )

21.

Ryo Namiki; Takuya Hirano

Security of continuous-variable quantum cryptography using coherent states: Decline of postselection advantage (Journal Article)

In: Phys. Rev. A, vol. 72, pp. 024301, 2005.

(Links | BibTeX | タグ: )

20.

Takashi Yamamoto; Junichi Shimamura; Şahin K Özdemir; Masato Koashi; Nobuyuki Imoto

Faithful Qubit Distribution Assisted by One Additional Qubit against Collective Noise (Journal Article)

In: Phys. Rev. Lett., vol. 95, pp. 040503, 2005.

(Links | BibTeX | タグ: multi-photon interference)

19.

Yuuki Tokunaga; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Simple experimental scheme of preparing a four-photon entangled state for the teleportation-based realization of a linear optical controlled-NOT gate (Journal Article)

In: Phys. Rev. A, vol. 71, pp. 030301, 2005.

(Links | BibTeX | タグ: multi-photon interference)

18.

Yuuki Tokunaga; Tatsuaki Okamoto; Nobuyuki Imoto

Threshold quantum cryptography (Journal Article)

In: Phys. Rev. A, vol. 71, pp. 012314, 2005.

(Links | BibTeX | タグ: )

17.

Masato Koashi

SECURITY OF QUANTUM KEY DISTRIBUTION WITH STRONG PHASE-REFERENCE PULSE (Journal Article)

In: International Journal of Quantum Information, vol. 03, no. supp01, pp. 75-86, 2005.

(Links | BibTeX | タグ: )

2004

16.

Şahin K Özdemir; Junichi Shimamura; Fumiaki Morikoshi; Nobuyuki Imoto

Dynamics of a discoordination game with classical and quantum correlations (Journal Article)

In: Physics Letters A, vol. 333, no. 3, pp. 218 - 231, 2004, ISSN: 0375-9601.

(Links | BibTeX | タグ: )

15.

Yu-xi Liu; Şahin K Özdemir; Adam Miranowicz; Nobuyuki Imoto

Kraus representation of a damped harmonic oscillator and its application (Journal Article)

In: Phys. Rev. A, vol. 70, pp. 042308, 2004.

(Links | BibTeX | タグ: )

14.

Masato Koashi

Unconditional Security of Coherent-State Quantum Key Distribution with a Strong Phase-Reference Pulse (Journal Article)

In: Phys. Rev. Lett., vol. 93, pp. 120501, 2004.

(Links | BibTeX | タグ: )

13.

Junichi Shimamura; Şahin K Özdemir; Fumiaki Morikoshi; Nobuyuki Imoto

Entangled states that cannot reproduce original classical games in their quantum version (Journal Article)

In: Physics Letters A, vol. 328, no. 1, pp. 20 - 25, 2004, ISSN: 0375-9601.

(Links | BibTeX | タグ: )

12.

Kiyoshi Tamaki; Norbert Lütkenhaus

Unconditional security of the Bennett 1992 quantum key-distribution protocol over a lossy and noisy channel (Journal Article)

In: Phys. Rev. A, vol. 69, pp. 032316, 2004.

(Links | BibTeX | タグ: )

11.

Yu-xi Liu; Şahin K Özdemir; Adam Miranowicz; Masato Koashi; Nobuyuki Imoto

Exciton entanglement in two coupled semiconductor microcrystallites (Journal Article)

In: Journal of Physics A: Mathematical and General, vol. 37, no. 15, pp. 4423, 2004.

(Abstract | Links | BibTeX | タグ: )

10.

Masato Koashi; Andreas Winter

Monogamy of quantum entanglement and other correlations (Journal Article)

In: Phys. Rev. A, vol. 69, pp. 022309, 2004.

(Links | BibTeX | タグ: )

9.

Junichi Shimamura; Şahin K Özdemir; Fumiaki Morikoshi; Nobuyuki Imoto

Quantum and classical correlations between players in game theory (Journal Article)

In: International Journal of Quantum Information, vol. 2, no. 01, pp. 79–89, 2004.

(BibTeX | タグ: )

8.

Şahin K Özdemir; Junichi Shimamura; Nobuyuki Imoto

Quantum advantage does not survive in the presence of a corrupt source: optimal strategies in simultaneous move games (Journal Article)

In: Physics Letters A, vol. 325, no. 2, pp. 104 - 111, 2004, ISSN: 0375-9601.

(Links | BibTeX | タグ: )

2003

7.

Şahin K Özdemir; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Quantum state generation and entanglement manipulation using linear optics (Journal Article)

In: Turkish Journal of Physics, vol. 27, pp. 459 - 479, 2003.

(BibTeX | タグ: multi-photon interference)

6.

Kiyoshi Tamaki; Masato Koashi; Nobuyuki Imoto

Unconditionally Secure Key Distribution Based on Two Nonorthogonal States (Journal Article)

In: Phys. Rev. Lett., vol. 90, pp. 167904, 2003.

(Links | BibTeX | タグ: )

5.

Takashi Yamamoto; Masato Koashi; Şahin K Özdemir; Nobuyuki Imoto

Experimental extraction of an entangled photon pair from two identically decohered pairs (Journal Article)

In: Nature, vol. 421, pp. 343–346, 2003.

(Links | BibTeX | タグ: entanglement)

2002

4.

Takashi Yamamoto; Kiyoshi Tamaki; Masato Koashi; Nobuyuki Imoto

Polarization entangled W state using parametric down-conversion (Journal Article)

In: Phys. Rev. A, vol. 66, pp. 064301 , 2002.

(Links | BibTeX | タグ: entanglement)

2001

3.

Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

Concentration and purification scheme for two partially entangled photon pairs (Journal Article)

In: Phys. Rev. A, vol. 64, pp. 012304, 2001.

(Links | BibTeX | タグ: entanglement)

2.

Masato Koashi; Takashi Yamamoto; Nobuyuki Imoto

Probabilistic manipulation of entangled photons (Journal Article)

In: Phys. Rev. A, vol. 63, no. 030301(R), 2001.

(Links | BibTeX | タグ: entanglement, multi-photon interference)

0000

1.

Masahiro Matsuoka; Takashi Yamamoto; Akio Motoyoshi

Quantum Communication of Qubits by the Polarization of Photons (Inproceedings)

In: pp. 65, 0000.

(BibTeX | タグ: entanglement)