論文リスト

2019

124.

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

Frequency-multiplexed singly-resonant photon pairs from a quadratic nonlinear optical waveguide resonator (Journal Article)

arXiv, pp. 1904.13025, 2019.

(Links | BibTeX | タグ: optical cavity)

123.

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)

IEEE Transactions on Applied Superconductivity , 29 (1302104 ), 2019, ISSN: 1051-8223 .

(Links | BibTeX | タグ: superconducting detector)

122.

Takashi Yamamoto

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

IEICE TRANS. ELECTRON., E102–C (3), pp. pp.224-229, 2019, ISSN: 1745-1353.

(Links | BibTeX | タグ: superconducting detector)

121.

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)

Nature Communications , 10 , pp. 378, 2019.

(Links | BibTeX | タグ: quantum repeater)

120.

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)

npj Quantum Information, 5 , pp. 8, 2019.

(Links | BibTeX | タグ: quantum cryptography)

2018

119.

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)

Appl. Phys. Lett., 112 , pp. 262601, 2018.

(Links | BibTeX | タグ: superconducting detector)

118.

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

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

Optics Express, 26 (12), pp. 15551–15558, 2018.

(Links | BibTeX | タグ: optical cavity)

117.

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)

Nature Communications, 9 , pp. 1997, 2018.

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

116.

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)

Phys. Rev. Lett., 120 , pp. 203601, 2018.

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

115.

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)

Appl. Phys. Lett. , 112 , pp. 201103, 2018.

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

114.

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)

Phys. Rev. A, 97 , pp. 053810, 2018.

(Links | BibTeX | タグ: metamaterial)

113.

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)

Scientific reports, 8 (1), pp. 1446, 2018.

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

112.

Le Bin Ho; Nobuyuki Imoto

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

Phys. Rev. A, 97 , pp. 012112, 2018.

(Links | BibTeX | タグ: )

2017

111.

Tomoyuki Morimae; Yuki Takeuchi; Masahito Hayashi

Verification of hypergraph states (Journal Article)

Phys. Rev. A, 96 , pp. 062321, 2017.

(Links | BibTeX | タグ: )

110.

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)

Quantum Science and Technology, 3 (1), pp. 014002, 2017.

(Abstract | Links | BibTeX | タグ: )

109.

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)

Quantum Science and Technology, 3 (1), pp. 014003, 2017.

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

108.

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)

Opt. Express, 25 (10), pp. 12052–12060, 2017.

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

107.

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)

Opt. Express, 25 (11), pp. 12069–12080, 2017.

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

106.

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)

Scientific Reports, 7 (1), pp. 4819, 2017.

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

105.

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)

Phys. Rev. A, 95 , pp. 042301, 2017.

(Links | BibTeX | タグ: quantum cryptography)

104.

Le Bin Ho; Nobuyuki Imoto

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

Phys. Rev. A, 95 , pp. 032135, 2017.

(Links | BibTeX | タグ: )

2016

103.

Kazuhiro Yokota; Nobuyuki Imoto

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

New Journal of Physics, 18 (12), pp. 123002, 2016.

(Abstract | Links | BibTeX | タグ: )

102.

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)

Opt. Lett., 41 (24), pp. 5793–5796, 2016.

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

101.

Yuki Takeuchi; Yasuhiro Takahashi

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

Phys. Rev. A, 94 , pp. 062336, 2016.

(Links | BibTeX | タグ: )

100.

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)

Optica, 3 (11), pp. 1279–1284, 2016, (press release by Osaka univ.).

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

99.

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)

Nature communications, 7 , pp. 13488, 2016.

(Links | BibTeX | タグ: optical cavity)

98.

Koji Azuma; Akihiro Mizutani; Hoi-Kwong Lo

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

Nature communications, 7 , pp. 13523, 2016.

(Links | BibTeX | タグ: )

97.

Motoaki Bamba; Kunihiro Inomata; Yasunobu Nakamura

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

Phys. Rev. Lett., 117 , pp. 173601, 2016.

(Links | BibTeX | タグ: )

96.

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)

Scientific reports, 6 , pp. 35240, 2016.

(Links | BibTeX | タグ: superconducting detector)

95.

Motoaki Bamba; Nobuyuki Imoto

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

Phys. Rev. A, 94 , pp. 033802, 2016.

(Links | BibTeX | タグ: )

94.

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)

Radio Science, 51 (8), pp. 1385-1395, 2016.

(Abstract | Links | BibTeX | タグ: )

93.

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)

Laser & Photonics Reviews, 10 (4), pp. 603-611, 2016.

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

92.

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

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

Phys. Rev. A, 93 , pp. 052307, 2016.

(Links | BibTeX | タグ: )

91.

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)

Opt. Express, 24 (11), pp. 12082–12092, 2016.

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

90.

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)

Phys. Rev. A, 93 , pp. 042325, 2016.

(Links | BibTeX | タグ: quantum cryptography)

89.

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)

Nature Photonics, 10 (7), pp. 441, 2016, (press release by Osaka univ. (see "Links")).

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

88.

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)

Applied Physics Letters, 108 (18), pp. 181105, 2016.

(Links | BibTeX | タグ: optical cavity)

87.

Le Bin Ho; Nobuyuki Imoto

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

Physics Letters A, 380 (25), pp. 2129 - 2135, 2016, ISSN: 0375-9601.

(Links | BibTeX | タグ: )

2015

86.

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)

Scientific reports, 5 , pp. 18313, 2015.

(Links | BibTeX | タグ: entanglement, metamaterial)

85.

Akihiro Mizutani; Nobuyuki Imoto; Kiyoshi Tamaki

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

Phys. Rev. A, 92 , pp. 060303, 2015.

(Links | BibTeX | タグ: quantum cryptography)

84.

Motoki Asano; Tohru Takahashi

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

Opt. Express, 23 (21), pp. 27998–28011, 2015.

(Abstract | Links | BibTeX | タグ: )

83.

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)

New Journal of Physics, 17 (9), pp. 093011, 2015.

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

82.

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)

Phys. Rev. B, 92 , pp. 075312, 2015.

(Links | BibTeX | タグ: )

81.

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)

IEEE Transactions on Applied Superconductivity, 25 (3), pp. 1-4, 2015, ISSN: 1051-8223.

(Links | BibTeX | タグ: superconducting detector)

80.

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)

Opt. Express, 23 (10), pp. 13545–13553, 2015.

(Abstract | Links | BibTeX | タグ: )

2014

79.

Keisuke Fujii; Makoto Negoro; Nobuyuki Imoto; Masahiro Kitagawa

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

Phys. Rev. X, 4 , pp. 041039, 2014.

(Links | BibTeX | タグ: )

78.

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)

Phys. Rev. A, 90 , pp. 062123, 2014.

(Links | BibTeX | タグ: )

77.

Akira Matsuo; Keisuke Fujii; Nobuyuki Imoto

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

Phys. Rev. A, 90 , pp. 022304, 2014.

(Links | BibTeX | タグ: )

76.

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)

New Journal of Physics, 16 (7), pp. 073003, 2014.

(Abstract | Links | BibTeX | タグ: )

75.

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)

Scientific reports, 4 , pp. 5236, 2014.

(Links | BibTeX | タグ: quantum cryptography)

74.

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)

Opt. Express, 22 (9), pp. 11205–11214, 2014.

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

73.

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)

New Journal of Physics, 16 (2), pp. 023005, 2014.

(Abstract | Links | BibTeX | タグ: entanglement)

2013

72.

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)

Opt. Express, 21 (23), pp. 27865–27872, 2013.

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

71.

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)

Phys. Rev. A, 88 , pp. 042317, 2013.

(Links | BibTeX | タグ: quantum frequency conversion)

70.

Tomoyuki Morimae; Keisuke Fujii

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

Phys. Rev. Lett., 111 , pp. 020502, 2013.

(Links | BibTeX | タグ: )

69.

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)

Phys. Rev. A, 87 , pp. 052325, 2013.

(Links | BibTeX | タグ: )

68.

Tomoyuki Morimae; Keisuke Fujii

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

Phys. Rev. A, 87 , pp. 050301, 2013.

(Links | BibTeX | タグ: )

67.

Keisuke Fujii; Yoshifumi Nakata; Masayuki Ohzeki; Mio Murao

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

Phys. Rev. Lett., 110 , pp. 120502, 2013.

(Links | BibTeX | タグ: )

66.

Kazuhiro Igeta; Nobuyuki Imoto; Masato Koashi

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

Phys. Rev. A, 87 , pp. 022321, 2013.

(Links | BibTeX | タグ: )

65.

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)

Phys. Rev. A, 87 , pp. 010301, 2013.

(Links | BibTeX | タグ: )

2012

64.

Masayuki Ohzeki; Keisuke Fujii

Duality analysis on random planar lattices (Journal Article)

Phys. Rev. E, 86 , pp. 051121, 2012.

(Links | BibTeX | タグ: )

63.

Tomoyuki Morimae; Keisuke Fujii

Blind topological measurement-based quantum computation (Journal Article)

Nature communications, 3 , pp. 1036, 2012.

(Links | BibTeX | タグ: )

62.

Kazuhiro Yokota; Nobuyuki Imoto

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

New Journal of Physics, 14 (8), pp. 083021, 2012.

(Abstract | Links | BibTeX | タグ: )

61.

Keisuke Fujii; Yuuki Tokunaga

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

Phys. Rev. A, 86 , pp. 020303, 2012.

(Links | BibTeX | タグ: )

60.

Tomoyuki Morimae; Keisuke Fujii

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

Scientific Reports, 2 , pp. 508, 2012.

(Links | BibTeX | タグ: )

59.

Koji Azuma; Hitoshi Takeda; Masato Koashi; Nobuyuki Imoto

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

Phys. Rev. A, 85 , pp. 062309, 2012.

(Links | BibTeX | タグ: )

58.

Keisuke Fujii; Tomoyuki Morimae

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

Phys. Rev. A, 85 , pp. 032338, 2012.

(Links | BibTeX | タグ: )

57.

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)

Phys. Rev. A, 85 , pp. 010304, 2012.

(Links | BibTeX | タグ: )

2011

56.

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)

Nature Communications, 2 , pp. 1544, 2011, (press release by Osaka univ.).

(Links | BibTeX | タグ: )

55.

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

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

New Journal of Physics, 13 (10), pp. 103003, 2011.

(Abstract | Links | BibTeX | タグ: )

54.

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)

Phys. Rev. A, 84 , pp. 022308, 2011.

(Links | BibTeX | タグ: )

53.

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

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

Phys. Rev. Lett., 106 , pp. 110503, 2011.

(Links | BibTeX | タグ: )

52.

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

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

Phys. Rev. A, 83 , pp. 012314, 2011.

(Links | BibTeX | タグ: )

2010

51.

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

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

Phys. Rev. Lett., 105 , pp. 210503, 2010.

(Links | BibTeX | タグ: )

50.

Koji Azuma; Naoya Sota; Masato Koashi; Nobuyuki Imoto

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

Phys. Rev. A, 81 , pp. 022325, 2010.

(Links | BibTeX | タグ: )

49.

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)

Physica C: Superconductivity and its Applications, 470 (20), pp. 1534 - 1537, 2010, ISSN: 0921-4534, (Proceedings of the 22nd International Symposium on Superconductivity (ISS 2009)).

(Links | BibTeX | タグ: )

2009

48.

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)

Phys. Rev. A, 80 , pp. 060303, 2009.

(Links | BibTeX | タグ: )

47.

Yoritoshi Adachi; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

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

New Journal of Physics, 11 (11), pp. 113033, 2009.

(Abstract | Links | BibTeX | タグ: )

46.

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)

Phys. Rev. A, 80 , pp. 032302, 2009.

(Links | BibTeX | タグ: )

45.

Karol Bartkiewicz; Adam Miranowicz; Şahin K Özdemir

Optimal mirror phase-covariant cloning (Journal Article)

Phys. Rev. A, 80 , pp. 032306, 2009.

(Links | BibTeX | タグ: )

44.

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)

Phys. Rev. Lett., 102 , pp. 130502, 2009.

(Links | BibTeX | タグ: )

43.

Masato Koashi

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

New Journal of Physics, 11 (4), pp. 045018, 2009.

(Abstract | Links | BibTeX | タグ: )

42.

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)

New Journal of Physics, 11 (3), pp. 033011, 2009, (IOP press release, New Journal of Physics - Best of 2009).

(Abstract | Links | BibTeX | タグ: )

41.

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

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

New Journal of Physics, 11 (2), pp. 023024, 2009.

(Abstract | Links | BibTeX | タグ: )

40.

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

Compact Toffoli gate using weighted graph states (Journal Article)

Phys. Rev. A, 79 , pp. 020302, 2009.

(Links | BibTeX | タグ: )

2008

39.

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)

Opt. Express, 16 (26), pp. 21462–21475, 2008.

(Abstract | Links | BibTeX | タグ: )

38.

Ryo Namiki; Masato Koashi; Nobuyuki Imoto

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

Phys. Rev. Lett., 101 , pp. 100502, 2008.

(Links | BibTeX | タグ: )

37.

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)

Nature Photonics, 2 (8), pp. 488, 2008, (press release by JST and Osaka univ.).

(Links | BibTeX | タグ: )

36.

Tetsushi Takano; Miho Fuyama; Ryo Namiki; Yoshiaki Takahashi

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

Phys. Rev. A, 78 , pp. 010307, 2008.

(Links | BibTeX | タグ: )

35.

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)

Phys. Rev. Lett., 100 , pp. 210501, 2008.

(Links | BibTeX | タグ: )

34.

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

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

Phys. Rev. A, 77 , pp. 030302, 2008.

(Links | BibTeX | タグ: )

2007

33.

Yoritoshi Adachi; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

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

Phys. Rev. Lett., 99 , pp. 180503, 2007.

(Links | BibTeX | タグ: )

32.

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)

Phys. Rev. A, 76 , pp. 042325, 2007.

(Links | BibTeX | タグ: )

31.

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)

New Journal of Physics, 9 (6), pp. 191, 2007, (chosen in IOP Select).

(Abstract | Links | BibTeX | タグ: )

30.

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

Selective entanglement breaking (Journal Article)

Phys. Rev. A, 75 , pp. 032307, 2007.

(Links | BibTeX | タグ: )

29.

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

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

J. Opt. Soc. Am. B, 24 (2), pp. 379–383, 2007.

(Abstract | Links | BibTeX | タグ: )

28.

Şahin K Özdemir; Junichi Shimamura; Nobuyuki Imoto

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

New Journal of Physics, 9 (2), pp. 43, 2007.

(Abstract | Links | BibTeX | タグ: )

27.

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)

5 , 2007.

(BibTeX | タグ: )

2006

26.

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)

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

(Links | BibTeX | タグ: )

25.

Ryo Namiki; Takuya Hirano

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

Phys. Rev. A, 74 , pp. 032302, 2006.

(Links | BibTeX | タグ: )

24.

Yuuki Tokunaga; Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

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

Phys. Rev. A, 74 , pp. 020301, 2006.

(Links | BibTeX | タグ: )

23.

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

Journal of Physics: Condensed Matter, 18 (21), pp. S885, 2006.

(Abstract | Links | BibTeX | タグ: )

22.

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)

Phys. Rev. A, 73 , pp. 032302, 2006.

(Links | BibTeX | タグ: )

2005

21.

Koji Azuma; Junichi Shimamura; Masato Koashi; Nobuyuki Imoto

Probabilistic cloning with supplementary information (Journal Article)

Phys. Rev. A, 72 , pp. 032335, 2005.

(Links | BibTeX | タグ: )

20.

Ryo Namiki; Takuya Hirano

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

Phys. Rev. A, 72 , pp. 024301, 2005.

(Links | BibTeX | タグ: )

19.

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

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

Phys. Rev. Lett., 95 , pp. 040503, 2005.

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

18.

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)

Phys. Rev. A, 71 , pp. 030301, 2005.

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

17.

Yuuki Tokunaga; Tatsuaki Okamoto; Nobuyuki Imoto

Threshold quantum cryptography (Journal Article)

Phys. Rev. A, 71 , pp. 012314, 2005.

(Links | BibTeX | タグ: )

16.

Masato Koashi

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

International Journal of Quantum Information, 03 (supp01), pp. 75-86, 2005.

(Links | BibTeX | タグ: )

2004

15.

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

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

Physics Letters A, 333 (3), pp. 218 - 231, 2004, ISSN: 0375-9601.

(Links | BibTeX | タグ: )

14.

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

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

Phys. Rev. A, 70 , pp. 042308, 2004.

(Links | BibTeX | タグ: )

13.

Masato Koashi

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

Phys. Rev. Lett., 93 , pp. 120501, 2004.

(Links | BibTeX | タグ: )

12.

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

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

Physics Letters A, 328 (1), pp. 20 - 25, 2004, ISSN: 0375-9601.

(Links | BibTeX | タグ: )

11.

Kiyoshi Tamaki; Norbert Lütkenhaus

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

Phys. Rev. A, 69 , pp. 032316, 2004.

(Links | BibTeX | タグ: )

10.

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

Exciton entanglement in two coupled semiconductor microcrystallites (Journal Article)

Journal of Physics A: Mathematical and General, 37 (15), pp. 4423, 2004.

(Abstract | Links | BibTeX | タグ: )

9.

Masato Koashi; Andreas Winter

Monogamy of quantum entanglement and other correlations (Journal Article)

Phys. Rev. A, 69 , pp. 022309, 2004.

(Links | BibTeX | タグ: )

8.

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

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

International Journal of Quantum Information, 2 (01), pp. 79–89, 2004.

(BibTeX | タグ: )

7.

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)

Physics Letters A, 325 (2), pp. 104 - 111, 2004, ISSN: 0375-9601.

(Links | BibTeX | タグ: )

2003

6.

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

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

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

(BibTeX | タグ: multi-photon interference)

5.

Kiyoshi Tamaki; Masato Koashi; Nobuyuki Imoto

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

Phys. Rev. Lett., 90 , pp. 167904, 2003.

(Links | BibTeX | タグ: )

4.

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

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

Nature, 421 , pp. 343–346, 2003.

(Links | BibTeX | タグ: entanglement)

2002

3.

Takashi Yamamoto; Kiyoshi Tamaki; Masato Koashi; Nobuyuki Imoto

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

Phys. Rev. A, 66 , pp. 064301 , 2002.

(Links | BibTeX | タグ: entanglement)

2001

2.

Takashi Yamamoto; Masato Koashi; Nobuyuki Imoto

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

Phys. Rev. A, 64 , pp. 012304, 2001.

(Links | BibTeX | タグ: entanglement)

1.

Masato Koashi; Takashi Yamamoto; Nobuyuki Imoto

Probabilistic manipulation of entangled photons (Journal Article)

Phys. Rev. A, 63 (030301(R)), 2001.

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