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Technical Committee on Quantum Information Technology (QIT) [schedule] [select]
Chair Masahiro Kitagawa (Osaka Univ.)
Secretary Harumichi Nishimura (Osaka Pref. Univ.), Toyohiro Tsurumaru (Mitsubishi Electric)

Conference Date Mon, Nov 21, 2011 09:15 - 17:40
Tue, Nov 22, 2011 09:00 - 17:45
Topics Quantum Information, etc. 
Conference Place Sigma Hall, Engineering Science, Osaka University (Toyonaka) 
Address 1-3 Machikaneyama-cho, Toyonaka, Osaka, 560-8531 Japan.
Transportation Guide 7 min. walk from Shibahara stn Osaka monorail, or, 20 min walk from Ishibashi stn Hankyu line.
http://www.es.osaka-u.ac.jp/eng/access/index.html
Contact
Person
M. Kitagawa, N. Mizuochi, M. Negoro (Engr. Sci.), A. Fujiwara (Sci.)
Sponsors Graduate School of Engineering Science, Osaka University

Mon, Nov 21 AM  Opening
09:15 - 09:20
  09:15-09:20 Opening Address ( 5 min. )
Mon, Nov 21 AM  Photon
Chair: Norikazu Mizuochi (Osaka Univ.)
09:20 - 10:20
(1) 09:20-09:40 Photonic quantum interface for visible-to-telecommunication wavelength conversion Rikizo Ikuta, Yoshiaki Kusaka, Tsuyoshi Kitano, Hiroshi Kato, Takashi Yamamoto (Osaka Univ.), Masato Koashi (Univ. of Tokyo), Nobuyuki Imoto (Osaka Univ.)
(2) 09:40-10:00 Properties of a single photon generated by a solid-state emitter
-- effects of pure dephasing --
Eiki Iyoda, Takeo Kato (Tokyo Univ), Takao Aoki (Waseda Univ), Keiichi Edamatsu (Tohoku Univ), Kazuki Koshino (TMDU)
(3) 10:00-10:20 Single-photon experiments with an ensemble of semiconductor nanocrystals Makoto Takeuchi, Yoshinari Akutagawa, Takahiro Kuga (The Univ. of Tokyo)
  10:20-10:40 Break ( 20 min. )
Mon, Nov 21 AM  Quantum Computation and Quantum Algorithms I
Chair: Shigeru Yamashita (Ritsumeikan Univ.)
10:40 - 11:40
(4) 10:40-11:00 Improved Output-Sensitive Quantum Algorithms for Boolean Matrix Multiplication Francois Le Gall (Tokyo Univ.)
(5) 11:00-11:20 On QMA Protocols with Two Short Quantum Proofs Francois Le Gall (Univ. of Tokyo), Shota Nakagawa, Harumichi Nishimura (Osaka Pref. Univ.)
(6) 11:20-11:40 Towards Computational Complexity Theory for Quantum Simulation Hiroshi Imai (Univ. Tokyo)
  11:40-13:00 Lunch Break ( 80 min. )
Mon, Nov 21 PM  Quantum Measurement I
Chair: Akio Hosoya (TiTech)
13:00 - 14:40
(7) 13:00-13:40 [Invited Talk]
Quantum non-demolition techniques in a gravitational-wave detector and macroscopic quantum measurement using a high-sensitivity optical interferometer
Kentaro Somiya (TITech)
(8) 13:40-14:00 Uncertainty Relation between Error and Disturbance Revisited from Quantum Estimation Theory Yu Watanabe, Masahito Ueda (Univ. of Tokyo)
(9) 14:00-14:20 Uncertainty Principle in Spin Measurements Masanao Ozawa (Nagoya Univ.)
(10) 14:20-14:40 Statistical model for Stern-Gerlach experiment of measurement of angular momentum Agung Budiyono (RIKEN)
Mon, Nov 21 PM  Poster Session
14:40 - 16:20
  - Poster Session (Posters are listed at the end of the Program)
Mon, Nov 21 PM  Quantum Measurement II
Chair: Masanao Ozawa (Nagoya Univ.)
16:20 - 17:40
(11) 16:20-16:40 Measurement-induced dephasing in superconducting qubit readout with a Josephson bifurcation amplifier: experiment and theory Hayato Nakano, Kosuke Kakuyanagi (NTT BRL)
(12) 16:40-17:00 All-order evaluation of weak measurements
-- The cases of an operator ${\bf A}$ which satisfies the property ${\bf A}^{2}=1$ --
Kouji Nakamura (NAOJ), Atsushi Nishizawa (Kyoto Univ.), Masa-Katsu Fujimoto (NAOJ)
(13) 17:00-17:20 Weak-value Amplification and Quantum Noise Atsushi Nishizawa (Kyoto Univ.), Kouji Nakamura, Masa-Katsu Fujimoto (NAOJ)
(14) 17:20-17:40 On Amplification by Weak Measurement Tatsuhiko Koike, Saki Tanaka (Keio Univ)
  18:00-20:00 Banquet ( 120 min. )
Tue, Nov 22 AM  Quantum Gates
Chair: Makoto Negoro (Osaka Univ.)
09:00 - 10:20
(15) 09:00-09:20 Composite pulses implement geometric quantum computation Tsubasa Ichikawa, Masamitsu Bando, Yasushi Kondo, Mikio Nakahara (Kinki Univ.)
(16) 09:20-09:40 Concatenated Composite Quantum Gates Masamitsu Bando, Tsubasa Ichikawa, Yasushi Kondo, Mikio Nakahara (Kinki Univ.)
(17) 09:40-10:00 Minimal Composite Gates for Two-Qubit Ising-Type Systems Utkan Gungordu, Tsubasa Ichikawa, Masamitsu Bando, Mikio Nakahara (Kinki Univ.)
(18) 10:00-10:20 Analysis of controlled-NOT gate by time-optimal quantum computation theory
-- result of a chain system --
Jun Koizumi, Tatsuhiko Koike (Keio Univ.)
  10:20-10:40 Break ( 20 min. )
Tue, Nov 22 AM  Atoms and Ions
Chair: Takashi Yamamoto (Osaka Univ.)
10:40 - 11:40
(19) 10:40-11:00 Generation of a decoherence-free entangled state using a radio frequency dressed state Atsushi Noguchi, Shinsuke Haze, Kenji Toyoda, Shinji Urabe (Osaka Univ.)
(20) 11:00-11:20 Observation of radial mode phonon hopping towards quantum simulation with trapped ions Shinsuke Haze, Yusuke Tateishi, Atsushi Noguchi, Kenji Toyoda, Shinji Urabe (Osaka univ.)
(21) 11:20-11:40 Long-lived qubit from three spin-1/2 atoms Rui Han (NUS), Niels Lorch (Heidelberg Univ.), Jun Suzuki (UEC), Berthold-Georg Englert (NUS)
  11:40-12:40 Lunch Break ( 60 min. )
Tue, Nov 22 PM  Quantum Computation and Quantum Algorithms II
Chair: Harumichi Nishimura (Osaka Pref. Univ.)
12:40 - 14:20
(22) 12:40-13:00 Cheat-sensitive commitment of a classical bit coded in a block of mXn round trip qubits Kaoru Shimizu, Kiyoshi Tamaki (NTT BRL), Nobuyuki Imoto (Osaka University)
(23) 13:00-13:20 Computing on Quantum Anonymous Network Hirotada Kobayashi, Keiji Matsumoto (NII), Seiichiro Tani (NTT)
(24) 13:20-13:40 Computational Power and Correlation in Quantum Computational Tensor Network Keisuke Fujii (Osaka Univ.), Tomoyuki Morimae (Univ. Paris-Est)
(25) 13:40-14:00 Time Reversal of a Quantum Walk by Phase Shifts Takasi Endo, Kouichi Toyoshima, Yutaka Hirayoshi (Saga Univ.)
(26) 14:00-14:20 On Decoherence and Physical Realization of Discrete Time Quantum Walk Yutaka Shikano (Tokyo Tech)
  14:20-14:40 Break ( 20 min. )
Tue, Nov 22 PM  Quantum Communications
Chair: Nobuyuki Imoto (Osaka Univ.)
14:40 - 16:00
(27) 14:40-15:00 Entanglement generation by communication using squeezed state Fumiaki Matsuoka, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.)
(28) 15:00-15:20 Generation of Quantum States by Ergodic Maps Kazuya Yuasa (Waseda Univ.), Vittorio Giovannetti (SNS (Pisa)), Daniel Burgarth (Aberystwyth Univ. (UK)), Hiromichi Nakazato, Junya Okude, Shouichirou Terasawa (Waseda Univ.)
(29) 15:20-15:40 Quantum network coding for quantum repeaters Takahiko Satoh, Francois Le Gall (UT)
(30) 15:40-16:00 Iterative optimization for max-min quantum error correction Naoki Yamamoto, Yuki Nishizawa (Keio Univ.)
  16:00-16:20 Break ( 20 min. )
Tue, Nov 22 PM  Quantum Estimation and Quantum Information
Chair: Akio Fujiwara (Osaka Univ.)
16:20 - 17:45
(31) 16:20-16:40 Quantum Receiver beyond the Standard Quantum Limit of Coherent Optical Communication Kenji Tsujino (TWMU), Daiji Fukuda (AIST), Go Fujii (AIST/Nihon Univ.), Shuichiro Inoue (Nihon Univ.), Mikio Fujiwara, Masahiro Takeoka, Masahide Sasaki (NICT)
(32) 16:40-17:00 Quantum hypothesis testing for quantum Gaussian states Wataru Kumagai (Tohoku Univ.), Masahito Hayashi (Tohoku Univ./NUS)
(33) 17:00-17:20 comparison of quantum statistical models Keiji Matsumoto (NII), Francesco Buscemi (Nagoya U), David Reeb (Technische Universitat Munchen), Teiko Heinosaari (University of Turku)
(34) 17:20-17:40 An asymptotic theory of cloning of classical state families Keiji Matsumoto (NII)
  17:40-17:45 Closing Address ( 5 min. )
Mon, Nov 21 PM  Poster session
14:40 - 16:20
(35) 14:40-16:20 [Poster Presentation]
Evaluation of polarization entanglement with multi-pairs using photon number counting
Akio Yoshizawa, Daiji Fukuda, Hidemi Tsuchida (AIST)
(36) 14:40-16:20 [Poster Presentation]
Adaptive quantum state estimation based on A-optimality criterion
Takanori Sugiyama, Peter S. Turner, Mio Murao (Univ. of Tokyo)
(37) 14:40-16:20 [Poster Presentation]
Single-photon experiments with an ensemble of semiconductor nanocrystals
Yoshinari Akutagawa, Makoto Takeuchi, Takahiro Kuga (The Univ. of Tokyo)
(38) 14:40-16:20 [Poster Presentation]
Discrimination with error margin among three states of a qubit
Hiroyuki Sugimoto, Yuta Taninaka, Akihisa Hayashi (Univ. of Fukui)
(39) 14:40-16:20 [Poster Presentation]
Minimum-error discrimination among three states of a qubit and the circumcenter of a triangle
Yuta Taninaka, Hiroyuki Sugimoto, Akihisa Hayashi (Univ. of Fukui)
(40) 14:40-16:20 [Poster Presentation]
A Multiprecision Matrix Calculation Library and Its Extension Library for a Matrix-Product-State Simulation of Quantum Computing
Akira Saitoh (Kinki Univ.)
(41) 14:40-16:20 [Poster Presentation]
Optimal enhancement by weak mesurement
Yuki Susa, Yutaka Shikano, Akio Hosoya (Tokyo Tech)
(42) 14:40-16:20 [Poster Presentation]
Sub-Geiger mode single-photon detector using a low-dark-current InGaAs avalanche photodiode
Yoshito Miyamoto (Waseda Univ.), Kenji Tsujino (Tokyo Women's Medical Univ.), Jun Kataoka (Waseda Univ.), Akihisa Tomita (Hokkaido Univ.)
(43) 14:40-16:20 [Poster Presentation]
Logic level circuit optimization for topological quantum computation
Shigeru Yamashita (Ritsumeikan Univ.), Simon Devitt, Kae Nemoto (NII)
(44) 14:40-16:20 [Poster Presentation]
Polarization-entangled photon-pair generation by cascaded SHG/SPDC processes in PPLN waveguide device
Tadashi Kishimoto (OKI), Naoto Namekata, Takahide Sakaidani (Nihon Univ.), Shin Arahira, Hitoshi Murai (OKI), Shuichiro Inoue (Nihon Univ.)
(45) 14:40-16:20 [Poster Presentation]
Estimation of the coupling constants of a three-qubit chain via a single sequence of measurements on the edge qubit
Satoshi Ando, Kazuya Yuasa (Waseda Univ.)
(46) 14:40-16:20 [Poster Presentation]
Comparison of the methods about optical phase measurement beating the standard quantum limit
Takafumi Ono, Ryo Okamoto, Shigeki Takeuchi (Hokkaido Univ./Osaka Univ.)
(47) 14:40-16:20 [Poster Presentation]
Entanglement between superconducting qubits and photon qubits
Kensuke Nakata, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.)
(48) 14:40-16:20 [Poster Presentation]
Separability on the covariance matrix for two photonic families of non-Gaussian entangled states
Ryo Namiki (Kyoto Univ.)
(49) 14:40-16:20 [Poster Presentation]
Atomic phase lock with quantum filtering
Kosuke Sugiyama, Naoki Yamamoto (Keio Univ.), Nobuyasu Shiga (JST), Makoto Takeuchi (Univ. of Tokyo)
(50) 14:40-16:20 [Poster Presentation]
Ultra-low dark count Superconducting single photon detectors: Spectral dependence of detection efficiency
Shanthi Subashchandran, Ryo Okamoto, Akira Tanaka, Masayuki Okano (Hokkaido Univ), Labao Zhang, Lin Kang, Jian Chen, Peiheng Wu (Nanjing Univ), Shigeki Takeuchi (Hokkaido Univ)
(51) 14:40-16:20 [Poster Presentation]
Stabilization of Continuous Variable Cluster State via Cooperative Control
Go Tajimi, Naoki Yamamoto (Keio Univ.)
(52) 14:40-16:20 [Poster Presentation]
Time evolution of entanglement distillation via photon subtraction
Yoichiro Takeda, Yusuke Ikeda, Yuzuru Kato, Naoki Yamamoto (Keio Univ.)
(53) 14:40-16:20 [Poster Presentation]
Lower bounds of the error probability in estimating classical and quantum states
Takuya Kubo, Hiroshi Nagaoka (UEC)
(54) 14:40-16:20 [Poster Presentation]
Quantum Zeno effect with a superconducting qubit
Yuichiro Matsuzaki, Shiro Saito, Kosuke Kakuyanagi, Kouichi Semba (NTT)
(55) 14:40-16:20 [Poster Presentation]
Theory of Josepshon pi-junction through a ferromagnetic-insulator
Shuhei Nakamura, Satofumi Souma, Matsuto Ogawa (Kobe Univ), Shiro Kawabata (AIST)
(56) 14:40-16:20 [Poster Presentation]
Observation of an ultra-narrowband parametric gain in photonic crystal coupled high-Q cavities
Nobuyuki Matsuda, Hiroki Takesue, Eiichi Kuramochi, Masaya Notomi (NTT)
(57) 14:40-16:20 [Poster Presentation]
Polarization-entangled photon-pair generation using a polarization-rotator-integrated silicon photonic circuit
Hanna Le Jeannic, Nobuyuki Matsuda, Hiroki Takesue, Hiroshi Fukuda, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi, Yasuhiro Tokura (NTT)

Announcement for Speakers
General TalkEach speech will have 15 minutes for presentation and 5 minutes for discussion.
Invited TalkEach speech will have 35 minutes for presentation and 5 minutes for discussion.
Poster PresentationEach speech will have 100 minutes for presentation.

Contact Address and Latest Schedule Information
QIT Technical Committee on Quantum Information Technology (QIT)   [Latest Schedule]
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Last modified: 2011-11-07 15:14:44


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