| 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) |