Tue, Nov 24 AM Opening
09:50 - 10:00 |
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09:50-10:00 |
Opening Address ( 10 min. ) |
Tue, Nov 24 Session I
Chair: Toshio Ohshima (Fujitsu Lab.)
10:00 - 11:00 |
| (1) |
10:00-10:20 |
Improving the coherence time of a quantum system via a coupling to a short-lived system |
Y. Matsuzaki, X. Zhu, K. Kakuyanagi, H. Toida (NTT), T. Shimoka, N. Mizuochi (Osaka Univ.), K. Nemoto (NII), K. Semba (NICT), W. J. Munro, H. Yamaguchi, S. Saito (NTT) |
| (2) |
10:20-10:40 |
Entanglement Generation by Communication using Phase-Squeezed Light with Photon Loss |
Fumiaki Matsuoka, Akihisa Tomita (Hokkaido Univ.) |
| (3) |
10:40-11:00 |
Quantum analysis of the propagation properties of weak optical signals in a hollow core optical fiber |
Akira Kitagawa (Kochi Univ.) |
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11:00-11:20 |
Break ( 20 min. ) |
Tue, Nov 24 AM Session II
Chair: Yoko Miyamoto (UEC)
11:20 - 12:40 |
| (1) |
11:20-11:40 |
Detection-dependent six-photon NOON state interference |
Rui-Bo Jin, Mikio Fujiwara (NICT), Ryosuke Shimizu (UEC), Taro Yamashita, Shigehito Miki, Hirotaka Terai, Masahiro Takeoka, Masahide Sasaki (NICT) |
| (2) |
11:40-12:00 |
Ultrahigh-purity single-photon generator at 1.5 μm using portable refrigerator |
Toshiyuki Miyazawa (Univ. Tokyo), Kazuya Takemoto (Fujitsu Labs.), Yoshihiro Nambu (NEC), Shigehito Miki, Taro Yamashita, Hirotaka Terai, Mikio Fujiwara, Masahide Sasaki, Yoshiki Sakuma (NICT), Motomu Takatsu, Tsuyoshi Yamamoto (Fujitsu Labs.), Yasuhiko Arakawa (Univ. Tokyo) |
| (3) |
12:00-12:20 |
Easy production of entangled photon pair in polarization |
Hsin-Pin Lo, Atsushi Yabushita (NCTU), Takayoshi Kobayashi (UEC) |
| (4) |
12:20-12:40 |
Direct observation of pulsed EPR entanglement measured by shaped local oscillators |
Ami Shinjo, Sachi Kikuchi, Yujiro Eto, Takuya Hirano (Gakushuin Univ.) |
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12:40-13:40 |
Lunch ( 60 min. ) |
Tue, Nov 24 PM Posters
13:40 - 15:10 |
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Posters are listed at the end of the Program. ( 90 min. ) |
Tue, Nov 24 PM Session III
Chair: Takuya Hirano (Gakushuin Univ.)
15:10 - 16:00 |
| (5) |
15:10-16:00 |
[Tutorial Lecture]
Hybrid quantum systems based on collective excitations in solids |
Yasunobu Nakamura (Univ. of Tokyo) |
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16:00-16:20 |
Break ( 20 min. ) |
Tue, Nov 24 PM Session IV
Chair: Masato Koashi (Univ. of Tokyo)
16:20 - 17:40 |
| (6) |
16:20-16:40 |
Any time inhomogeneous quantum memoryless process "converges" |
Keiji Matsumoto (NII) |
| (7) |
16:40-17:00 |
The Cost of Randomness for Converting a Tripartite Quantum State to be Approximately Recoverable |
Eyuri Wakakuwa (UEC) |
| (8) |
17:00-17:20 |
Construction of the minimal sufficient POVM on a separable Hilbert space and its uniqueness |
Yui Kuramochi (Kyoto Univ.) |
| (9) |
17:20-17:40 |
What does a quantum measurement measure about an observable? |
Masanao Ozawa (Nagoya Univ.) |
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17:40-18:00 |
Break ( 20 min. ) |
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18:00-20:00 |
Reception ( 120 min. ) |
Wed, Nov 25 AM Session V
Chair: Yasuhiro Takahashi (NTT)
10:00 - 10:50 |
| (10) |
10:00-10:50 |
[Invited Talk]
Computational Complexity of Quantum NP and Quantum AM |
Harumichi Nishimura (Nagoya Univ.) |
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10:50-11:10 |
Break ( 20 min. ) |
Wed, Nov 25 AM Session VI
Chair: Akinori Kawachi (Tokushima Univ.)
11:10 - 12:30 |
| (11) |
11:10-11:30 |
Quantum Algorithm for Triangle Finding in Sparse Graphs |
Francois Le Gall, Shogo Nakajima (Univ. Tokyo) |
| (12) |
11:30-11:50 |
Quantum interpretation of AWPP |
Tomoyuki Morimae (Gunma Univ.), Harumichi Nishimura (Nagoya Univ.) |
| (13) |
11:50-12:10 |
No error-free implementation of quantum controlled-gates is possible without prior knowledge of the target gate |
Akihito Soeda (U Tokyo), Shojun Nakyama (NII), Mio Murao (U Tokyo) |
| (14) |
12:10-12:30 |
Quantum Calculation using Spin-VortexInduced Loop Currents as a Qubits
-- Numerical simulation of Shor's algorithm and decoherence by external current as the coupler -- |
Hikaru Wakaura, Tubasa Morisaki, Hiroyasu Koizumi (Tukuba Univ.) |
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12:30-13:30 |
Lunch ( 60 min. ) |
Wed, Nov 25 PM Session VII
Chair: Akihisa Tomita (Hokkaido Univ.)
13:30 - 14:20 |
| (15) |
13:30-14:20 |
[Invited Talk]
Quantum key distribution without monitoring disturbance |
Masato Koashi (Univ. of Tokyo) |
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14:20-14:40 |
Break ( 20 min. ) |
Wed, Nov 25 PM Session VIII
Chair: Satoshi Ishizaka (Hiroshima Univ.)
14:40 - 15:40 |
| (16) |
14:40-15:00 |
Robustness of round-robin differential phase-shift quantum key distribution protocol against source flaws |
Akihiro Mizutani, Nobuyuki Imoto (Osaka Univ.), Kiyoshi Tamaki (NTT) |
| (17) |
15:00-15:20 |
Robust Decoy State Generation with a Nested Modulator |
Kensuke Nakata, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
| (18) |
15:20-15:40 |
Security of Quantum Key Distribution from Attacker's View |
Takehisa Iwakoshi (Tamagawa Univ.) |
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15:40-16:00 |
Break ( 20 min. ) |
Wed, Nov 25 PM セッション IX
Chair: Naoki Yamamoto (Keio Univ.)
16:00 - 17:10 |
| (19) |
16:00-16:20 |
Nuisance parameter problem in quantum parameter estimation theory |
Jun Suzuki (UEC) |
| (20) |
16:20-16:40 |
No-Cloning of Quantum Steering |
Che-Ming Li, Ching-Yi Chiu (NCKU) |
| (21) |
16:40-17:00 |
Localization and Fractality in Inhomogeneous Quantum Walks with Self-Duality |
Yutaka Shikano (IMS, NINS/Inst. Quantum Studies, Chapman Univ. /Tokyo Tech MRL) |
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17:00-17:10 |
Closing Address ( 10 min. ) |
Tue, Nov 24 PM Poster presentations
13:40 - 15:10 |
| (22) |
13:40-15:10 |
[Poster Presentation]
Theoretical Analysis of the Coherent Dynamics in an Inhomogeneous V-type 3-Level System of Quantum Dots |
Sayaka Kitazawa (Keio Univ.), Kouichi Akahane (NICT), Shota Ichikawa, Yuto Arai, Junko Ishi-Hayase (Keio Univ.) |
| (23) |
13:40-15:10 |
[Poster Presentation]
An analysis of degenerate optical parametric oscillators network by truncated Wigner function method |
Daiki Maruo (Univ. of Tokyo), Shoko Utsunomiya (NII), Yoshihisa Yamamoto (ImPACT) |
| (24) |
13:40-15:10 |
[Poster Presentation]
Distributed Construction of Multipartite Entangled States over Quantum Networks |
Hayata Yamasaki, Akihito Soeda, Mio Murao (Univ. Tokyo) |
| (25) |
13:40-15:10 |
[Poster Presentation]
Distinguishability of countably many states |
Ryuitiro Kawakubo, Tatsuhiko Koike (Keio Univ.) |
| (26) |
13:40-15:10 |
[Poster Presentation]
Perfect State Transfer for Linear Quantum Memory by Optimal Control |
Hideaki Nakao, Naoki Yamamoto (Keio Univ.) |
| (27) |
13:40-15:10 |
[Poster Presentation]
Generation of physical random numbers by using homodyne detection |
Kodai Hirakawa, Yusuke Oguri, Kaori Kono, Shota Oya, Takumi Nakano, Tsubasa Ichikawa, Takuya Hirano (Gakushuin Univ.), Toyohiro Tsurumaru (Mitsubishi Electric) |
| (28) |
13:40-15:10 |
[Poster Presentation]
On the measurement uncertainty via weak-value amplification for the Spin Hall Effect of Light |
Noritomo Morisawa, Lee Jaeha (Tokyo Univ.), izumi tsutsui (KEK) |
| (29) |
13:40-15:10 |
[Poster Presentation]
Approximate back-action evasion via coherent H2 control |
Yu Yokotera, Naoki Yamamoto (Keio Univ.) |
| (30) |
13:40-15:10 |
[Poster Presentation]
Dispersion-cancelled and artifact-background-free optical coherence tomography |
Kazuhisa Ogawa (Kyoto Univ./Hokkaido Univ.), Masao Kitano (Kyoto Univ.) |
| (31) |
13:40-15:10 |
[Poster Presentation]
Solution to the Mean King's Problem in Qubit-Systems Using Higher-Dimensional Quantum Error-Correcting Codes |
Toru Kuriyama, Masakazu Yoshida, Jun Cheng (Doshisha Univ.) |
| (32) |
13:40-15:10 |
[Poster Presentation]
Conditional dynamics of two level system confined by a single photon detector |
Yuta Ohyama, Yasuhiro Tokura (Tsukuba Univ) |