Tue, May 28 AM Opening
Chair: Kunihiro Inomata (AIST)
09:30 - 09:40 |
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09:30-09:40 |
Opening Address ( 10 min. ) |
Tue, May 28 AM Session 1
Chair: Yutaka Shikano (Tsukuba Univ.)
09:40 - 10:40 |
| (1) |
09:40-10:00 |
Quantum Walks on Simplicial Complexes and Harmonic Homology
-- Application to Topological Data Analysis with Superpolynomial Speedups -- |
Ryu Hayakawa (Kyoto Univ.), Kuo-Chin Chen, Min-Hsiu Hsieh (Foxconn Research) |
| (2) |
10:00-10:20 |
On the Power of Quantum Distributed Proofs |
Atsuya Hasegawa (UTokyo), Srijita Kundu (IQC), Harumichi Nishimura (Nagoya University) |
| (3) |
10:20-10:40 |
The simulation of Clifford + T circuit with ZX-diagram and tensor networks |
Hidetaka Manabe (Osaka univ), Nobuyuki Yoshioka (Tokyo univ) |
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10:40-10:50 |
Break ( 10 min. ) |
Tue, May 28 AM Invited Talk 1
Chair: Manabu Tsujimoto (AIST)
10:50 - 11:40 |
| (4) |
10:50-11:40 |
[Invited Talk]
Generalized scaling of the spin qubit coherence and its application |
Shun Kanai (Tohoku Univ.) |
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11:40-13:00 |
Lunch Break ( 80 min. ) |
Tue, May 28 PM Poster Session
13:00 - 14:30 |
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Posters are listed at the end of the Program. |
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14:30-14:40 |
Break ( 10 min. ) |
Tue, May 28 PM Invited Talk 2
Chair: Kunihiro Inomata (AIST)
14:40 - 15:30 |
| (5) |
14:40-15:30 |
[Invited Talk]
Superconducting Digital Circuits: Toward Applications in Quantum Computing |
Naoki Takeuchi (AIST) |
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15:30-15:40 |
Break ( 10 min. ) |
Tue, May 28 PM Session 2
Chair: Suguru Endo (NTT)
15:40 - 17:00 |
| (6) |
15:40-16:00 |
Catalytic transformation from computationally universal to strictly universal measurement-based quantum computation |
Yuki Takeuchi (NTT) |
| (7) |
16:00-16:20 |
Measurement-only dynamical phase transition of topological and boundary order |
Takahiro Orito (UTokyo, ISSP), Yoshihito Kuno (Akita Univ.), Ikuo Ichinose (NItech) |
| (8) |
16:20-16:40 |
Quantum phase transition of graph states in presence of depolarizing noise |
Tatsuya Numajiri, Shion Yamashita (Chuo Univ.), Ryosuke Yoshii (Sanyo-Onoda City Univ.), Yuki Takeuchi (NTT), Shunji Tsuchiya (Chuo Univ.) |
| (9) |
16:40-17:00 |
Explicit construction of decoders for general noisy channels using the quantum singular value transformation |
Takeru Utsumi (Univ. of Tokyo), Yoshifumi Nakata (Kyoto Univ.) |
Tue, May 28 PM Student Award Ceremony
17:00 - 17:15 |
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17:00-17:15 |
Student Award Ceremony ( 15 min. ) |
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17:30-19:30 |
Social gathering ( 120 min. ) |
Wed, May 29 AM Session 3
Chair: Hayato Goto (RIKEN)
09:30 - 10:30 |
| (10) |
09:30-09:50 |
Performance analysis of quantum error correction for the binomial code without ancillary qubits |
Yuuki Tanaka (Chuo Univ.), Yuichiro Mori (AIST), Yuta Shingu (Tokyo Univ. of Sci.), Tsuyoshi Yamamoto, Aiko Yamaguchi (NEC), Yuichiro Matsuzaki (Chuo Univ.) |
| (11) |
09:50-10:10 |
Hardware-efficient dissipative quantum error correction for squeezed cat codes |
Gabriel Mintzer (MIT), Tomohito Shitara, Yuuki Tokunaga, Suguru Endo (NTT) |
| (12) |
10:10-10:30 |
Symmetric Clifford twirling for cost-optimal quantum error mitigation in early FTQC regime |
Kento Tsubouchi, Yosuke Mitsuhashi (UTokyo), Kunal Sharma (IBM Quantum), Nobuyuki Yoshioka (UTokyo) |
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10:30-10:40 |
Break ( 10 min. ) |
Wed, May 29 AM Invited Talk 3
Chair: Toyofumi Ishikawa (AIST)
10:40 - 11:30 |
| (13) |
10:40-11:30 |
[Invited Talk]
Toward large scale cryogenic quantum computer systems |
Teruo Tanimoto (Kyushu Univ.) |
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11:30-12:50 |
Lunch Break ( 80 min. ) |
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12:50-13:00 |
Group photo ( 10 min. ) |
Wed, May 29 PM Invited Talk 4
Chair: Yoshiro Urade (AIST)
13:00 - 13:50 |
| (14) |
13:00-13:50 |
[Invited Talk]
Rapid development of cold-atom quantum computers and their prospect (version May 2024) |
Takafumi Tomita (IMS) |
Wed, May 29 PM Session 4
Chair: Yoshiro Urade (AIST)
13:50 - 14:30 |
| (15) |
13:50-14:10 |
Performance evaluation of the siZZle-CZ gate as two-qubit gates in frequency-fixed superconducting integrated qubit chips |
Kazuhisa Ogawa (Osaka Univ.), Yutaka Tabuchi (RIKEN), Makoto Negoro (Osaka Univ.) |
| (16) |
14:10-14:30 |
Selective Excitation of a Superconducting Qubit with Combined Control lines through Pulse Shaping |
Ryo Matsuda (Osaka Univ.), Ohira Ryutaro, Toshi Sumida (QuEL), Hidehisa Shiomi (QIQB/QuEL), Akinori Machino (Osaka Univ./QIQB), Shinichi Morisaka (QIQB/QuEL), Keisuke Koike (e-trees.Japan), Takefumi Miyoshi (QIQB/e-trees/QuEL), Yoshinori Kurimoto, Yuuya Sugita, Yosuke Ito (QuEL), Yasunari Suzuki (NTT), Peter A. Spring, Shiyu Wang, Shuhei Tamate, Yutaka Tabuchi (RIKEN), Yasunobu Nakamura (RIKEN/UTokyo), Kazuhisa Ogawa (QIQB), Makoto Negoro (QIQB/QuEL) |
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14:30-14:45 |
Break ( 15 min. ) |
Wed, May 29 PM Session 5
Chair: Takashi Yamamoto (Osaka Univ.)
14:45 - 15:45 |
| (17) |
14:45-15:05 |
Laser Phase Control for Entanglement Sharing at Remote Locations |
Riho Amaki, Yohei Sugiyama, Yuto Shitaka (Yokohama National Univ), Tomoki Tsuno, Daisuke Yoshida (Yokohama National Univ, LQUOM Inc.), Koji Nagano (LQUOM Inc.), Tomoyuki Horikiri (Yokohama National Univ, LQUOM Inc.), Daisuke Akamatsu, Feng-Lei Hong (Yokohama National Univ.) |
| (18) |
15:05-15:25 |
668-kbps Quantum Key Distribution over 100-km Dispersion Shifted Fiber with 10 GHz Repetition Rate |
Yasuyuki Sanari, Atsushi Taniguchi, Momoko Miura, Hirokazu Takahashi, Koichi Takasugi, Hsin-Pin Lo, Takuya Ikuta, Toshimori Honjo, Hiroki Takesue (NTT) |
| (19) |
15:25-15:45 |
Connecting quantum networks with minimum cost aggregation |
Koji Azuma (NTT) |
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15:45-16:00 |
Break ( 15 min. ) |
Wed, May 29 PM Session 6
Chair: Yuimaru Kubo (OIST)
16:00 - 17:20 |
| (20) |
16:00-16:20 |
Development of 436 nm frequency-stabilized excitation light source for entangled photon pair generation |
Rina Takeda, Shinnosuke Aoyama, Kyosuke Sato, Feng-Lei Hong, Tomoyuki Horikiri, Daisuke Akamatsu (YNU) |
| (21) |
16:20-16:40 |
Development of 436-nm light source for generation of entangled photon pairs at 606 nm and 1.5µm. |
Kyosuke Sato, Shinnosuke Aoyama, Rina Takeda, Feng-Lei Hong, Tomoyuki Horikiri, Daisuke Akamatsu (YNU) |
| (22) |
16:40-17:00 |
Optical properties of photons emitted from a fiber-based single-photon source |
Kaito Shimizu, Ayumu Rikuta, Kaoru Sanaka (TUS) |
| (23) |
17:00-17:20 |
Disturbance Evaluation Circuit for Quantum Measurements and Its Experimental Demonstration on a Quantum Computer |
Haruki Emori (Hokkaido Univ.), Masanao Ozawa (Chubu Univ.), Akihisa Tomita (Hokkaido Univ.) |
Thu, May 30 AM Session 7
Chair: Yuichiro Matsuzaki (Chuo Univ.)
09:30 - 10:50 |
| (24) |
09:30-09:50 |
Harvesting intensity correlations in moving mirror model |
Masanori Tomonaga, Yasusada Nambu (Nagoya) |
| (25) |
09:50-10:10 |
Entanglement Structure in the Moving Mirror Model |
Yuki Osawa (Nagoya Univ.), Kuan-Nan Lin (National Taiwan Univ.), Yasusada Nambu (Nagoya Univ.), Masahiro Hotta (Tohoku Univ.), Pisin Chen (National Taiwan Univ.) |
| (26) |
10:10-10:30 |
Stochastic inflation and entropy bound in de Sitter spacetime |
Hiromasa Tajima, Yasusada Nambu (NU) |
| (27) |
10:30-10:50 |
Quantumness of Gravity
-- A perspective on monogamy relation -- |
Yuuki Sugiyama (ISSP), Akira Matsumura, Kazuhiro Yamamoto (Kyushu U.) |
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10:50-11:05 |
Break ( 15 min. ) |
Thu, May 30 AM Session 8
Chair: Koji Azuma (NTT)
11:05 - 12:25 |
| (28) |
11:05-11:25 |
Gravitational lensing on superposed curved spacetime |
Kaku Youka, Nambu Yasusada (Nagoya Univ.) |
| (29) |
11:25-11:45 |
The signaling dimension and the no-hypersignaling principle |
Michele Dall'Arno (Toyohashi U. of Technology) |
| (30) |
11:45-12:05 |
Relationship between Energy and Entanglement Structure in Ancilla-Assisted Energy Extraction Protocol |
Kanji Itoh, Yusuke Masaki, Hiroaki Matsueda (Tohoku Univ.) |
| (31) |
12:05-12:25 |
Phase Reduction for Quantum Synchronization by Continuous Measurement |
Wataru Setoyama, Yoshihiko Hasegawa (UTokyo) |
Thu, May 30 PM Closing
12:25 - 12:35 |
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12:25-12:35 |
Closing Address ( 10 min. ) |
Tue, May 28 PM Poster Session
13:00 - 14:30 |
| (32) |
13:00-14:30 |
[Poster Presentation]
Analytical evaluation of stochastic control error on quantum operation |
Kohei Kobayashi (NII) |
| (33) |
13:00-14:30 |
[Poster Presentation]
The guesswork of quantum benevolent ensembles |
Michele Dall'Arno (Toyohashi U. of Technology) |
| (34) |
13:00-14:30 |
[Poster Presentation]
Evaluation of Photon Loss Tolerance in Hybrid Squeezed Cat Code |
Shohei Kiryu, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) |
| (35) |
13:00-14:30 |
[Poster Presentation]
Projective squeezing for translation symmetric bosonic codes |
Suguru Endo (NTT), Keitaro Anai (UTokyo), Yuichiro Matsuzaki (Chudai), Yuuki Tokunaga, Yasunari Suzuki (NTT) |
| (36) |
13:00-14:30 |
[Poster Presentation]
Photon Counter with High-count-rate and Low-timing-jitter for High-performance Quantum Network |
Momoko Miura, Atsushi Taniguchi, Yasuyuki Sanari, Shun Kawakami, Takuya Ikuta, Hirokazu Takahashi, Koichi Takasugi (NTT) |
| (37) |
13:00-14:30 |
[Poster Presentation]
Relationship between GSIC POVMs and MUMs via MUSs II |
Masakazu Yoshida (Osaka Sangyo Univ.), Tsubasa Saishita, Yuri Serikawa |
| (38) |
13:00-14:30 |
[Poster Presentation]
The effect of digital signal processing on excess noise in continuous variable quantum key distribution |
Shinya Sano, Takuya Hirano (Gakushuin Univ.) |
| (39) |
13:00-14:30 |
[Poster Presentation]
Analysis of interaction networks of qubits and quantum feature maps in a quantum machine learning model |
Aoi Hayashi (SOKENDAI/OIST/NII), Akitada Sakurai, William J. Munro (OIST), Kae Nemoto (OIST/NII) |
| (40) |
13:00-14:30 |
[Poster Presentation]
Evaluation of Frequency Entanglement of Photon Pairs Generated in an On-Chip Micro Ring Resonator |
Hirofumi Gotoh, Ryo Okamoto (Kyoto Univ.), Brent E. Little (QXP Technology Inc.), Sai Tak CHU (CityU), Shigeki Takeuchi (Kyoto Univ.) |
| (41) |
13:00-14:30 |
[Poster Presentation]
Research on ultra-broadband entangled photon pair generation using slab waveguide type quasi-phase-matching device |
Takahiro Suzuki, Naofumi Abe (Kyoto Univ.), Mamoru Hisamitsu, Katsuhiko Tokuda (Shimadzu), Ryo Okamoto, Shigeki Takeuchi (Kyoto Univ.) |
| (42) |
13:00-14:30 |
[Poster Presentation]
Relation between pseudo-angular momentum entanglement of a biexciton and polarization entanglement of an emitted photon pair |
Takashi Otaki, Yusuke Masaki, Hiroaki Matsueda (Tohoku Univ.) |
| (43) |
13:00-14:30 |
[Poster Presentation]
The signaling dimension of polytopic generalized probabilistic theories |
Shuriku Kai, Michele Dall'Arno (TUT) |
| (44) |
13:00-14:30 |
[Poster Presentation]
Fluorescence spectra of a driven nonlinear oscillator with weak Kerr nonlinearity |
Aree Taguchi (Univ. of Tsukuba), Tsuyoshi Yamamoto (NEC) |
| (45) |
13:00-14:30 |
[Poster Presentation]
On the Convex Optimization Method for POVM Estimation of a Photon-Number-Resolving Detector
-- Estimation Accuracy and Shot Noise -- |
Akio Yoshizawa (AIST), Daiji Fukuda (AIST/OPERANDO-OIL) |
| (46) |
13:00-14:30 |
[Poster Presentation]
Calculation of Coupling Efficiency for Cryogenic Evaluation of NanoFiber Bragg Cavity |
Kengo Sakamoto, Konosuke Shimazaki (Kyoto Univ.), Hideaki Takashima (CIST/Kyoto Univ.), Shigeki Takeuchi (Kyoto Univ.) |
| (47) |
13:00-14:30 |
[Poster Presentation]
Quantum Switch of Quantum Measurements |
Amane Hamaguchi, Kazuya Yuasa (Waseda Univ.) |
| (48) |
13:00-14:30 |
[Poster Presentation]
Characterizing non-classical light from a single site in an atom array |
Kentaro Shibata, Yuya Maeda, Toshiki Kobayashi, Makoto Yamashita, Shuta Nakajima, Rikizo Ikuta, Takashi Yamamoto (Osaka Univ.) |
| (49) |
13:00-14:30 |
[Poster Presentation]
Optical quantum classifier with photons |
Shunsuke Abe (Kagawa Univ.), Wojceich Roga, Masahiro Takeoka (Keio Univ.), Takafumi Ono (Kagawa Univ.) |
| (50) |
13:00-14:30 |
[Poster Presentation]
Universal cost bound of continuous-time quantum error mitigation |
Kosuke Ito, Hideaki Hakoshima (Osaka Univ.) |
| (51) |
13:00-14:30 |
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| (52) |
13:00-14:30 |
[Poster Presentation]
Experimental Demonstration of Continuous-Time Quantum Walk in a Synthetic Frequency Dimension with Next-Nearest-Neighbor Coupling |
Shotaro Namekata, Naoto Namekata, Satoshi Ohya, Shuichiro Inoue (Nihon Univ.) |
| (53) |
13:00-14:30 |
[Poster Presentation]
Multiple alignment method using Ising Machines |
Nobuyuki Hara (Fujitsu), Wataru Onodera, Naoya Sawamura (Waseda Univ.), Koichi Kimura (Fujitsu) |
| (54) |
13:00-14:30 |
[Poster Presentation]
Loss-tolerant generation of the optical Gottesman-Kitaev-Preskill qubit |
Kosuke Fukui (Todai) |
| (55) |
13:00-14:30 |
[Poster Presentation]
On the generic increase of observational entropy in isolated systems |
Teruaki Nagasawa, Kohtaro Kato, Eyuri Wakakuwa, Francesco Buscemi (Nagoya Univ.) |