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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| QIT (2nd) |
2023-05-29 10:40 |
Kyoto | Katsura Campus, Kyoto University | Nonlocal properties of conjugations and their role in quantum network sensing Jisho Miyazaki (Rits), Seiseki Akibue (NTT) |
There are quantum information processing protocols that require quantum operations invariant under complex-conjugations.... [more] | |
| QIT (2nd) |
2023-05-29 15:15 |
Kyoto | Katsura Campus, Kyoto University | Exponentially tighter cost bound of quantum error mitigation in scrambling quantum circuits Kento Tsubouchi, Takahiro Sagawa, Nobuyuki Yoshioka (UTokyo) |
In this work, we provide a unified way to analyze the sample complexity of various quantum error mitigation methods usin... [more] | |
| QIT (2nd) |
2023-05-29 15:30 |
Kyoto | Katsura Campus, Kyoto University | Simultaneous estimation of the positions of two close incoherent optical point sources Masataka Kimizu, Fuyuhiko Tanaka, Akio Fujiwara (Osaka Univ.) |
Recently, the problem of estimating the positions of two optical point sources has been studied with applications to ast... [more] | |
| QIT (2nd) |
2023-05-30 10:45 |
Kyoto | Katsura Campus, Kyoto University | Design of multi-controlled qubit gates using qutrits and challenges for implementation to IBM Quantum Rikuto Ojima, Yutaro Iiyama, Wonho Jang (Tokyo Univ.), Naoki Kanazawa, Tamiya Onodera (TRL), Koji Terashi (Tokyo Univ.) |
The multi-controlled bit gate is ubiquitous for quantum algorithms, and is an essential gate for superconducting quantum... [more] | |
| QIT (2nd) |
2023-05-30 11:00 |
Kyoto | Katsura Campus, Kyoto University | Efficient measurement in quantum subspace expansion. Yuma Nakamura (IBM Japan), Yoshichika Yano, Nobuyuki Yoshioka (UTokyo) |
Estimation of physical observables for unknown quantum states is an important problem that underlies a wide range of fie... [more] | |
| QIT (2nd) |
2023-05-30 11:15 |
Kyoto | Katsura Campus, Kyoto University | Acceleration of Quantum Circuit Simulation through Low-level Optimization Nilton Filho, Taketoshi Iyota (Soka Univ.) |
Simulating quantum computation on a classical computer has many applications, including verification of quantum algorith... [more] | |
| QIT (2nd) |
2023-05-30 15:20 |
Kyoto | Katsura Campus, Kyoto University | Weak values and the past of a quantum particle Jonte R Hance (Hiroshima Univ.; Univ. of Bristol), John G Rarity, James Ladyman (Univ. of Bristol) |
We present three issues with using a nonzero weak value of the spatial projection operator to infer the past path of an ... [more] | |
| QIT (2nd) |
2023-05-30 16:05 |
Kyoto | Katsura Campus, Kyoto University | Quantum channel encoding and its applications Yusuke Ogata (TokyoTech), Ryuhei Mori (Nagoya Univ.) |
In this study, we consider a general framework for encoding an unknown quantum channel into a quantum state by oracle ac... [more] | |
| RCC, ISEC, IT, WBS | 2023-03-15 13:50 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
A Study on Hybrid Key Agreement with Post Quantum Cryptography and Quantum Key Distribution Sakae Chikara, Tsunekazu Saito (NTT)  IT2022-129 ISEC2022-108 WBS2022-126 RCC2022-126 |
This paper discusses the issues involved in combining key-sharing schemes with different security rationales, such as qu... [more] | IT2022-129 ISEC2022-108 WBS2022-126 RCC2022-126 pp.386-392 |
| QIT (2nd) |
2022-12-08 17:30 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Measurement-based Quantum Reservoir Computing Toshiki Yasuda, Yudai Suzuki (Keio), Tomoyuki Kubota, Kohei Nakajima (Tokyo), Caoch (MITSUBISHI CHEMICAL), Hendra Nurdin (UNSW), Naoki Yamamoto (Keio) |
The conventional QRC (Quantum Reservoir Computing) model using a quantum computer has a problem that it lacks nonlineari... [more] | |
| QIT (2nd) |
2022-12-08 18:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Quantum subspace expansion based on fermionic shadow tomography for k-RDM estimation Nayuta Takemori (Osaka Univ.), Nobuyuki Yoshioka (Tokyo Univ.), Wataru Mizukami (Osaka Univ.) |
The reduced density matrix in quantum many-body systems is extremely useful in elaborating physical properties, as it co... [more] | |
| QIT (2nd) |
2022-12-09 10:30 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Refined security proof of the binary-modulation continuous-variable quantum key distribution Takaya Matsuura (RMIT Univ.), Shinichiro Yamano (Univ. of Tokyo), Yui Kuramochi (Kyushu Univ.), Toshihiko Sasaki, Masato Koashi (Univ. of Tokyo) |
Continuous-variable (CV) quantum key distribution (QKD) has its distinct advantages in lower-cost implementation and mu... [more] |
|
| QIT (2nd) |
2022-12-09 12:30 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Universal cost bound of quantum error mitigation based on quantum estimation theory Kento Tsubouchi, Takahiro Sagawa, Nobuyuki Yoshioka (UTokyo) |
In this work, we provide a unified way to analyze the cost of various quantum error mitigation methods using the quantum... [more] | |
| QIT (2nd) |
2022-12-09 12:45 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Constructing quantum decoders based on complementarity principle Yoshifumi Nakata (KU), Takaya Matsuura (RMIT), Masato Koashi (UT) |
Decoding quantum information from noisy quantum systems is crucial in quantum information science and in fundamental phy... [more] | |
| QIT (2nd) |
2022-12-09 16:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
A new information criterion for quantum state estimation Hiroshi Yano, Naoki Yamamoto (Keio Univ.) |
Recently a number of efficient methods for quantum state estimation have been proposed, demanding methods for accurate s... [more] | |
| QIT (2nd) |
2022-12-09 16:30 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Error trade-off relation for estimating momentum shift of relativistic spin-1/2 particle Shin Funada, Jun Suzuki (UEC) |
We study the estimation of the momentum shift of a relativistic spin-1/2 particle described by a gaussian wave function ... [more] | |
| QIT (2nd) |
2022-12-09 16:45 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Universal decoding of a single qubit information: deterministic and exact protocol Satoshi Yoshida (UTokyo), Akihito Soeda (NII), Mio Murao (UTokyo) |
In this work, we report a deterministic and exact protocol to reverse any unknown qubit-encoding isometry operation. We ... [more] | |
| QIT (2nd) |
2022-12-08 14:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
QestOptPOVM: Numerical search for finding an optimal POVM for multiparameter estimation Jianchao Zhang, Jun Suzuki (UEC) |
It is of fundamental question to find an optimal measurement (POVM) that extracts the most information available about t... [more] | |
| QIT (2nd) |
2022-12-08 14:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Efficient polarization-entangled photon-pair generation by passive optical components: Theoretical background Kaito Shimizu, Emi Yukawa, Kaoru Sanaka (TUS) |
Polarization-entangled photon pairs are attracting much attention as a source of various quantum information technologie... [more] | |
| QIT (2nd) |
2022-12-08 14:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Quantum Noise Measurements with a GHz-Bandwidth Low-Noise Balanced Detector Sakurako Seino, Takuya Hirano (Gakushuin Univ.) |
Homodyne detection is widely used as a means of measuring the quadrature-phase amplitude of light, and a broadband balan... [more] | |
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