Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SANE, SAT (Joint) |
2023-07-12 14:20 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Construction of high-efficient information reconciliation method using fixed bit polar codes for continuous-variable quantum key distribution Kensuke Yamaura (Nitech), Hiroyuki Endo (NICT), Eiji Okamoto (Nitech), Morio Toyoshima, Mikio Fujiwara, Masahide Sasaki (NICT) SAT2023-11 |
Continuous Variable Quantum Key Distribution (CV-QKD) is being studied for various applications, including satellite-to-... [more] |
SAT2023-11 pp.7-12 |
AP, SANE, SAT (Joint) |
2023-07-12 14:40 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Improvement of key generation efficiency of free-space optical physical layer cryptography using polar code Ryuto Terada (Nitech), Hiroyuki Endo (NICT), Kensuke Yamaura, Eiji Okamoto (Nitech), Mitsuo Kitamura (NICT), Ryosuke Shimizu (UEC), Morio Toyoshima, Mikio Hujiwara, Masahide Sasaki (NICT) SAT2023-12 |
Quantum key distribution is known as a secure key sharing technology against all physically possible attacks. However, t... [more] |
SAT2023-12 pp.13-18 |
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] |
|