Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, CS (Joint) |
2024-01-11 13:50 |
Kagoshima |
|
20-GHz clocked quantum key distribution using two-stage Mach-Zehnder intensity modulation Atsushi Taniguchi, Yasuyuki Sanari, Hirokazu Takahashi, Kazuaki Obana, Hideki Nishizawa, Koichi Takasugi, Hsin-Pin Lo, Takuya Ikuta, Toshimori Honjo, Hiroki Takesue (NTT) CS2023-95 |
We demonstrated the first 20-GHz clocked quantum key distribution using 2-stage Mach-Zehnder intensity modulation. A 41.... [more] |
CS2023-95 pp.10-12 |
QIT (2nd) |
2023-12-19 09:30 |
Okinawa |
OIST (Primary: On-site, Secondary: Online) |
Evaluation of Photon Number Distribution for Security Ensuring of Quantum Key Distribution Ryoji Matsumoto, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) |
In QKD using WCP sources, PNS attack exploiting multiphoton pulses affects security of the system. Decoy method can be u... [more] |
|
QIT (2nd) |
2023-12-17 17:30 |
Okinawa |
OIST (Primary: On-site, Secondary: Online) |
An Effective Countermeasure against Time-Shift Attack and Comprehensive Analyses of Decoy-State QKD under Finite-Size Effects Toshitsugu Kato, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) |
One factor hindering the practical implementation of quantum cryptography is the vulnerability to eavesdropping attacks ... [more] |
|
QIT (2nd) |
2023-12-17 17:30 |
Okinawa |
OIST (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Low-noise balanced detector with > 10 dB noise clearance at 7 GHz Sakurako Seino, Miwa Naka, Takuya Hirano (Gakushuin Univ.) |
Homodyne detection is widely used as a means of measuring the quadrature-phase amplitude of light, and in order to speed... [more] |
|
QIT (2nd) |
2023-12-17 17:30 |
Okinawa |
OIST (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Verification of identifiability of quantum states in quantum key delivery Shunya Tajima, Atsushi Okamoto, Akihisa Tomita (hokudai) |
In quantum key distribution, it is required that when creating the transmission state, the state is identical in all deg... [more] |
|
RCS, SAT (Joint) |
2023-09-01 15:35 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Feasibility Study of Physical-Layer Cryptography and Line-of-Sight Quantum Key Distribution over GEO-Ground Links based on Link Budget Calculation Hiroyuki Endo, Masahide Sasaki, Mikio Fujiwara (NICT) SAT2023-47 |
Since the channel is highly directional and line-of-sight, it is reasonable to assume that an eavesdropper is hard to fu... [more] |
SAT2023-47 pp.60-65 |
EMM, BioX, ISEC, SITE, ICSS, HWS, IPSJ-CSEC, IPSJ-SPT [detail] |
2023-07-25 13:20 |
Hokkaido |
Hokkaido Jichiro Kaikan |
ISEC2023-35 SITE2023-29 BioX2023-38 HWS2023-35 ICSS2023-32 EMM2023-35 |
The Hardware Security Technical Committee invited the author to give a presentation about his recent elevation to IEEE F... [more] |
ISEC2023-35 SITE2023-29 BioX2023-38 HWS2023-35 ICSS2023-32 EMM2023-35 pp.141-146 |
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 15:00 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Quantum Signal Transmission Experiment for Line-of-sight Quantum Key Distribution Hiroyuki Endo, Mitsuo Kitamura, Shunsuke Ozawa (NICT), Ryosuke Shimizu (UEC), Mikio Fujiwara, Masahide Sasaki (NICT) SAT2023-13 |
Quantum key distribution (QKD) can be secure against any physically allowable attacks. Its transmission distance and key... [more] |
SAT2023-13 pp.19-24 |
QIT (2nd) |
2023-05-30 15:50 |
Kyoto |
Katsura Campus, Kyoto University |
General treatment of trusted receiver noise in continuous variable quantum key distribution Shinichiro Yamano (UT), Takaya Matsuura (RMIT University), Yui Kuramochi (Kyushu Univ.), Toshihiko Sasaki, Masato Koashi (UT) |
Continuous Variable (CV) quantum key distribution (QKD) is a promising candidate for practical implementations due to it... [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) |
2022-12-09 10:15 |
Kanagawa |
Keio Univ. (Primary: On-site, Secondary: Online) |
Finite-size security proof of binary-modulation continuous-variable quantum key distribution using only heterodyne measurement Shinichiro Yamano (Univ. of Tokyo), Takaya Matsuura (RMIT Univ.), Yui Kuramochi (Kyushu Univ.), Toshihiko Sasaki, Masato Koashi (Univ. of Tokyo) |
Continuous-variable quantum key distribution (CV QKD) has many practical advantages including compatibility with current... [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) |
2022-12-08 14:00 |
Kanagawa |
Keio Univ. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Quantum State Generation using DPQPSK Modulator for High Speed Quantum Key Distribution Yuki Sugawara, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
In implementing a high-speed QKD system, distortions in the modulation signal degrade the performance of the QKD system.... [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] |
|
QIT (2nd) |
2022-05-30 - 2022-05-31 |
Online |
Online |
[Poster Presentation]
Security against collective attacks for a continuous-variable quantum key distribution protocol using homodyne detection and postselection Ryo Namiki (Gakushuin) |
(To be available after the conference date) [more] |
|
QIT (2nd) |
2022-05-30 13:30 |
Online |
Online |
[Poster Presentation]
Experimental demonstration of a local homodyne measurement Arora Devanshi (Shizuoka Univ.), Go Kato (NICT), Takuya Hirano (Gakushuin Univ.), Masaki Owari (Shizuoka Univ.) |
Balanced homodyne detection is an essential tool to realize continuous variable (CV) quantum communication protocols. A ... [more] |
|
RCC, WBS, SAT, MICT |
2022-05-26 15:50 |
Online |
Online |
Construction of high-efficient information reconciliation method using polar codes and adaptive post selection for continuous-variable quantum key distribution Yamaura Kensuke (NITech), Endo Hiroyuki (NICT), Yamashita Yuma, Okamoto Eiji (NITech), Toyoshima Morio (NICT) WBS2022-11 RCC2022-11 SAT2022-11 MICT2022-11 |
Quantum key distribution using optical laser satellites has currently been attracting attention for its information-theo... [more] |
WBS2022-11 RCC2022-11 SAT2022-11 MICT2022-11 pp.52-57 |
QIT (2nd) |
2021-11-30 - 2021-12-01 |
Online |
Online |
[Poster Presentation]
Analysis of the effects of the two-photon temporal distinguishability on measurement-device-independent quantum key distribution Haobo Ge, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.), Kazuhisa Ogawa (Osaka Univ.) |
Measurement-device-independent quantum key distribution (MDI-QKD) protects the receiver from attacks against the measure... [more] |
|
QIT (2nd) |
2021-11-30 15:30 |
Online |
Online |
[Invited Talk]
Recent progress in the security proof of quantum key distribution in the finite-key regime Toshihiko Sasaki (Univ. of Tokyo) |
We show a finite-key analysis method for a broad type of quantum key distribution protocols based on a numerical optimiz... [more] |
|