Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SCE |
2022-01-21 15:30 |
Online |
Online |
Gamma-ray transition edge sensors with a thick-trilayer membrane; Thermal Property & Microwave Multiplexing Takahiro Kikuchi, Go Fujii (AIST), Ryota Hayakawa (TMU), Ryan Smith (UTokyo), Fuminori Hirayama, Yasushi Sato, Satoshi Kohjiro, Masahiro Ukibe (AIST), Masashi Ohno (UTokyo), Akira Sato, Hirotake Yamamori (AIST) SCE2021-16 |
Thick membranes of the gamma-ray transition-edge sensor (γ-TES) generally exhibit great mechanical strength and can supp... [more] |
SCE2021-16 pp.22-27 |
LQE, LSJ |
2019-05-31 09:30 |
Shiga |
|
Study of quantum state conversion from photons to electron spins for long-distance quantum communications Akira Oiwa (Osaka Univ.) LQE2019-16 |
We study the quantum state conversion from photons to electron spins in quantum dots, its efficient conversion and entan... [more] |
LQE2019-16 pp.19-22 |
QIT (2nd) |
2019-05-20 09:40 |
Fukuoka |
Kyushu University, Chikushi Campus |
Heralded amplification of nonlocality via entanglement swapping for long-distance device-independent quantum key distribution Yoshiaki Tsujimoto (NICT), Chenglong You (LSU), Kentaro Wakui, Mikio Fujiwara, Kazuhiro Hayasaka, Shigehito Miki, Hirotaka Terai, Masahide Sasaki (NICT), Jonathan P. Dowling (LSU), Masahiro Takeoka (NICT) |
To realize the practical implementation of device-independent quantum key distribution~(DIQKD), the main difficulty is t... [more] |
|
QIT (2nd) |
2019-05-20 12:00 |
Fukuoka |
Kyushu University, Chikushi Campus |
One-Shot Randomized and Nonrandomized Partial Decoupling Eyuri Wakakuwa (UEC), Yoshifumi Nakata (Kyoto U) |
We introduce a task that we call partial decoupling, in which a bipartite quantum state is transformed by a unitary oper... [more] |
|
QIT (2nd) |
2019-05-20 17:50 |
Fukuoka |
Kyushu University, Chikushi Campus |
Numerical analysis of decoy state BBM92 quantum key distribution protocol with multi-photon rejection source Takumi Matsuura, Liang Min, Kazuhisa Ogawa, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) |
The BB84 protocol, which is a representative quantum key distribution protocol, requires a single photon source as a lig... [more] |
|
QIT (2nd) |
2015-11-25 15:20 |
Kanagawa |
NTT Atsugi R&D center |
Security of Quantum Key Distribution from Attacker's View Takehisa Iwakoshi (Tamagawa Univ.) |
In 2005, trace distance between an ideal quantum state to be distributed and an actual quantum state distributed was int... [more] |
|
QIT (2nd) |
2014-05-12 16:30 |
Aichi |
Nagoya Univ. |
Problem with Interpretation of Trace Distance as Failure Probability in Quantum Key Distribution Takehisa Iwakoshi, Osamu Hirota (Tamagawa Univ.) |
Quantum Key Distribution (QKD) has been attracting attention as an important technique to share an information-theoretic... [more] |
|
ISEC, IT, WBS |
2014-03-11 10:35 |
Aichi |
Nagoya Univ., Higashiyama Campus |
Numerical analysis of optimal quantum cloning machines for trine states Akira Koyama, Jun Suzuki (Univ. of Electro-Comm.) IT2013-76 ISEC2013-105 WBS2013-65 |
We study optimal quantum cloning machines for trine qubit states numerically.
In this work, we address the problem of ... [more] |
IT2013-76 ISEC2013-105 WBS2013-65 pp.135-140 |
OCS, CS (Joint) |
2013-01-25 13:20 |
Ehime |
Ehime Univ. |
Y-00 quantum cipher from transmitter using directly modulated DFB Laser for secure access networks
-- 80-km transmission experiment at 2.5 Gb/s -- Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2012-94 |
Recently National Security Agency (NAS) and Defense Advanced Research Projects Agency (DARPA) in the United States are f... [more] |
OCS2012-94 pp.53-58 |
QIT (2nd) |
2011-11-22 14:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Entanglement generation by communication using squeezed state Fumiaki Matsuoka, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
In entanglement generation between two atoms by communication, coherent light has been considered as a probe of atomic s... [more] |
|
COMP |
2006-06-23 15:35 |
Saitama |
Saitama Univ. |
Notes on Voronoi Diagrams for Pure Quantum States Kimikazu Kato (Nihon Unisys/Univ. of Tokyo), Mayumi Oto (Toshiba), Hiroshi Imai (Univ. of Tokyo), Keiko Imai (Chuo Univ.) |
We give a new geometric interpretation of quantum pure states. We reinterpret the structure of the space of pure states ... [more] |
COMP2006-24 pp.49-55 |