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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 37  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IT 2020-07-16
16:40
Online Online Quantum Noise Analysis for Quantum Computer -- Error model in large scale quantum many body system and examples --
Osamu Hirota (Chuo Univ.) IT2020-17
Quantum computers are expected to provide very attractive capabilities, and our common challenge is to realize them as r... [more] IT2020-17
pp.37-42
IT, SIP, RCS 2020-01-24
11:10
Hiroshima Hiroshima City Youth Center Fisher information and quantum gyro sensor -- Ikehara's interpretation of quantum probability theory --
Osamu Hirota (Tamagawa Univ.) IT2019-69 SIP2019-82 RCS2019-299
In quantum information science, information theory researchers should lead physics researchers in order to execute Wiene... [more] IT2019-69 SIP2019-82 RCS2019-299
pp.191-196
IT 2019-09-06
11:35
Oita Yufuin Kenshujo, Nippon Bunri University Application of quantum Pinsker inequality -- Contribution of Umegaki and Ohya --
Osamu Hirota (Tamagawa Univ.) IT2019-30
In the 1960s, Shikao Ikehara promoted the research of Hisaharu Umegaki in the field of a pure mathematics, based on the W... [more] IT2019-30
pp.23-28
IT 2018-07-20
14:45
Nara Yamato Kaigishitsu Quantum & Classical Radar Camera for Automotive and Effect of Fog-3 -- Application of Winer expansion to Tatarskii theory --
Osamu Hirota (Tamagawa Univ.) IT2018-26
In 40th SITA and IT workshop at March 2018, we have given the theoretical framework to describe communication channel mo... [more] IT2018-26
pp.79-84
WBS, IT, ISEC 2018-03-09
15:45
Tokyo Katsusika Campas, Tokyo University of Science Quantum &Classical Radar Camera for Automotive and Effect of Fog-2 -- Sparse Modeling --
Osamu Hirota (Tamagawa Univ.) IT2017-137 ISEC2017-125 WBS2017-118
In 40th SITA, we have reported the theory of dynamic fog which is
the most important subject to sensors of self drivin... [more]
IT2017-137 ISEC2017-125 WBS2017-118
pp.201-206
ITE-BCT, OCS, OFT, IEE-CMN
(Joint) [detail]
2014-11-13
13:25
Hiroshima   Transmission Experiment of 100-Gb/s Y-00 Quantum Stream Cipher using Wavelength-Division Multiplexing
Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2014-85
(Advance abstract in Japanese is available) [more] OCS2014-85
pp.13-18
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]
CS, OCS
(Joint)
2014-01-22
11:10
Tokyo Hajijo-jima Ohgagou Kouminkan General analysis on secure space-division multiplexed fiber system by Bell Labs
Osamu Hirota, Kentaro Kato (Tamagawa Univ.) OCS2013-93
Recently, the security of optical communications has been regarded as important matter for next generation network. In o... [more] OCS2013-93
pp.7-12
OCS, OFT, ITE-BCT, IEE-CMN
(Joint) [detail]
2013-11-22
13:25
Niigata Nagaoka University of Technology An Experimental Study on Secure Optical Access System using Y-00 Cipher
Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2013-89
 [more] OCS2013-89
pp.39-44
LQE, OCS, OPE 2013-10-25
13:05
Fukuoka   A study on Y-00 cipher communication for high capacity by wavelength division multiplexing
Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2013-71 OPE2013-117 LQE2013-87
 [more] OCS2013-71 OPE2013-117 LQE2013-87
pp.107-112
OCS, PN, NS
(Joint)
2013-06-21
14:10
Fukushima College of Engineering, Nihon University Cyber Attack Against Optical Communication System and Its Defense Technology -- Towards Development of Quantum Enigma Cipher --
Osamu Hirota (Tamagawa Univ.) OCS2013-18
Recently, the cyber security and reliability in a digital cloud system are regarded as the most important task force to ... [more] OCS2013-18
pp.43-48
QIT
(2nd)
2013-05-27
10:30
Hokkaido Hokkaido Univ. On misconception of Koashi's key rate theory of quantum key distribution
Osamu Hirota (Tamagawa Univ.)
It has been pointed out many times by Yuen that the security theory of quantum key distribution(QKD) originated by Shor-... [more]
IT 2013-05-24
10:50
Fukui Hotel Matuya Sensen at Awara-onsen, Fukui Pref. Holevo capacity of quantum Gaussian channel with limited bandwidth
Yong Jiao, Masaki Sohma, Osamu Hirota (Tamagawa Univ.) IT2013-3
It is easy to calculate of the Holevo capacity of quantum Gaussian channel without limited bandwidth.However ,for a re... [more] IT2013-3
pp.9-12
PN 2013-03-12
14:10
Okinawa Okinawa-ken Seinen-Kaikan Prevention Properties of Optical-CDMA and Y-00 Quantum Stream Cipher against Signal Altenation Attacks
Takehisa Iwakoshi, Osamu Hirota (Tamagawa Univ.) PN2012-89
In the modern society, mathematical ciphers are often used to protect transmitted data. However, there are possibilities... [more] PN2012-89
pp.65-69
IT, ISEC, WBS 2013-03-08
11:45
Osaka Kwansei Gakuin Univ., Osaka-Umeda Campus On fundamental defect of rate theory of quantum key distribution and quantum repeater
Osamu Hirota (Tamagawa Univ.) IT2012-92 ISEC2012-110 WBS2012-78
It has been pointed out many times by several researchers that the security theory of quantum key distribution(QKD) orig... [more] IT2012-92 ISEC2012-110 WBS2012-78
pp.189-194
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
OPE, LQE, OCS 2012-10-25
10:15
Miyazaki   Running performance of 2.5 Gb/s Y-00 Transceiver prototype -- Characteristics of transmission in a field optical fiber of 160 km --
Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2012-44 OPE2012-95 LQE2012-61
 [more] OCS2012-44 OPE2012-95 LQE2012-61
pp.19-24
ISEC 2012-05-18
13:25
Tokyo Kikai-Shinko-Kaikan Bldg. Incompleteness of the criterion for information theoretically key agreement
Osamu Hirota (Tamagawa Univ.) ISEC2012-2
Despite theoretical haughty claim on the security of quantum key distribution (QKD), even the security for the basic mod... [more] ISEC2012-2
pp.5-10
CS, OCS
(Joint)
2012-01-27
10:50
Mie ISESHI-KANKOUBUNKAKAIKAN Y-00 quantum stream cipher adapting to 100 Gbit/sec data encryption
Osamu Hirota (Tamagawa Univ.) OCS2011-115
100 Gbit/sec is so popular at present system for
data center optical communications. The security for such systems is ... [more]
OCS2011-115
pp.55-60
CS, OCS
(Joint)
2012-01-27
11:15
Mie ISESHI-KANKOUBUNKAKAIKAN WDM transmission experiment of Y-00 stream cipher
Fumio Futami, Osamu Hirota (Tamagawa Univ.) OCS2011-116
The internet provides a convenient life today, the personal information and proprietary information are transmitted in t... [more] OCS2011-116
pp.61-66
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