Yoritoshi Adachi (Ph.D)

Last update : 01 February 2011

Imoto-Koashi Laboratory,
Division of Materials Physics,
Department of Materials Engineering Science,
Graduate School of Engineering Science,
Osaka University,
1-3 Machikaneyama, Toyonaka, Osaka 560-8531, JAPAN

E-mail: adachi@qi.○○○
(Please insert ``mp.es.osaka-u.ac.jp" into ○○○.)

Fellowship

1. Research Fellow of the Japan Society for the Promotion of Science (PD),
   2010/4/1-2011/3/31.
2. Research Fellow of the Japan Society for the Promotion of Science (DC2),
   2009/4/1-2010/3/31.
   
   

Theme of Research

Quantum information theory
Quantum cryptography (Quantum key distribution)
Quantum communication

Paper

1. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Boosting up quantum key distribution by learning statistics of practical single-photon sources"
   New Journal of Physics 11, 113033 (2009)
   arXiv:quant-ph/0909.5527
   
   
2. Masato Koashi, Yoritoshi Adachi, Takashi Yamamoto, Nobuyuki Imoto
   ``Security of entanglement-based quantum key distribution with practical detectors"
   arXiv:quant-ph/0804.0891
   
   
3. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Simple and Efficient Quantum Key Distribution with Parametric Down-Conversion"
   Physical Review Letters 99, 180503 (2007)
   arXiv:quant-ph/0610118
   
   

Proceedings

1. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Passive decoy-state quantum cryptography with pseudo-single-photon sources"
   Proceedings of AQIS'08 8th Asian Conference of Quantum Information Science (Seoul, Korea) pp. 25-26
   
   

International Conference/Workshop
(The underline of a name denotes the presenter.)

1. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Boosting up quantum key distribution by learning multi-photon statistics of practical single-photon sources" (Poster)
   UQCC2010 Updating Quantum Cryptography and Communications
   ANA InterContinental Hotel, Tokyo, Japan
   2010/10/18-20
   
   
2. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Boosting up quantum key distribution with knowledge of higher-order emission statistics of practical single-photon sources" (Poster)
   QCMC 2010 The Tenth International Conference on Quantum Communication, Measurement and Computation
   University of Queensland, Brisbane, Queensland, Australia
   2010/07/19-23
   
   
3. Yuya Kobayashi, Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Unconditional security of QKD based on three bases with threshold detectors" (Poster)
   QCMC 2010 The Tenth International Conference on Quantum Communication, Measurement and Computation
   University of Queensland, Brisbane, Queensland, Australia
   2010/07/19-23
   
   
4. Yuya Kobayashi, Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Security of quantum key distribution with threshold detectors based on three bases" (Poster)
   International Symposium on Physics of Quantum Technology (ISPQT)
   Hitotsubashi Memorial Hall, Tokyo, Japan
   2010/04/06-09
   
   
5. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Passive-decoy-state quantum cryptography with partly characterized sources" (Poster)
   QIPC2009 International Conference on Quantum Information Processing and Communication
   Rome, Italy
   2009/09/21-25
   
   
6. Yuya Kobayashi, Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Security of QKD with practical devices based on three bases" (Poster)
   5th Handai Nanoscience and Nanotechnology International Symposium
   Osaka University, Japan
   2009/09/01-03
   
   
7. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Passive-decoy quantum key distribution with pseudo-single-photon sources" (Poster)
   QIP 2009 The Twelfth Workshop on Quantum Information Processing
   Santa Fe, New Mexico, USA
   2009/01/12-16
   
   
8. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Passive decoy-state quantum key distribution with pseudo-single-photon sources" (Poster)
   International Symposium on Physics of Quantum Technology (ISPQT)
   Nara Prefectural New Public Hall, Japan
   2008/11/25-28
   
   
9. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Passive decoy-state quantum cryptography with pseudo-single-photon sources" (Oral)
   AQIS'08 8th Asian Conference on Quantum Information Science
   KIAS, Seoul, Korea
   2008/08/25-31
   
   
10. Masato Koashi, Yoritoshi Adachi, Takashi Yamamoto, Nobuyuki Imoto
    ``Security of entanglement-based quantum key distribution with practical detectors" (Poster)
    QCMC 2008 The Ninth International Conference on Quantum Communication, Measurement and Computing
    University of Calgary, Canada
    2008/08/19-24
    
    
11. Yoritoshi Adachi
    ``Efficient quantum key distribution with parametric down-conversion source" (Oral)
    3rd Floor Library, Fields Institute, 222 College Street, Toronto, Canada
    2008/02/15
    
    
12. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
    ``Simple and efficient quantum key distribution using parametric down-conversion" (Poster)
    The QIPC 2007 International Conference on Quantum Information Processing and Communication
    Barcelona, Spain
    2007/10/15-19
    
    
13. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
    ``Simple and efficient quantum key distribution with parametric down-conversion" (Poster)
    Handai Nano Symposium
    Osaka University, Osaka, Japan
    2007/09/26-28
    
    

Internal Conference/Workshop
(The underline of a name denotes the presenter.)

1. Yoritoshi Adachi, Yuya Kobayashi, Koji Azuma, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Analysis of QKD schemes with additional detectors" (Poster)
   量子情報処理プロジェクト全体会議 2010
   ホテルニューフジヤ熱海
   2010/12/08-11
   
   
2. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Boosting up quantum key distribution by learning statistics of practical single photon sources" (Oral)
   QIT21 The 21st Quantum Information Technology Symposium
   The University of Electro-Communications
   2009/11/04-05
   
   
3. Yuya Kobayashi, Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Security of QKD based on three bases with threshold detectors" (Oral)
   QIT21 The 21st Quantum Information Technology Symposium
   The University of Electro-Communications
   2009/11/04-05
   
   
4. Yoritoshi Adachi, Yuya Kobayashi, Koji Azuma, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Analysis of entanglement-based quantum key distribution via passive basis selection" (Oral)
   JPS autumn meeting
   Kumamoto University
   2009/09/25-28
   
   
5. Yuya Kobayashi, Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Security of practical quantum key distribution based on three bases" (Oral)
   JPS autumn meeting
   Kumamoto University
   2009/09/25-28
   
   
6. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Improving quantum key distribution by learning statistics of practical single photon sources" (Poster)
   Symposium on Atomic, Molecular, and Optical Sciences
   Osaka University
   2009/06/12-13
   
   
7. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Passive-decoy quantum key distribution using pseudo-single-photon sources" (Oral)
   The 64th JPS Annual Meeting
   Rikkyo University
   2009/03/27-30
   
   
8. Masato Koashi, Takashi Yamamoto, Yoritoshi Adachi, Nobuyuki Imoto
   ``エンタングルした光パルス対による量子鍵配送プロトコルの安全性" (Oral)
   JPS autumn meeting
   Iwate University
   2008/09/20-23
   
   
9. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
   ``Improvement of quantum cryptography utilizing pseudo-single-photon sources" (Oral)
   QIT18 The 18th Quantum Information Technology Symposium
   The University of Tokyo
   2008/05/22-23
   
   
10. Masato Koashi, Takashi Yamamoto, Yoritoshi Adachi, Nobuyuki Imoto
    ``Security of entanglement-based QKD with practical detectors" (Oral)
    QIT18 The 18th Quantum Information Technology Symposium
    The University of Tokyo
    2008/05/22-23
    
    
11. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
    ``Improvement of the phase-encoding quantum cryptography with pseudo-single-photon sources" (Oral)
    The 62nd JPS Annual Meeting
    Hokkaido University
    2007/09/21-24
    
    
12. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
    ``Efficient quantum key distribution with parametric down-conversion" (Oral)
    JPS spring meeting
    Kagoshima University
    2007/03/18-21
    
    
13. Yoritoshi Adachi, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto
    ``Efficient quantum key distribution with parametric down-conversion" (Oral)
    QIT15 The 15th Quantum Information Technology Symposium
    Campus Plaza Kyoto
    2006/11/21-22
    
    

Report

井元信之 （足立頼俊）
盗聴できない「量子暗号」
通信速度１万倍　阪大が開発
日本経済新聞　２００７年１１月２６日朝刊　ｐ１９、科学面

Academic Society

The Physical Society of Japan

Link

Imoto Laboratory