JP4795692B2 - 光送信機、光送受信システム、および量子光生成器 - Google Patents

光送信機、光送受信システム、および量子光生成器 Download PDF

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Publication number
JP4795692B2
JP4795692B2 JP2005002071A JP2005002071A JP4795692B2 JP 4795692 B2 JP4795692 B2 JP 4795692B2 JP 2005002071 A JP2005002071 A JP 2005002071A JP 2005002071 A JP2005002071 A JP 2005002071A JP 4795692 B2 JP4795692 B2 JP 4795692B2
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light
polarization
optical
input
quantum
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Japanese (ja)
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JP2006191410A (ja
JP2006191410A5 (enExample
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辰也 戸丸
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Hitachi Ltd
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Hitachi Ltd
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Priority to US11/071,298 priority patent/US7457548B2/en
Priority to EP05004830A priority patent/EP1679811A3/en
Publication of JP2006191410A publication Critical patent/JP2006191410A/ja
Publication of JP2006191410A5 publication Critical patent/JP2006191410A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/70—Photonic quantum communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852—Quantum cryptography
    • H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
JP2005002071A 2005-01-07 2005-01-07 光送信機、光送受信システム、および量子光生成器 Expired - Fee Related JP4795692B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005002071A JP4795692B2 (ja) 2005-01-07 2005-01-07 光送信機、光送受信システム、および量子光生成器
US11/071,298 US7457548B2 (en) 2005-01-07 2005-03-04 Quantum optical transmission device and quantum optical generator device therefor
EP05004830A EP1679811A3 (en) 2005-01-07 2005-03-04 Quantum optical transmission device and quantum optical generator device therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005002071A JP4795692B2 (ja) 2005-01-07 2005-01-07 光送信機、光送受信システム、および量子光生成器

Publications (3)

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JP2006191410A JP2006191410A (ja) 2006-07-20
JP2006191410A5 JP2006191410A5 (enExample) 2007-11-08
JP4795692B2 true JP4795692B2 (ja) 2011-10-19

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JP2005002071A Expired - Fee Related JP4795692B2 (ja) 2005-01-07 2005-01-07 光送信機、光送受信システム、および量子光生成器

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US (1) US7457548B2 (enExample)
EP (1) EP1679811A3 (enExample)
JP (1) JP4795692B2 (enExample)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005053219A1 (ja) * 2003-11-28 2005-06-09 Japan Science And Technology Agency 通信システム及びそれを用いた通信方法
JP2006013573A (ja) * 2004-06-22 2006-01-12 Hitachi Ltd 量子光伝送装置
US7822342B1 (en) * 2004-11-15 2010-10-26 The United States Of America As Represented By The Secretary Of The Navy Secure quantum optical communications system and method
JP4795692B2 (ja) * 2005-01-07 2011-10-19 株式会社日立製作所 光送信機、光送受信システム、および量子光生成器
US7706536B2 (en) * 2005-05-17 2010-04-27 Alcatel-Lucent Usa Inc. Phase locking in a multi-channel quantum communication system
US20060263096A1 (en) * 2005-05-17 2006-11-23 Mihaela Dinu Multi-channel transmission of quantum information
JP4822811B2 (ja) * 2005-11-02 2011-11-24 株式会社日立製作所 光通信装置
JP4793814B2 (ja) * 2005-11-22 2011-10-12 岡山県 量子状態転送方法
KR100759811B1 (ko) * 2005-12-08 2007-09-20 한국전자통신연구원 고속 자동 보상 양자 암호 송수신장치 및 방법
JP5023575B2 (ja) 2006-06-23 2012-09-12 株式会社日立製作所 アンチスクイズド光生成器
JP4983193B2 (ja) 2006-10-05 2012-07-25 株式会社日立製作所 セキュアな光通信用中継機および光の２つの直交位相成分の測定器
US20080100846A1 (en) * 2006-10-26 2008-05-01 Kailight Photonics, Inc. Systems and methods for all-optical signal regeneration based on free space optics
JP4751370B2 (ja) 2007-06-15 2011-08-17 株式会社日立製作所 光送受信システム
JP5228205B2 (ja) * 2007-06-15 2013-07-03 独立行政法人情報通信研究機構 光波形整形装置
JP5189900B2 (ja) * 2008-06-04 2013-04-24 株式会社日立製作所 暗号通信装置
JP5434373B2 (ja) * 2009-08-26 2014-03-05 沖電気工業株式会社 量子もつれ光子対発生装置
JP2011085569A (ja) * 2009-09-15 2011-04-28 Toshiba Corp パターン検査装置およびパターン検査方法
JP5867232B2 (ja) * 2012-03-29 2016-02-24 沖電気工業株式会社 量子もつれ光子対発生装置
JP5475837B2 (ja) * 2012-06-22 2014-04-16 日本電信電話株式会社 光パルス発生装置
US9036817B1 (en) * 2013-03-22 2015-05-19 The Boeing Company Network communications using quantum key distribution
CN107135066B (zh) 2016-02-29 2020-08-07 华为技术有限公司 一种原始密钥恢复装置和方法
CN107231198B (zh) * 2016-03-25 2019-10-22 华为技术有限公司 量子信号检测方法和量子信号检测装置
US11431418B2 (en) * 2017-03-30 2022-08-30 Notchway Solutions, Llc System and method for quantum state measurement
CN107147442B (zh) * 2017-05-27 2023-05-05 中国科学院上海技术物理研究所 一种四路同轴的自由空间量子通信编码装置
WO2019120418A1 (en) 2017-12-18 2019-06-27 Danmarks Tekniske Universitet Squeezed light generator and method for generating squeezed light
JP2019125961A (ja) * 2018-01-18 2019-07-25 株式会社東芝 送信装置、受信装置、及び量子鍵配送システム
CN109238220B (zh) * 2018-07-20 2020-12-25 山西大学 物体空间转动角度的测量方法
CN109633663A (zh) * 2018-09-04 2019-04-16 哈尔滨工业大学 量子偏振激光雷达stokes参量探测精度分析方法
CN111082931B (zh) * 2019-12-23 2021-04-20 清华大学 量子通信光路系统和量子通信方法
CN113031919B (zh) * 2019-12-25 2023-04-07 山东国迅量子芯科技有限公司 基于相干光接收机的量子随机数发生装置、方法及设备
US11226502B1 (en) 2020-10-27 2022-01-18 National Technology & Engineering Solutions Of Sandia, Llc Photonic integrated circuits for generating high-brightness squeezed light
CN114624940A (zh) * 2020-12-10 2022-06-14 科大国盾量子技术股份有限公司 一种双光子极化-路径纠缠的量子隐形传态光路
CN112882260B (zh) * 2021-03-18 2022-09-09 南京邮电大学 一种偏振、空间、时间片段三自由度超纠缠的制备方法
CN113472529B (zh) * 2021-06-29 2023-11-17 军事科学院系统工程研究院网络信息研究所 基于芯片集成光路的量子互联信道交换方法和装置
CN113470492B (zh) * 2021-07-01 2022-07-26 华东师范大学 一种验证海森堡不确定性原理演示装置及演示方法
EP4351043A1 (en) * 2022-10-05 2024-04-10 Fundació Institut de Ciències Fotòniques Optical system for phase modulation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0534739A (ja) * 1991-08-03 1993-02-12 Fujitsu Ltd 光スクイーザの安定化方式
JPH08211429A (ja) * 1995-02-02 1996-08-20 Nippon Telegr & Teleph Corp <Ntt> スクイズド光の発生方法および装置
US5966224A (en) * 1997-05-20 1999-10-12 The Regents Of The University Of California Secure communications with low-orbit spacecraft using quantum cryptography
US6188768B1 (en) * 1998-03-31 2001-02-13 International Business Machines Corporation Autocompensating quantum cryptographic key distribution system based on polarization splitting of light
JP4038783B2 (ja) * 1998-09-24 2008-01-30 独立行政法人科学技術振興機構 量子暗号通信システム及び量子暗号通信方法
JP2002214654A (ja) 2001-01-18 2002-07-31 Fujitsu Ltd 偏光干渉装置
JP3875160B2 (ja) * 2002-08-23 2007-01-31 株式会社アドバンテスト 量子干渉を利用した光特性測定装置、方法、プログラムおよび該プログラムを記録した記録媒体
US6882431B2 (en) * 2002-11-26 2005-04-19 Malvin C. Teich Quantum optical coherence tomography data collection apparatus and method for processing therefor
US7539308B2 (en) * 2003-05-23 2009-05-26 General Dynamics Advanced Information Systems, Inc. Quantum steganography
US20060290941A1 (en) * 2004-12-09 2006-12-28 Wide Net Technologies Polarization control for quantum key distribution systems
JP4795692B2 (ja) * 2005-01-07 2011-10-19 株式会社日立製作所 光送信機、光送受信システム、および量子光生成器
US20060263096A1 (en) * 2005-05-17 2006-11-23 Mihaela Dinu Multi-channel transmission of quantum information

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Publication number Publication date
JP2006191410A (ja) 2006-07-20
EP1679811A2 (en) 2006-07-12
US20060153573A1 (en) 2006-07-13
US7457548B2 (en) 2008-11-25
EP1679811A3 (en) 2008-01-23

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