HK1118652A1 - System and method for quantum key distribution over wdm links - Google Patents

System and method for quantum key distribution over wdm links

Info

Publication number
HK1118652A1
HK1118652A1 HK08109901.1A HK08109901A HK1118652A1 HK 1118652 A1 HK1118652 A1 HK 1118652A1 HK 08109901 A HK08109901 A HK 08109901A HK 1118652 A1 HK1118652 A1 HK 1118652A1
Authority
HK
Hong Kong
Prior art keywords
channels
quantum
transmitting
key distribution
signals
Prior art date
Application number
HK08109901.1A
Other languages
English (en)
Inventor
Yuhui Luo
Kam Tai Chan
Original Assignee
Univ Hong Kong Chinese
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Hong Kong Chinese filed Critical Univ Hong Kong Chinese
Publication of HK1118652A1 publication Critical patent/HK1118652A1/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0246—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU using one wavelength per ONU
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2581—Multimode transmission
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0254—Optical medium access
    • H04J14/0256—Optical medium access at the optical channel layer
    • H04J14/0257—Wavelength assignment algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0279—WDM point-to-point architectures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Security & Cryptography (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Communication System (AREA)
HK08109901.1A 2005-09-19 2008-09-05 System and method for quantum key distribution over wdm links HK1118652A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/231,084 US7639947B2 (en) 2005-09-19 2005-09-19 System and methods for quantum key distribution over WDM links
PCT/CN2006/001816 WO2007033561A1 (en) 2005-09-19 2006-07-24 System and method for quantum key distribution over wdm links

Publications (1)

Publication Number Publication Date
HK1118652A1 true HK1118652A1 (en) 2009-02-13

Family

ID=37884253

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08109901.1A HK1118652A1 (en) 2005-09-19 2008-09-05 System and method for quantum key distribution over wdm links

Country Status (7)

Country Link
US (3) US7639947B2 (de)
EP (1) EP1927209B1 (de)
JP (1) JP2009509367A (de)
KR (1) KR101003886B1 (de)
CN (1) CN101204034B (de)
HK (1) HK1118652A1 (de)
WO (1) WO2007033561A1 (de)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2430123B (en) * 2005-09-09 2008-01-23 Toshiba Res Europ Ltd A quantum communication system
US7639947B2 (en) * 2005-09-19 2009-12-29 The Chinese University Of Hong Kong System and methods for quantum key distribution over WDM links
US7809268B2 (en) * 2006-03-13 2010-10-05 Cisco Technology, Inc. Integrated optical service channel and quantum key distribution channel
JP2007274300A (ja) * 2006-03-31 2007-10-18 Hitachi Information & Communication Engineering Ltd 共通鍵暗号通信における同期処理方法
AT503669B1 (de) * 2006-07-03 2007-12-15 Arc Austrian Res Centers Gmbh Knoteneinrichtung für ein netzwerk mit quantenkryptographischen verbindungen sowie knotenmodul für eine derartige knoteneinrichtung
GB2441790A (en) * 2006-09-12 2008-03-19 Qinetiq Ltd Electro-optic waveguide polarisation modulator
US7907849B1 (en) * 2007-03-15 2011-03-15 Ramot At Tel-Aviv University Ltd. Secure communication system and method for exchanging data units
GB0801395D0 (en) * 2008-01-25 2008-03-05 Qinetiq Ltd Network having quantum key distribution
WO2009093036A2 (en) 2008-01-25 2009-07-30 Qinetiq Limited Quantum cryptography apparatus
GB0801408D0 (en) * 2008-01-25 2008-03-05 Qinetiq Ltd Multi-community network with quantum key distribution
GB0801492D0 (en) 2008-01-28 2008-03-05 Qinetiq Ltd Optical transmitters and receivers for quantum key distribution
JP5125583B2 (ja) * 2008-02-18 2013-01-23 日本電気株式会社 光多重化通信システムおよびそのクロストーク除去方法
GB0809044D0 (en) * 2008-05-19 2008-06-25 Qinetiq Ltd Multiplexed QKD
GB0809045D0 (en) * 2008-05-19 2008-06-25 Qinetiq Ltd Quantum key distribution involving moveable key device
GB0809038D0 (en) * 2008-05-19 2008-06-25 Qinetiq Ltd Quantum key device
GB0819665D0 (en) 2008-10-27 2008-12-03 Qinetiq Ltd Quantum key dsitribution
GB0822254D0 (en) * 2008-12-05 2009-01-14 Qinetiq Ltd Method of performing authentication between network nodes
GB0822253D0 (en) 2008-12-05 2009-01-14 Qinetiq Ltd Method of establishing a quantum key for use between network nodes
GB0822356D0 (en) * 2008-12-08 2009-01-14 Qinetiq Ltd Non-linear optical device
WO2010092776A1 (ja) * 2009-02-10 2010-08-19 日本電気株式会社 光通信システム、光通信方法および光通信装置
GB0917060D0 (en) 2009-09-29 2009-11-11 Qinetiq Ltd Methods and apparatus for use in quantum key distribution
CN103236924B (zh) * 2009-09-30 2016-12-07 中国科学技术大学 全时全通型量子网络路由器及扩展量子保密通信网络的方法
US20140098955A1 (en) * 2009-12-15 2014-04-10 Los Alamos National Security, Llc Quantum enabled security for optical communications
MY150359A (en) * 2010-10-07 2013-12-31 Mimos Berhad Auto-compensating quantum key distribution network
JP5170586B2 (ja) * 2010-10-08 2013-03-27 学校法人玉川学園 Ｙｕｅｎ暗号用光送信装置及び受信装置、Ｙｕｅｎ暗号光送信方法及び受信方法、並びに暗号通信システム
GB201020424D0 (en) 2010-12-02 2011-01-19 Qinetiq Ltd Quantum key distribution
ES2420054B1 (es) * 2010-12-29 2014-03-20 Telefónica, S.A. Método para una monitorización fina de líneas ópticas en líneas de comunicación a través de sistemas qkd.
GB2529101B (en) * 2011-06-17 2016-03-23 Toshiba Res Europ Ltd A quantum communication system
ES2509816T3 (es) * 2011-08-05 2014-10-20 Selex Es S.P.A. Sistema para la distribución de claves criptográficas
US8756060B2 (en) 2011-12-22 2014-06-17 Ncr Corporation Methods and apparatus for audio input for customization of digital displays
US8842987B2 (en) * 2012-10-03 2014-09-23 Fmr Llc Security in multiwavelength optical networks
KR101466213B1 (ko) * 2012-10-18 2014-11-27 에스케이 텔레콤주식회사 양자 암호키 분배 시스템에 있어서 차동 광위상변조 방법 및 장치
CN102930627A (zh) * 2012-10-25 2013-02-13 上海电机学院 分布式微弱光投票系统及方法
WO2014068959A1 (ja) * 2012-11-01 2014-05-08 日本電気株式会社 光通信システムにおける光受信装置、光子検出器の制御方法および装置、並びに光子検出器の暗計数評価方法
GB2514134B (en) * 2013-05-14 2016-05-25 Toshiba Res Europe Ltd A signal manipulator for a quantum communication system
JP6115387B2 (ja) * 2013-07-31 2017-04-19 沖電気工業株式会社 量子鍵配送用受信器及び単一光子検出器の使用方法
WO2015102694A2 (en) * 2013-09-30 2015-07-09 Hughes Richard J Streaming authentication and multi-level security for communications networks using quantum cryptography
US10367638B2 (en) 2013-12-16 2019-07-30 Nokia Technologies Oy Method and apparatus for quantum cryptography
CN103840905A (zh) * 2014-02-20 2014-06-04 安徽问天量子科技股份有限公司 量子密钥分配系统的全光纤通信系统及方法
JP6169028B2 (ja) 2014-03-18 2017-07-26 株式会社東芝 通信装置、通信システムおよび通信方法
CN104092538B (zh) * 2014-07-15 2017-04-12 华南师范大学 多用户波分复用qkd网络系统及其密钥分发与共享方法
KR101610747B1 (ko) 2014-08-19 2016-04-08 한국과학기술연구원 양자 암호 통신 장치 및 방법
CN104202157B (zh) * 2014-09-16 2018-01-02 科大国盾量子技术股份有限公司 一种量子密钥分发系统的同步方法及装置
EP3018840B1 (de) * 2014-11-10 2019-10-02 Université de Genève Vorrichtung und Verfahren für kontinuierliche QKD-Quantenübertragungskanalsynchronisation und -ausrichtung
GB2534918B (en) * 2015-02-05 2019-07-24 Toshiba Res Europe Limited A quantum communication system and a quantum communication method
GB2534917B (en) * 2015-02-05 2017-09-27 Toshiba Res Europe Ltd A quantum communication system and a quantum communication method
EP3262770B1 (de) 2015-02-27 2024-04-03 Yale University Verfahren zur universellen quantensteuerung von quantenkohärenten zuständen und zugehörige systeme und verfahren
CN107408223B (zh) 2015-02-27 2021-02-05 耶鲁大学 用于量子信息处理的振荡器控制的系统和方法
KR101664173B1 (ko) * 2015-06-08 2016-10-11 한국과학기술연구원 양자암호 시스템의 안정화 장치 및 방법
KR101672497B1 (ko) * 2015-06-10 2016-11-03 에스케이텔레콤 주식회사 양자 암호키 분배시스템, 이에 적용되는 송신장치 및 송신장치의 동작 방법
KR20180034559A (ko) 2015-07-24 2018-04-04 예일 유니버시티 양자 정보 처리를 위한 발진기 상태 조작 기술 그리고 관련된 시스템 및 방법
CN106411521B (zh) * 2015-07-31 2020-02-18 阿里巴巴集团控股有限公司 用于量子密钥分发过程的身份认证方法、装置及系统
CN106100837B (zh) * 2015-10-23 2022-09-30 安徽问天量子科技股份有限公司 基于相同波长的全双工量子密钥分发系统的同步装置及方法
CN106656320B (zh) * 2015-10-29 2019-04-12 阿里巴巴集团控股有限公司 用于光量子通信业务的光纤信道损耗测量系统、方法及装置
CN106788984B (zh) * 2015-11-20 2019-08-27 华为技术有限公司 一种量子通信方法和装置
US10784969B2 (en) * 2016-02-18 2020-09-22 Apriori Network Systems, Llc. Secured fiber link system
US10284288B2 (en) * 2016-02-18 2019-05-07 Apriori Network Systems, Llc Secured fiber link system
US10763962B2 (en) 2016-02-18 2020-09-01 Apriori Network Systems, Llc. Secured fiber link system
CN105680948A (zh) * 2016-03-17 2016-06-15 北京邮电大学 一种用于量子信号与经典光信号共纤传输的波长分配方法
CN107204812B (zh) * 2016-03-18 2019-07-16 国科量子通信网络有限公司 量子密钥分发和无源光接入网融合的方法及装置
CN105846908B (zh) * 2016-03-23 2018-05-25 中国科学院半导体研究所 多路径相差光跳频保密通信系统
CN107465502A (zh) * 2016-06-02 2017-12-12 华为技术有限公司 一种量子通信方法和相关装置
EP3539061A4 (de) * 2016-11-10 2020-07-08 Yale University Verallgemeinerte quantenkanäle
CN109428665B (zh) * 2017-08-22 2020-10-23 中国电信股份有限公司 波分复用发送设备、接收设备、中继设备以及传输系统
CN109905171B (zh) * 2017-12-08 2020-09-25 中国电信股份有限公司 量子密钥分发光纤传输系统和方法
KR20200104374A (ko) 2018-01-05 2020-09-03 예일 유니버시티 로버스트 양자 논리 게이트
GB2571521B (en) * 2018-02-22 2021-07-07 Toshiba Kk A transmitter for a quantum communication system, a quantum communication system and a method of generating intensity modulated Photon pulses
WO2020052788A1 (en) * 2018-09-14 2020-03-19 Huawei Technologies Duesseldorf Gmbh Quantum key distribution system and method
CN111404674B (zh) * 2019-01-02 2023-06-27 中国移动通信有限公司研究院 一种会话密钥的生成和接收方法及设备
EP3742664A1 (de) * 2019-05-23 2020-11-25 ID Quantique S.A. System und verfahren zur quantenschlüsselverteilung über einen hybriden quantenkanal
EP3754895B1 (de) 2019-06-18 2022-03-16 ID Quantique S.A. Quantenkanalsynchronisation
EP3787220B1 (de) 2019-09-02 2023-04-12 ID Quantique S.A. Quantenkommunikationssynchronisation und ausrichtungsverfahren
CA3154434A1 (en) 2019-10-17 2021-04-22 Bernardo Huberman Quantum key distribution and management in passive optical networks
US11595199B2 (en) * 2019-11-18 2023-02-28 Arizona Board Of Regents On Behalf Of Northern Arizona University Secure multi-state quantum key distribution with wavelength division multiplexing
US10992391B1 (en) * 2019-11-27 2021-04-27 The United States Of Americas As Represented By The Secretary Of The Army System and method for communication of information using entangled photons
CN111082876B (zh) * 2019-12-31 2024-04-26 广东尤科泊得科技发展有限公司 一种基于mdm-sdm的量子与经典融合通信系统及传输方法
CN111238680B (zh) * 2020-01-20 2021-05-25 上海波汇科技有限公司 双宽度脉冲光纤分布式拉曼测温空间分辨率提升方法
GB2600446A (en) 2020-10-29 2022-05-04 Airbus Sas Free space optical communications terminal
CN112564818B (zh) * 2020-12-07 2022-03-25 中国电子科技集团公司信息科学研究院 量子密钥分发信道分配方法、装置、电子设备及存储介质
GB2602353B (en) * 2020-12-24 2023-09-13 Toshiba Kk Optical system and method
US11558186B2 (en) 2021-04-22 2023-01-17 Verizon Patent And Licensing Inc. Systems and methods for machine learning based optimization of pulse sequences for quantum key distribution
FR3125659B1 (fr) * 2021-07-22 2023-07-21 Marbeuf Conseil Et Rech Système de communication quantique par photons intriqués
FR3125658B1 (fr) 2021-07-22 2023-07-21 Marbeuf Conseil Et Rech Système de communication quantique par photons intriqués
CN114221758A (zh) * 2021-11-29 2022-03-22 湖南大学 一种往返式双相位调制的量子密钥共享系统及方法

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005A (en) * 1841-03-16 Improvement in the manner of constructing molds for casting butt-hinges
US2006A (en) * 1841-03-16 Clamp for crimping leather
US5515438A (en) 1993-11-24 1996-05-07 International Business Machines Corporation Quantum key distribution using non-orthogonal macroscopic signals
JPH09219680A (ja) 1996-02-14 1997-08-19 Nippon Telegr & Teleph Corp <Ntt> 光伝送方式
IL128503A (en) * 1999-02-11 2003-07-06 Eci Telecom Ltd Wdm multiplexer
DE60106094T2 (de) * 2001-02-23 2005-12-01 Telefonaktiebolaget Lm Ericsson (Publ) Monochromatoranordnung
JP2002281029A (ja) 2001-03-21 2002-09-27 Japan Science & Technology Corp 量子暗号通信システム
JP2003018144A (ja) * 2001-06-29 2003-01-17 Nec Corp 量子暗号多ノードネットワーク及び多ノードネットワーク上の鍵配布方法及び量子暗号装置
JP4619578B2 (ja) * 2001-07-25 2011-01-26 三菱電機株式会社 信号状態制御装置及び信号状態制御方法
JP4462806B2 (ja) 2002-02-22 2010-05-12 日本電気株式会社 量子暗号鍵配布システム
KR100631242B1 (ko) 2002-09-26 2006-10-02 미쓰비시덴키 가부시키가이샤 양자 송신 장치, 양자 수신 장치, 양자 암호 통신 장치 및양자 암호 통신 방법
US20050190921A1 (en) * 2002-10-15 2005-09-01 Bbnt Solutions Llc Systems and methods for framing quantum cryptographic links
US7227955B2 (en) * 2003-02-07 2007-06-05 Magiq Technologies, Inc. Single-photon watch dog detector for folded quantum key distribution system
US20060018475A1 (en) * 2003-02-07 2006-01-26 Magiq Technologies, Inc. Kd systems with robust timing
US7113598B2 (en) 2003-05-14 2006-09-26 Science Research Laboratory, Inc. Methods and systems for high-data-rate quantum cryptography
GB2419264B (en) 2003-08-18 2006-12-27 Toshiba Res Europ Ltd A quantum communication system and a receiver for a quantum communication system
JP4632652B2 (ja) * 2003-10-10 2011-02-16 日本電気株式会社 量子暗号鍵配布システム及びそれに用いる同期方法
US7606371B2 (en) * 2003-12-22 2009-10-20 Magiq Technologies, Inc. Two-way QKD system with active compensation
JP4304298B2 (ja) * 2004-02-13 2009-07-29 日本電気株式会社 通信システム及びその同期方法
JP4784202B2 (ja) * 2004-09-02 2011-10-05 日本電気株式会社 多重化通信システムおよびそのクロストーク除去方法
JP2008512945A (ja) * 2004-09-07 2008-04-24 マジック テクノロジーズ，インコーポレーテッド Ｑｋｄチャネル多重化のシステム及び方法
CN1614918A (zh) 2004-12-02 2005-05-11 中国科学院上海光学精密机械研究所 量子密钥分布的自由空间多通道发射和接收系统
EP2838167A1 (de) 2005-01-20 2015-02-18 Massachusetts Institute of Technology Verfahren und Vorrichtung zur Modussperre
JP4504833B2 (ja) * 2005-02-17 2010-07-14 富士通株式会社 秘密鍵配送システム
US20060263096A1 (en) 2005-05-17 2006-11-23 Mihaela Dinu Multi-channel transmission of quantum information
US7826749B2 (en) * 2005-09-19 2010-11-02 The Chinese University Of Hong Kong Method and system for quantum key distribution over multi-user WDM network with wavelength routing
US7639947B2 (en) * 2005-09-19 2009-12-29 The Chinese University Of Hong Kong System and methods for quantum key distribution over WDM links

Also Published As

Publication number Publication date
EP1927209A4 (de) 2010-11-17
CN101204034A (zh) 2008-06-18
JP2009509367A (ja) 2009-03-05
EP1927209A1 (de) 2008-06-04
US8050566B2 (en) 2011-11-01
US7639947B2 (en) 2009-12-29
CN101204034B (zh) 2011-09-28
KR20080034211A (ko) 2008-04-18
US20120002968A1 (en) 2012-01-05
WO2007033561A1 (en) 2007-03-29
US20100074447A1 (en) 2010-03-25
EP1927209B1 (de) 2013-08-21
KR101003886B1 (ko) 2010-12-30
US20070065155A1 (en) 2007-03-22

Similar Documents

Publication Publication Date Title
HK1118652A1 (en) System and method for quantum key distribution over wdm links
HK1117967A1 (en) Methods and system for quantum key distribution over multi-user wdm network with wavelength routing
US6634811B1 (en) High performance optical link
CN101904116B (zh) 使用外部种子光源的波分复用-无源光网络
US20060146855A1 (en) Optical wavelength multiplex access system and optical network unit
CA2623575A1 (en) Quantum key distribution system
WO2004019502A3 (en) Optical code division multiple access network utilizing reconfigurable spectral phase coding
US20140341575A1 (en) Signal manipulator for a quantum communication system
AU2004300468B2 (en) Spatial spreading in a multi-antenna communication system
CA2431340A1 (en) Network transceiver for extending the bandwidth of optical fiber-based network infrastructure
WO2003063401A3 (en) Methods and apparatuses to provide a wavelength division-multiplexing passive optical network based on wavelength-locked wavelenght-division- multiplexed light sources
IL129031A (en) Network control system for optical communication networks
US8750722B2 (en) Upgradable WDM system
WO2006071779A3 (en) Method and apparatus for raman crosstalk reduction via idle data pattern control
CN100461660C (zh) 用于多路分解非强度调制的波分复用信号的方法和系统
WO2001041346A3 (en) Multichannel optical communication system and method utilizing wavelength and coherence division multiplexing
JP3625726B2 (ja) 光伝送装置および光伝送システム
Srivastava et al. A polarization multiplexing technique to mitigate WDM crosstalk in SOAs
EP1333603A3 (de) Hybrides Lichtwellenleiter- und Koaxialleitungskommunikationssystem
US10069589B2 (en) Method and apparatus for increasing a transmission performance of a hybrid wavelength division multiplexing system
JP4572141B2 (ja) 通信システム、通信方法および通信装置
Zhou et al. Perfectly synchronized bit-parallel WDM data transmission over a single optical fiber
Wang et al. 100 Km field trial of 1.24 Tbit/s, spectral efficient asynchronous 5 WDM× 25 DPSK-OCDMA using one set of 50× 50 ports large scale en/decoder
US20050259988A1 (en) Bi-directional optical access network
US7546040B2 (en) Fiber optical system for PMD mitigation by polarization scrambling

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20150724