DE60225726D1 - Optische Phasenmodulation - Google Patents

Optische Phasenmodulation

Info

Publication number
DE60225726D1
DE60225726D1 DE60225726T DE60225726T DE60225726D1 DE 60225726 D1 DE60225726 D1 DE 60225726D1 DE 60225726 T DE60225726 T DE 60225726T DE 60225726 T DE60225726 T DE 60225726T DE 60225726 D1 DE60225726 D1 DE 60225726D1
Authority
DE
Germany
Prior art keywords
phase modulation
optical phase
optical
modulation
phase
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60225726T
Other languages
English (en)
Other versions
DE60225726T2 (de
Inventor
Seemant Choudhary
Takeshi Hoshida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE60225726D1 publication Critical patent/DE60225726D1/de
Application granted granted Critical
Publication of DE60225726T2 publication Critical patent/DE60225726T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/548—Phase or frequency modulation
    • H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
    • H04B10/5561—Digital phase modulation
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5051—Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5055—Laser transmitters using external modulation using a pre-coder
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50577—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the phase of the modulating signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
DE60225726T 2001-12-21 2002-12-20 Optische Phasenmodulation Expired - Lifetime DE60225726T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/028,658 US6990296B2 (en) 2001-12-21 2001-12-21 Optical phase modulation
US28658 2001-12-21

Publications (2)

Publication Number Publication Date
DE60225726D1 true DE60225726D1 (de) 2008-04-30
DE60225726T2 DE60225726T2 (de) 2009-04-02

Family

ID=21844693

Family Applications (4)

Application Number Title Priority Date Filing Date
DE60225726T Expired - Lifetime DE60225726T2 (de) 2001-12-21 2002-12-20 Optische Phasenmodulation
DE60225852T Expired - Lifetime DE60225852T2 (de) 2001-12-21 2002-12-20 Optische Phasenmodulation
DE60212707T Expired - Lifetime DE60212707T2 (de) 2001-12-21 2002-12-20 Optische phasenmodulation
DE60225853T Expired - Lifetime DE60225853T2 (de) 2001-12-21 2002-12-20 Optische Phasenmodulation

Family Applications After (3)

Application Number Title Priority Date Filing Date
DE60225852T Expired - Lifetime DE60225852T2 (de) 2001-12-21 2002-12-20 Optische Phasenmodulation
DE60212707T Expired - Lifetime DE60212707T2 (de) 2001-12-21 2002-12-20 Optische phasenmodulation
DE60225853T Expired - Lifetime DE60225853T2 (de) 2001-12-21 2002-12-20 Optische Phasenmodulation

Country Status (5)

Country Link
US (2) US6990296B2 (de)
EP (4) EP1526663B9 (de)
JP (1) JP3989440B2 (de)
DE (4) DE60225726T2 (de)
WO (1) WO2003055109A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020131106A1 (en) 2001-03-16 2002-09-19 Peter Snawerdt Secure wave-division multiplexing telecommunications system and method
EP1405444B1 (de) * 2001-07-09 2013-01-23 TQ Gamma, LLC Faseroptische telekommunikationskarte mit sicherheitserkennung
US7574139B2 (en) * 2002-05-31 2009-08-11 Oplink Communications, Inc. Carrier-suppressed optical time domain multiplexing
US20040141222A1 (en) * 2002-11-01 2004-07-22 Communications Res. Lab., Ind. Admin. Inst. Optical phase multi-level modulation method and apparatus, and error control method
US7061405B2 (en) * 2004-10-15 2006-06-13 Yazaki North America, Inc. Device and method for interfacing video devices over a fiber optic link
US7447386B2 (en) * 2006-02-23 2008-11-04 Magiq Technologies, Inc Cascaded modulator system and method for QKD
US7877020B1 (en) * 2006-04-28 2011-01-25 Hrl Laboratories, Llc Coherent RF-photonic link linearized via a negative feedback phase-tracking loop
US8050555B2 (en) * 2007-10-16 2011-11-01 Jds Uniphase Corporation Optical phase modulator with monitoring structure
CN101478347B (zh) * 2009-01-08 2011-04-13 上海交通大学 无反馈回路的光差分正交移相键控调制器的预编码器
CN102082603B (zh) * 2009-12-01 2015-06-03 富士通株式会社 外调制器监测装置和外调制器监测方法
US8917998B2 (en) * 2011-10-11 2014-12-23 Nec Laboratories America, Inc. Polarization switching for optical fiber communications
CN114097179B (zh) * 2019-07-12 2023-02-10 华为技术有限公司 用于光收发器的方法和装置
CN114778082B (zh) * 2022-04-29 2024-07-19 中国电信股份有限公司 耦合器相位延迟确定方法、装置以及存储介质

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2719397B2 (ja) * 1989-04-24 1998-02-25 日本電信電話株式会社 超短光パルス変調回路
US5253309A (en) 1989-06-23 1993-10-12 Harmonic Lightwaves, Inc. Optical distribution of analog and digital signals using optical modulators with complementary outputs
IT1239609B (it) 1990-05-11 1993-11-11 Bordoni Ugo Fondazione Metodo per la formazione di un segnale multilivello su una portante ottica coerente mediante modulazione di fase e di polarizzazione della portante e apparato di trasmissione e di ricezione eterodina di segnali formati con tale metodo
JP3223562B2 (ja) 1992-04-07 2001-10-29 株式会社日立製作所 光送信装置、光伝送装置および光変調器
JPH06209293A (ja) 1992-07-31 1994-07-26 American Teleph & Telegr Co <Att> 光伝送システムにおける変調装置
DE4333405A1 (de) 1993-09-30 1995-04-06 Siemens Ag Verfahren zur Nacheinstellung eines Frequenz- oder Phasenmodulationshubs von frequenz- oder phasenmoduliertem Sendelicht
US5602669A (en) 1994-06-30 1997-02-11 Sony Corporation Digital signal transmission apparatus, digital signal transmission method, and digital signal transmitter-receiver
US5828477A (en) 1995-11-16 1998-10-27 Harmonic Lightwaves, Inc. Multi-tone phase modulation for light wave communication system
JP3464867B2 (ja) 1996-02-23 2003-11-10 Ｋｄｄｉ株式会社 光送信装置およびこれを適用した波長多重光送信装置および光伝送システム
US5699179A (en) 1996-02-23 1997-12-16 General Instrument Corporation Of Delaware Cancellation of distortion components in a fiber optic link with feed-forward linearization
GB9604303D0 (en) 1996-02-29 1996-05-01 Stc Submarine Systems Ltd Chromatic pre-chip in NRZ transmitter
US5953139A (en) 1996-03-06 1999-09-14 Cfx Communications Systems, Llc Wavelength division multiplexing system
JP3027944B2 (ja) 1996-08-16 2000-04-04 日本電気株式会社 光デュオバイナリ信号光の生成方法および光送信装置
JPH10163974A (ja) 1996-11-25 1998-06-19 Fujitsu Ltd 光送信機及び光通信システム
JP3094950B2 (ja) * 1997-05-28 2000-10-03 日本電気株式会社 光送信装置及び光送信方法
US6271950B1 (en) * 1998-08-18 2001-08-07 Lucent Technologies Inc. Optical differential phase shift keying transmission system having multiplexing, routing and add/replace capabilities
US6118566A (en) 1998-11-04 2000-09-12 Corvis Corporation Optical upconverter apparatuses, methods, and systems
FR2803145B1 (fr) 1999-12-23 2002-03-15 Cit Alcatel Dispositif d'application d'un retard en ligne

Also Published As

Publication number Publication date
EP1526663B9 (de) 2008-10-29
EP1526664B1 (de) 2008-03-26
US20030118352A1 (en) 2003-06-26
DE60225853D1 (de) 2008-05-08
WO2003055109A1 (en) 2003-07-03
EP1526665A3 (de) 2006-03-29
US7197251B2 (en) 2007-03-27
EP1526663A2 (de) 2005-04-27
EP1456976A1 (de) 2004-09-15
DE60212707T2 (de) 2007-06-14
DE60225853T2 (de) 2009-04-09
JP2005513908A (ja) 2005-05-12
EP1526664A3 (de) 2006-03-29
US20060093377A1 (en) 2006-05-04
DE60225726T2 (de) 2009-04-02
EP1526665A2 (de) 2005-04-27
JP3989440B2 (ja) 2007-10-10
DE60212707D1 (en) 2006-08-03
EP1526664A2 (de) 2005-04-27
EP1526663B1 (de) 2008-03-26
EP1526663A3 (de) 2006-03-29
US6990296B2 (en) 2006-01-24
EP1526665B1 (de) 2008-03-19
DE60225852T2 (de) 2009-04-09
EP1456976B1 (de) 2006-06-21
DE60225852D1 (de) 2008-05-08

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Legal Events

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8364 No opposition during term of opposition