DE69605947D1 - Selbststimulierte signaldetektion in einem optischen übertragungssystem - Google Patents

Selbststimulierte signaldetektion in einem optischen übertragungssystem

Info

Publication number
DE69605947D1
DE69605947D1 DE69605947T DE69605947T DE69605947D1 DE 69605947 D1 DE69605947 D1 DE 69605947D1 DE 69605947 T DE69605947 T DE 69605947T DE 69605947 T DE69605947 T DE 69605947T DE 69605947 D1 DE69605947 D1 DE 69605947D1
Authority
DE
Germany
Prior art keywords
self
transmission system
optical transmission
signal detection
stimulated signal
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 - Fee Related
Application number
DE69605947T
Other languages
English (en)
Other versions
DE69605947T2 (de
Inventor
Maurice O'sullivan
Kim Roberts
James Harley
Jeffrey Weslowski
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.)
Nortel Networks Ltd
Original Assignee
Nortel Networks Corp
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 Nortel Networks Corp filed Critical Nortel Networks Corp
Application granted granted Critical
Publication of DE69605947D1 publication Critical patent/DE69605947D1/de
Publication of DE69605947T2 publication Critical patent/DE69605947T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0771—Fault location on the transmission path
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0777—Monitoring line amplifier or line repeater equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/075—Monitoring an optical transmission system using a supervisory signal using a pilot tone

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DE69605947T 1996-01-18 1996-07-31 Selbststimulierte signaldetektion in einem optischen übertragungssystem Expired - Fee Related DE69605947T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/588,176 US5859716A (en) 1996-01-18 1996-01-18 Self-stimulation signal detection in an optical transmission system
PCT/CA1996/000514 WO1997026722A1 (en) 1996-01-18 1996-07-31 Self-stimulation signal detection in an optical transmission system

Publications (2)

Publication Number Publication Date
DE69605947D1 true DE69605947D1 (de) 2000-02-03
DE69605947T2 DE69605947T2 (de) 2000-05-04

Family

ID=24352790

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69605947T Expired - Fee Related DE69605947T2 (de) 1996-01-18 1996-07-31 Selbststimulierte signaldetektion in einem optischen übertragungssystem

Country Status (6)

Country Link
US (2) US5859716A (de)
EP (1) EP0875105B1 (de)
JP (1) JP3446211B2 (de)
CA (1) CA2237604C (de)
DE (1) DE69605947T2 (de)
WO (1) WO1997026722A1 (de)

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US11799560B2 (en) 2019-10-31 2023-10-24 Ciena Corporation Asymmetric direct detection of optical signals

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US6323978B1 (en) * 1998-04-06 2001-11-27 Nortel Networks Limited Robust variable-bit-rate optical channel overhead
US5959749A (en) * 1998-05-20 1999-09-28 Nortel Networks Corporation Optical add/drop multiplexer/demultiplexer
SE512370C2 (sv) * 1998-07-03 2000-03-06 Ericsson Telefon Ab L M Anordning och förfarande för att uppskatta total bruseffekt
US7065298B1 (en) * 1998-11-17 2006-06-20 Intel Corporation Code-based optical networks, methods, and apparatus
US6778102B1 (en) 1999-06-11 2004-08-17 Intel Corporation Communication system and apparatus with synchronous orthogonal coding
US7197243B1 (en) * 2000-03-31 2007-03-27 Nortel Networks Limited Optical waveform for use in a DWDM optical network and systems for generating and processing same
JP2001308955A (ja) * 2000-04-20 2001-11-02 Sharp Corp 伝送方法
WO2001093464A2 (en) * 2000-06-02 2001-12-06 Lightchip, Inc. Device and method for monitoring signal direction in an optical communications network
US6810210B1 (en) 2000-07-31 2004-10-26 Nortel Networks Limited Communication path impairment detection for duplex optic communication link
US6920287B1 (en) * 2000-08-01 2005-07-19 Nortel Networks Limited Smart connect
EP1868030B1 (de) * 2000-09-07 2012-12-19 Fujitsu Ltd. Optische Verstärkungsvorrichtung mit Ramanverstärkung
DE60044066D1 (de) * 2000-09-07 2010-05-06 Fujitsu Ltd Optischer verstärker unter ausnutzung der ramanverstärkung
KR100340203B1 (ko) * 2000-09-19 2002-06-15 오길록 파장분할 다중화 방식 광전송 시스템의 광성능 감시장치
US6782199B1 (en) * 2000-09-29 2004-08-24 Onetta, Inc. Optical communications systems with optical subsystem communications links
US6922532B2 (en) * 2000-12-07 2005-07-26 Frederic Simard Optical performance monitoring for D/WDM networks
US6690894B2 (en) * 2001-05-14 2004-02-10 Stratalight Communications, Inc. Multilevel optical signals optimized for systems having signal-dependent and signal-independent noises, finite transmitter extinction ratio and intersymbol interference
US7031606B2 (en) * 2001-11-23 2006-04-18 Tropic Networks Inc. Method and system for monitoring performance of optical network
US6687044B2 (en) 2001-12-20 2004-02-03 Nortel Networks Limited Connection discovery for optical amplifier systems
US7260324B2 (en) 2002-09-11 2007-08-21 Altera Corporation Automatic optical power management in optical communications system
US7373087B2 (en) * 2003-02-27 2008-05-13 Oplink Communications, Inc. Adaptive optical transponder
TWI242942B (en) * 2004-02-17 2005-11-01 Asia Optical Co Inc Optical return loss detecting device
IL165958A (en) * 2004-12-23 2010-12-30 Eci Telecom Ltd Method of controlling optical amplifier located along an optical link
US7173756B2 (en) * 2005-02-17 2007-02-06 Jds Uniphase Corporation Optical amplification system for variable span length WDM optical communication systems
US7440140B2 (en) * 2005-04-29 2008-10-21 Hewlett-Packard Development Company, L.P. Sequential color error diffusion with forward and backward exchange of information between color planes
WO2008116309A1 (en) * 2007-03-26 2008-10-02 Universite Laval Method and system for testing for defects in a multipath optical network
JP4900482B2 (ja) * 2007-07-03 2012-03-21 富士通株式会社 レベル低下検出装置、光増幅装置、およびレベル低下検出方法
US8406637B2 (en) * 2008-05-27 2013-03-26 Xtera Communications, Inc. Automatic pre-emphasis
US9490894B2 (en) * 2008-12-08 2016-11-08 Ciena Corporation Coherent probe and optical service channel systems and methods for optical networks
US8433192B2 (en) * 2008-12-08 2013-04-30 Ciena Corporation Dynamic performance monitoring systems and methods for optical networks
CN102136870B (zh) * 2010-01-22 2014-02-26 华为技术有限公司 一种突发光信号的放大方法、装置和系统
US10122586B2 (en) 2015-10-12 2018-11-06 Ciena Corporation Physical adjacency detection systems and methods
US10601520B2 (en) 2018-02-07 2020-03-24 Infinera Corporation Clock recovery for digital subcarriers for optical networks
US11368228B2 (en) 2018-04-13 2022-06-21 Infinera Corporation Apparatuses and methods for digital subcarrier parameter modifications for optical communication networks
US11095389B2 (en) 2018-07-12 2021-08-17 Infiriera Corporation Subcarrier based data center network architecture
US11075694B2 (en) 2019-03-04 2021-07-27 Infinera Corporation Frequency division multiple access optical subcarriers
US11258528B2 (en) 2019-09-22 2022-02-22 Infinera Corporation Frequency division multiple access optical subcarriers
US11336369B2 (en) 2019-03-22 2022-05-17 Infinera Corporation Framework for handling signal integrity using ASE in optical networks
US11418312B2 (en) 2019-04-19 2022-08-16 Infinera Corporation Synchronization for subcarrier communication
US10972184B2 (en) 2019-05-07 2021-04-06 Infinera Corporation Bidirectional optical communications
US11088764B2 (en) 2019-05-14 2021-08-10 Infinera Corporation Out-of-band communication channel for sub-carrier-based optical communication systems
US11296812B2 (en) 2019-05-14 2022-04-05 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11239935B2 (en) * 2019-05-14 2022-02-01 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11190291B2 (en) 2019-05-14 2021-11-30 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11476966B2 (en) 2019-05-14 2022-10-18 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11489613B2 (en) 2019-05-14 2022-11-01 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11483257B2 (en) 2019-09-05 2022-10-25 Infinera Corporation Dynamically switching queueing schemes for network switches
EP4042607A1 (de) 2019-10-10 2022-08-17 Infinera Corporation Netzwerkschalter-systeme für optische kommunikationsnetze
US11356180B2 (en) 2019-10-10 2022-06-07 Infinera Corporation Hub-leaf laser synchronization
CA3157060A1 (en) 2019-10-10 2021-04-15 Infinera Corporation Optical subcarrier dual-path protection and restoration for optical communications networks
US11411365B2 (en) 2020-01-17 2022-08-09 Ciena Corporation System-level optical amplifier efficiency performance metric
EP4176536A1 (de) 2020-07-02 2023-05-10 Ciena Corporation Verwendung einer inkrementalen rauschmetrik zur schnellen modellierung von optischen netzwerken

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JP3320452B2 (ja) * 1992-07-15 2002-09-03 沖電気工業株式会社 光中継器の監視制御方式
FR2703531B1 (fr) * 1993-03-30 1995-05-19 Cit Alcatel Dispositif d'évaluation de la qualité de transmission d'un équipement amplificateur optique.
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JP2826457B2 (ja) * 1993-11-25 1998-11-18 日本電気 株式会社 光中継器
US5513029A (en) * 1994-06-16 1996-04-30 Northern Telecom Limited Method and apparatus for monitoring performance of optical transmission systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11799560B2 (en) 2019-10-31 2023-10-24 Ciena Corporation Asymmetric direct detection of optical signals

Also Published As

Publication number Publication date
JP3446211B2 (ja) 2003-09-16
US5822094A (en) 1998-10-13
CA2237604C (en) 2001-10-09
US5859716A (en) 1999-01-12
EP0875105B1 (de) 1999-12-29
JPH11509067A (ja) 1999-08-03
EP0875105A1 (de) 1998-11-04
DE69605947T2 (de) 2000-05-04
CA2237604A1 (en) 1997-07-24
WO1997026722A1 (en) 1997-07-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NORTEL NETWORKS LTD., ST.LAURENT, QUEBEC, CA

8339 Ceased/non-payment of the annual fee