JP4472896B2 - 光伝送システムにおいてラマン利得を検出する装置 - Google Patents

光伝送システムにおいてラマン利得を検出する装置 Download PDF

Info

Publication number
JP4472896B2
JP4472896B2 JP2001188954A JP2001188954A JP4472896B2 JP 4472896 B2 JP4472896 B2 JP 4472896B2 JP 2001188954 A JP2001188954 A JP 2001188954A JP 2001188954 A JP2001188954 A JP 2001188954A JP 4472896 B2 JP4472896 B2 JP 4472896B2
Authority
JP
Japan
Prior art keywords
signal
sensor
signals
power
level
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
JP2001188954A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002064432A (ja
JP2002064432A5 (https=
Inventor
マイロン デンキン ナサン
リン ウェンヒューア
シェハデー ファティマ
Original Assignee
アルカテル−ルーセント ユーエスエー インコーポレーテッド
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 アルカテル−ルーセント ユーエスエー インコーポレーテッド filed Critical アルカテル−ルーセント ユーエスエー インコーポレーテッド
Publication of JP2002064432A publication Critical patent/JP2002064432A/ja
Publication of JP2002064432A5 publication Critical patent/JP2002064432A5/ja
Application granted granted Critical
Publication of JP4472896B2 publication Critical patent/JP4472896B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • H04B10/2507Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2537Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to scattering processes, e.g. Raman or Brillouin scattering

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Lasers (AREA)
  • Spectrometry And Color Measurement (AREA)
JP2001188954A 2000-06-22 2001-06-22 光伝送システムにおいてラマン利得を検出する装置 Expired - Fee Related JP4472896B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/599194 2000-06-22
US09/599,194 US6980740B1 (en) 2000-06-22 2000-06-22 Apparatus for detecting raman gain in an optical transmission system

Publications (3)

Publication Number Publication Date
JP2002064432A JP2002064432A (ja) 2002-02-28
JP2002064432A5 JP2002064432A5 (https=) 2008-07-17
JP4472896B2 true JP4472896B2 (ja) 2010-06-02

Family

ID=24398632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001188954A Expired - Fee Related JP4472896B2 (ja) 2000-06-22 2001-06-22 光伝送システムにおいてラマン利得を検出する装置

Country Status (6)

Country Link
US (1) US6980740B1 (https=)
EP (1) EP1168684B1 (https=)
JP (1) JP4472896B2 (https=)
CN (1) CN1332370A (https=)
CA (1) CA2344869C (https=)
DE (1) DE60141556D1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7684696B1 (en) * 2002-07-23 2010-03-23 Nortel Networks Limited Method and apparatus for determining signal viability in optical networks
DE10239304A1 (de) * 2002-08-27 2004-03-11 Siemens Ag Verfahren zur Ermittlung des Gewinnspektrums eines Raman-Verstärkers in einem WDM-Übertragungssystem
WO2006001229A1 (ja) * 2004-06-23 2006-01-05 Nippon Telegraph And Telephone Corporation 線形中継器および光ファイバ通信システム
DE102005002195A1 (de) * 2005-01-17 2006-07-27 Siemens Ag Verfahren und Anordnung zur Regeneration eines optischen Datensignals
CN115133981A (zh) * 2021-03-26 2022-09-30 华为技术有限公司 校正系数确定方法、装置及光通信系统
JP2026067063A (ja) * 2024-10-08 2026-04-20 浜松ホトニクス株式会社 光源装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5374973A (en) * 1993-09-21 1994-12-20 Alcatel Network Systems, Inc. Optical amplifier
JP3244579B2 (ja) * 1993-12-17 2002-01-07 富士通株式会社 光ファイバ増幅器
US5444528A (en) * 1994-07-27 1995-08-22 The Titan Corporation Tunable spectrometer with acousto-optical tunable filter
JPH08264871A (ja) * 1995-03-20 1996-10-11 Fujitsu Ltd 多波長一括光増幅装置
JP2687933B2 (ja) * 1995-06-09 1997-12-08 日本電気株式会社 光直接増幅器
JP2871547B2 (ja) * 1995-09-08 1999-03-17 日本電気株式会社 光スペクトルアナライザ装置および光増幅器の制御方法
JP3422398B2 (ja) 1995-12-07 2003-06-30 富士通株式会社 重心波長モニタ方法及び装置、光増幅器並びに光通信システム
US6072614A (en) * 1997-08-21 2000-06-06 Nortel Networks Corporation Monitoring induced counterpropagating signals in optical communications systems
KR100424772B1 (ko) * 1997-11-14 2004-05-17 삼성전자주식회사 광증폭기시스템
US6141467A (en) * 1998-03-18 2000-10-31 Lucent Technologies Inc. Wavelength-division-multiplexing programmable add/drop using interleave-chirped waveguide grating router
EP2306605B1 (en) * 1998-07-23 2012-05-23 The Furukawa Electric Co., Ltd. Pumping unit for a Raman amplifier and Raman amplifier comprising the same
JP3844902B2 (ja) * 1999-03-02 2006-11-15 富士通株式会社 波長多重用光増幅器及び光通信システム
US6088152A (en) * 1999-03-08 2000-07-11 Lucent Technologies Inc. Optical amplifier arranged to offset Raman gain

Also Published As

Publication number Publication date
US6980740B1 (en) 2005-12-27
CA2344869C (en) 2005-09-06
CA2344869A1 (en) 2001-12-22
CN1332370A (zh) 2002-01-23
EP1168684A2 (en) 2002-01-02
EP1168684B1 (en) 2010-03-17
JP2002064432A (ja) 2002-02-28
EP1168684A3 (en) 2005-01-26
DE60141556D1 (de) 2010-04-29

Similar Documents

Publication Publication Date Title
US6868200B2 (en) Wavelength division multiplexing optical transmission apparatus
US6396051B1 (en) High resolution optical performance monitor for DWDM system
US6433901B2 (en) Optical performance monitor
KR100341825B1 (ko) 편광소멸법을 이용한 광신호 대 잡음비 감시방법 및 장치
US5923453A (en) Apparatus for measuring optical transmission line property and optical wavelength multiplexing transmission apparatus
US7149428B2 (en) OSNR monitoring method and apparatus using tunable optical bandpass filter and polarization nulling method
US5915052A (en) Loop status monitor for determining the amplitude of the signal components of a multi-wavelength optical beam
SE509968C2 (sv) Optisk förstärkare med variabel förstärkning
JP2954941B2 (ja) 大容量波長分割マルチプレクサ
RU2209517C2 (ru) Усилитель волоконно-оптической линии передачи для регулировки равномерности усиления
JP4472896B2 (ja) 光伝送システムにおいてラマン利得を検出する装置
JP2001044970A (ja) 波長多重伝送装置
CN100423478C (zh) 用于偏振模式色散的检测和补偿的方法和装置
US6535289B1 (en) System and method for optical heterodyne detection of an optical signal
EP1130813B1 (en) Method and system for optical heterodyne detection using optical attenuation
EP0802640B1 (fr) Procédé et disposif d'amplification de canaux extraits d'un multiplex de longueurs d'onde
US20050232627A1 (en) Method and apparatus for optical performance monitoring
US20040247319A1 (en) Characterization of a transmission path of an optical signal having an optical communication signal
US7457032B2 (en) Arrangement, system, and method for accurate power measurements using an optical performance monitor (OPM)
EP4418569A1 (en) Methods and systems for characterization of polarization-dependent loss or gain in optical links and components
US7248398B2 (en) Method for determining the gain spectrum of a Raman amplifier in a WDM-transmission system
US20050074195A1 (en) Optical monitoring apparatus for use in wavelength division multiplexing network
JPH0764134A (ja) 光増幅器の出力制御回路
US6919963B2 (en) Apparatus for detecting wavelength drift and method therefor
JP2002208893A (ja) 光フィルタおよびこれを用いた波長多重光伝送システム

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080603

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080603

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090202

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20090501

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20090511

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090602

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100208

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100304

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130312

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4472896

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140312

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees