WO2009022409A1 - 光増幅器 - Google Patents

光増幅器 Download PDF

Info

Publication number
WO2009022409A1
WO2009022409A1 PCT/JP2007/065841 JP2007065841W WO2009022409A1 WO 2009022409 A1 WO2009022409 A1 WO 2009022409A1 JP 2007065841 W JP2007065841 W JP 2007065841W WO 2009022409 A1 WO2009022409 A1 WO 2009022409A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical amplifier
section
light
propagation delay
optical
Prior art date
Application number
PCT/JP2007/065841
Other languages
English (en)
French (fr)
Inventor
Futoshi Izumi
Original Assignee
Fujitsu Limited
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 Limited filed Critical Fujitsu Limited
Priority to JP2009527998A priority Critical patent/JP5163650B2/ja
Priority to PCT/JP2007/065841 priority patent/WO2009022409A1/ja
Publication of WO2009022409A1 publication Critical patent/WO2009022409A1/ja
Priority to US12/690,253 priority patent/US8279518B2/en

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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • H04B10/25133—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion including a lumped electrical or optical dispersion compensator
    • 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
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/2942—Signal power control in a multiwavelength system, e.g. gain equalisation using automatic gain control [AGC]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1305—Feedback control systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)

Abstract

　本発明の目的は、光波長多重通信システムに用いられる光増幅器において、緩和時間に対応した制御が可能な光増幅器を提供することである。 　上記の目的を解決するため、光増幅器は、入力した光を検出する検出部と、該入力した光の分散を変える分散補償器と、希土類元素が含まれる光増幅媒体に励起光を加えることで、該分散補償器からの光を誘導放出により光増幅する光増幅部と、該検出部と該光増幅部間の光の伝播遅延時間を検出する伝播遅延検出部と、該伝播遅延時間に基づいて該光増幅部の利得を制御する制御部とを備える。  
PCT/JP2007/065841 2007-08-14 2007-08-14 光増幅器 WO2009022409A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009527998A JP5163650B2 (ja) 2007-08-14 2007-08-14 光増幅器
PCT/JP2007/065841 WO2009022409A1 (ja) 2007-08-14 2007-08-14 光増幅器
US12/690,253 US8279518B2 (en) 2007-08-14 2010-01-20 Optical amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/065841 WO2009022409A1 (ja) 2007-08-14 2007-08-14 光増幅器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/690,253 Continuation US8279518B2 (en) 2007-08-14 2010-01-20 Optical amplifier

Publications (1)

Publication Number Publication Date
WO2009022409A1 true WO2009022409A1 (ja) 2009-02-19

Family

ID=40350473

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/065841 WO2009022409A1 (ja) 2007-08-14 2007-08-14 光増幅器

Country Status (3)

Country Link
US (1) US8279518B2 (ja)
JP (1) JP5163650B2 (ja)
WO (1) WO2009022409A1 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11330595A (ja) * 1998-03-17 1999-11-30 Hitachi Cable Ltd 超広帯域波長分散補償・増幅デバイス，およびそれを用いた光通信システム
JP2002261364A (ja) * 2000-12-26 2002-09-13 Sumitomo Electric Ind Ltd 光増幅器、それを含む光通信システム及びそれに含まれる光ファイバモジュール

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08179388A (ja) 1994-12-27 1996-07-12 Fujitsu Ltd 光増幅装置
JP3317834B2 (ja) 1996-01-18 2002-08-26 日本電気株式会社 光送信回路
SE514609C2 (sv) * 1996-09-13 2001-03-19 Ericsson Telefon Ab L M System och förfarande för reglering av uteffekten hos en optisk förstärkare
US6661570B2 (en) 2000-12-26 2003-12-09 Sumitomo Electric Industries, Ltd. Optical amplifier, optical communication system including the same, and optical fiber module included in the same
US6476961B1 (en) * 2001-04-26 2002-11-05 Onetta, Inc. Optical amplifier systems with transient control
US6989923B2 (en) * 2001-08-08 2006-01-24 Photuris, Inc. Optical amplifier having automatic gain control with improved performance
US7061668B2 (en) * 2002-03-21 2006-06-13 Siemens Communications Inc. Fast optical amplifier control circuit
KR100462029B1 (ko) * 2003-03-14 2004-12-18 한국전자통신연구원 광섬유 증폭기 및 이의 제어 방법
DE102004052883B4 (de) * 2004-11-02 2019-07-04 Xieon Networks S.À.R.L. Verfahren zur Kompensation von Gewinnschwankungen eines mehrstufigen optischen Verstärkers sowie mehrstufiger optischer Verstärker
JP4835305B2 (ja) * 2006-07-27 2011-12-14 住友電気工業株式会社 光増幅器
WO2008084374A1 (en) * 2007-01-08 2008-07-17 Bookham Technology Plc Cascaded optical amplifier and control method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11330595A (ja) * 1998-03-17 1999-11-30 Hitachi Cable Ltd 超広帯域波長分散補償・増幅デバイス，およびそれを用いた光通信システム
JP2002261364A (ja) * 2000-12-26 2002-09-13 Sumitomo Electric Ind Ltd 光増幅器、それを含む光通信システム及びそれに含まれる光ファイバモジュール

Also Published As

Publication number Publication date
JPWO2009022409A1 (ja) 2010-11-11
US20100118387A1 (en) 2010-05-13
JP5163650B2 (ja) 2013-03-13
US8279518B2 (en) 2012-10-02

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