WO2008146910A1 - 光増幅器 - Google Patents

光増幅器 Download PDF

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Publication number
WO2008146910A1
WO2008146910A1 PCT/JP2008/060005 JP2008060005W WO2008146910A1 WO 2008146910 A1 WO2008146910 A1 WO 2008146910A1 JP 2008060005 W JP2008060005 W JP 2008060005W WO 2008146910 A1 WO2008146910 A1 WO 2008146910A1
Authority
WO
WIPO (PCT)
Prior art keywords
response performance
optical
optical amplification
optical amplifier
signal
Prior art date
Application number
PCT/JP2008/060005
Other languages
English (en)
French (fr)
Inventor
Hiroshi Nagaeda
Yoichi Oikawa
Noriyasu Shiga
Yoshiaki Horiuchi
Original Assignee
Trimatiz 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 Trimatiz Ltd. filed Critical Trimatiz Ltd.
Priority to CN2008801015098A priority Critical patent/CN101772868B/zh
Priority to EP08777016.0A priority patent/EP2169786A4/en
Priority to US12/602,341 priority patent/US8054524B2/en
Publication of WO2008146910A1 publication Critical patent/WO2008146910A1/ja

Links

Classifications

    • 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
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • 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
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/1001—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by controlling the optical pumping
    • 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
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • H01S3/094011—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with bidirectional pumping, i.e. with injection of the pump light from both two ends of the fibre
    • 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
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10015—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by monitoring or controlling, e.g. attenuating, the input signal
    • 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
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
    • H01S3/1003—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors tunable optical elements, e.g. acousto-optic filters, tunable gratings
    • 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

Abstract

　高速光増幅器は、ネットワークの複雑化に伴うルーティング要求の高まりから、重要な光デバイスとされている。従来の技術では、応答性能が満足できるものではなく、１０マイクロ秒以下の高速応答性能を実現することが課題となっていた。 　本発明の光増幅器は、入力モニタ手段５００と、光増幅媒体３００を含む光増幅手段３１０と、フィードフォワード制御を行うための制御手段４００とを含み、入力モニタ手段５００の信号に応じて前記光増幅手段を前記フィードフォワード制御により制御する際に、制御信号をオーバシュート信号にすることで、前記光増幅媒体固有の遅い応答性能を改善し、高速応答性能を実現した。
PCT/JP2008/060005 2007-05-31 2008-05-30 光増幅器 WO2008146910A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008801015098A CN101772868B (zh) 2007-05-31 2008-05-30 光放大器
EP08777016.0A EP2169786A4 (en) 2007-05-31 2008-05-30 OPTICAL AMPLIFIER
US12/602,341 US8054524B2 (en) 2007-05-31 2008-05-30 Optical amplifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-169730 2007-05-31
JP2007169730A JP5679618B2 (ja) 2007-05-31 2007-05-31 光増幅器

Publications (1)

Publication Number Publication Date
WO2008146910A1 true WO2008146910A1 (ja) 2008-12-04

Family

ID=40075140

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060005 WO2008146910A1 (ja) 2007-05-31 2008-05-30 光増幅器

Country Status (5)

Country Link
US (1) US8054524B2 (ja)
EP (1) EP2169786A4 (ja)
JP (1) JP5679618B2 (ja)
CN (1) CN101772868B (ja)
WO (1) WO2008146910A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5419141B2 (ja) * 2009-03-19 2014-02-19 株式会社トリマティス 光強度コントローラ
CN103607243B (zh) * 2013-09-30 2016-08-17 武汉光迅科技股份有限公司 一种不区分模式的前馈控制方法和装置
EP2999146B1 (en) * 2014-09-16 2018-08-08 Cosemi Technologies Inc. Method for improving signal quality of a digital signal being processed in a linear device and apparatus using the same
JP6533190B2 (ja) * 2016-06-01 2019-06-19 日本電信電話株式会社 光中継装置及び光中継方法
JP6996559B2 (ja) * 2017-07-14 2022-01-17 日本電気株式会社 プラガブル光モジュール、光通信システム及びプラガブル光モジュールの制御方法
JP7073895B2 (ja) * 2018-05-11 2022-05-24 富士通オプティカルコンポーネンツ株式会社 光送信装置および光送信装置の制御方法
CN111463647B (zh) * 2020-03-31 2021-10-29 武汉光迅科技股份有限公司 一种光放大器及其调节方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05241209A (ja) * 1992-03-02 1993-09-21 Fujitsu Ltd 光増幅器制御システム
JP2001094181A (ja) * 1999-09-27 2001-04-06 Sumitomo Electric Ind Ltd 光増幅器
JP2002118316A (ja) * 2000-09-06 2002-04-19 Samsung Electronics Co Ltd エルビウム添加光ファイバ増幅器の利得制御装置及び方法
JP2002533969A (ja) * 1998-12-21 2002-10-08 コーニング・インコーポレーテッド 出力信号および入力信号の比率を制御するための方法と装置
JP2004175280A (ja) * 2002-11-28 2004-06-24 Mitsubishi Electric Corp 車輌用自動操舵装置
WO2005121876A1 (ja) * 2004-05-28 2005-12-22 Trimatiz Limited 偏光可変素子を用いた光デバイス

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01213025A (ja) * 1988-02-22 1989-08-25 Sumitomo Electric Ind Ltd 発光素子駆動回路
JPH07212315A (ja) 1994-01-18 1995-08-11 Fujitsu Ltd 光増幅器
JP3730299B2 (ja) * 1996-02-07 2005-12-21 富士通株式会社 光等化増幅器および光等化増幅方法
US6603596B2 (en) * 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
EP1130818A1 (en) * 2000-02-29 2001-09-05 Telefonaktiebolaget Lm Ericsson Optical communication system
JP4867082B2 (ja) * 2000-12-26 2012-02-01 住友電気工業株式会社 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
US6417965B1 (en) * 2001-02-16 2002-07-09 Onetta, Inc. Optical amplifier control system
US6690506B2 (en) * 2001-05-17 2004-02-10 Corning Incorporated Control architecture and method for optical amplifiers
JP3908971B2 (ja) * 2001-10-11 2007-04-25 浜松ホトニクス株式会社 発光素子駆動回路
US6825681B2 (en) * 2002-07-19 2004-11-30 Delta Design, Inc. Thermal control of a DUT using a thermal control substrate
JP4393456B2 (ja) * 2003-06-25 2010-01-06 富士通株式会社 光増幅装置
JP4929664B2 (ja) * 2005-03-14 2012-05-09 富士通株式会社 光増幅器の制御装置、光増幅器の制御方法、光伝送装置、光増幅器、帯域単位利得等化器を用いた光増幅器及び帯域単位利得等化器を用いた波長多重伝送システム
DE102005060019A1 (de) * 2005-12-15 2007-06-21 Siemens Ag Regelbarer optischer Verstärker und Verfahren zur Regelung eines optischen Verstärkers
US7522784B2 (en) * 2006-02-27 2009-04-21 Jds Uniphase Corporation Asymmetric directional coupler having a reduced drive voltage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05241209A (ja) * 1992-03-02 1993-09-21 Fujitsu Ltd 光増幅器制御システム
JP2002533969A (ja) * 1998-12-21 2002-10-08 コーニング・インコーポレーテッド 出力信号および入力信号の比率を制御するための方法と装置
JP2001094181A (ja) * 1999-09-27 2001-04-06 Sumitomo Electric Ind Ltd 光増幅器
JP2002118316A (ja) * 2000-09-06 2002-04-19 Samsung Electronics Co Ltd エルビウム添加光ファイバ増幅器の利得制御装置及び方法
JP2004175280A (ja) * 2002-11-28 2004-06-24 Mitsubishi Electric Corp 車輌用自動操舵装置
WO2005121876A1 (ja) * 2004-05-28 2005-12-22 Trimatiz Limited 偏光可変素子を用いた光デバイス

Also Published As

Publication number Publication date
US8054524B2 (en) 2011-11-08
EP2169786A4 (en) 2013-05-29
JP5679618B2 (ja) 2015-03-04
CN101772868B (zh) 2013-09-11
CN101772868A (zh) 2010-07-07
JP2008300812A (ja) 2008-12-11
EP2169786A1 (en) 2010-03-31
US20100134862A1 (en) 2010-06-03

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