AU2001288554A1 - Three-stage optical amplifier having flat spectral gain - Google Patents

Three-stage optical amplifier having flat spectral gain

Info

Publication number
AU2001288554A1
AU2001288554A1 AU2001288554A AU8855401A AU2001288554A1 AU 2001288554 A1 AU2001288554 A1 AU 2001288554A1 AU 2001288554 A AU2001288554 A AU 2001288554A AU 8855401 A AU8855401 A AU 8855401A AU 2001288554 A1 AU2001288554 A1 AU 2001288554A1
Authority
AU
Australia
Prior art keywords
optical amplifier
stage optical
spectral gain
flat spectral
flat
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.)
Abandoned
Application number
AU2001288554A
Inventor
Sridhar Balakrishnan
Jun Bao
James E. Degrange Jr.
Clark Scrandis
Michael G. Taylor
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.)
Ciena Corp
Original Assignee
Ciena 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 Ciena Corp filed Critical Ciena Corp
Publication of AU2001288554A1 publication Critical patent/AU2001288554A1/en
Abandoned 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
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/04—Gain spectral shaping, flattening
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
AU2001288554A 2000-10-02 2001-08-30 Three-stage optical amplifier having flat spectral gain Abandoned AU2001288554A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/677,344 2000-10-02
US09/677,344 US6900931B1 (en) 2000-10-02 2000-10-02 Three-stage optical amplifier having flat spectral gain
PCT/US2001/027048 WO2002029942A2 (en) 2000-10-02 2001-08-30 Three-stage optical amplifier having flat spectral gain

Publications (1)

Publication Number Publication Date
AU2001288554A1 true AU2001288554A1 (en) 2002-04-15

Family

ID=24718314

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001288554A Abandoned AU2001288554A1 (en) 2000-10-02 2001-08-30 Three-stage optical amplifier having flat spectral gain

Country Status (3)

Country Link
US (1) US6900931B1 (en)
AU (1) AU2001288554A1 (en)
WO (1) WO2002029942A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7081987B2 (en) * 2002-05-29 2006-07-25 Pts Corporation Coordinated control of dynamic gain equalization in a wavelength division multiplexed optical system
US20040197105A1 (en) * 2003-02-14 2004-10-07 Jds Uniphase Corporation Variable gain multi-stage optical amplifier
US7009761B2 (en) 2003-05-29 2006-03-07 Fujitsu Limited Power tilt compensation using automatic power balance control
US20040252366A1 (en) * 2003-06-13 2004-12-16 Rene Monnard Optical amplifier having fast Raman tilt control
US7694023B1 (en) * 2006-01-24 2010-04-06 Lockheed Martin Corporation Routing a processor communication
JP2008042845A (en) * 2006-08-10 2008-02-21 Fujitsu Ltd Optical wavelength multiplexed transmission apparatus, its control method, and optical wavelength multiplexed transmission system
JP5292731B2 (en) * 2007-07-09 2013-09-18 富士通株式会社 Optical transmission equipment
US8233215B2 (en) * 2009-08-18 2012-07-31 Ciena Corporation Optical module manufacturing and testing systems and methods
US8885248B2 (en) 2012-10-17 2014-11-11 Ciena Corporation Raman amplifier gain compression systems and methods based on signal power monitoring
US8873135B2 (en) 2012-12-21 2014-10-28 Ciena Corporation Extended dynamic range optical amplifier
GB2569714B (en) * 2016-08-30 2022-11-16 Skyworks Solutions Inc Multi-input amplifier with programmable embedded attenuators
US10237633B2 (en) 2017-02-16 2019-03-19 Ciena Corporation Systems and methods for modular deployment and upgrade of multiple optical spectrum bands in optical transmission systems
CN112310791B (en) * 2020-10-23 2021-10-12 武汉光迅电子技术有限公司 Gain adjusting method and optical fiber amplifier

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3618008B2 (en) * 1995-03-17 2005-02-09 富士通株式会社 Optical amplifier
US5532864A (en) * 1995-06-01 1996-07-02 Ciena Corporation Optical monitoring channel for wavelength division multiplexed optical communication system
JP3839861B2 (en) * 1995-11-20 2006-11-01 住友電気工業株式会社 Optical fiber amplifier
JP3739453B2 (en) * 1995-11-29 2006-01-25 富士通株式会社 Optical amplifier and optical communication system provided with the optical amplifier
JP3741767B2 (en) * 1996-02-26 2006-02-01 富士通株式会社 Optical fiber amplifier
US6025947A (en) * 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
JPH09321701A (en) * 1996-05-31 1997-12-12 Fujitsu Ltd Optical communication system and optical amplifier
EP1914849B1 (en) * 1997-02-18 2011-06-29 Nippon Telegraph & Telephone Corporation Optical amplifier and a transmission system using the same
JP3542253B2 (en) * 1997-06-19 2004-07-14 株式会社日立コミュニケーションテクノロジー Optical fiber amplifier and optical transmission system using the same
KR100277352B1 (en) * 1997-08-25 2001-01-15 윤종용 3-stage WDM-EDFA
JPH11275021A (en) 1998-03-20 1999-10-08 Fujitsu Ltd Optical amplifier
US6061171A (en) 1998-05-22 2000-05-09 Ciena Corporation Optical amplifier having a variable attenuator controlled based on input power
US6049413A (en) 1998-05-22 2000-04-11 Ciena Corporation Optical amplifier having first and second stages and an attenuator controlled based on the gains of the first and second stages
US5963361A (en) 1998-05-22 1999-10-05 Ciena Corporation Optical amplifier having a variable attenuator controlled based on detected ASE
US6057959A (en) 1998-05-22 2000-05-02 Ciena Corporation Optical amplifier having substantially uniform spectral gain
WO2000021166A1 (en) * 1998-10-04 2000-04-13 The Furukawa Electric Co., Ltd. Optical amplifier
US6151160A (en) * 1998-10-05 2000-11-21 Tyco Submarine Systems Ltd. Broadband Raman pre-amplifier for wavelength division multiplexed optical communication systems
JP3844902B2 (en) * 1999-03-02 2006-11-15 富士通株式会社 Wavelength multiplexing optical amplifier and optical communication system
US6215584B1 (en) * 1999-05-10 2001-04-10 Jds Uniphase Inc. Input independent tilt free actively gain flattened broadband amplifier
US6359727B1 (en) * 1999-05-20 2002-03-19 Sumitomo Electric Industries, Ltd. Optical amplifier for wavelength-multiplexing transmission
JP2000341213A (en) * 1999-05-26 2000-12-08 Fujitsu Ltd Gain adjustment device with temperature compensation function and optical amplifier
US6307670B1 (en) * 1999-12-14 2001-10-23 Corning Incorporated Pump power control for optical fiber amplifier
US6424457B1 (en) * 2000-10-06 2002-07-23 Onetta, Inc. Optical amplifiers and methods for manufacturing optical amplifiers

Also Published As

Publication number Publication date
US6900931B1 (en) 2005-05-31
WO2002029942A2 (en) 2002-04-11
WO2002029942A3 (en) 2002-08-01

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