NL1003248C2 - Optische versterker. - Google Patents

Optische versterker. Download PDF

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Publication number
NL1003248C2
NL1003248C2 NL1003248A NL1003248A NL1003248C2 NL 1003248 C2 NL1003248 C2 NL 1003248C2 NL 1003248 A NL1003248 A NL 1003248A NL 1003248 A NL1003248 A NL 1003248A NL 1003248 C2 NL1003248 C2 NL 1003248C2
Authority
NL
Netherlands
Prior art keywords
gain
optical
wavelength
edfa
amplifier according
Prior art date
Application number
NL1003248A
Other languages
English (en)
Dutch (nl)
Other versions
NL1003248A1 (nl
Inventor
Lars Johan Albinsson
Yong-Woo Lee
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of NL1003248A1 publication Critical patent/NL1003248A1/xx
Application granted granted Critical
Publication of NL1003248C2 publication Critical patent/NL1003248C2/nl

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
    • H01S3/05—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
    • H01S3/06787—Bidirectional amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
NL1003248A 1995-08-05 1996-05-31 Optische versterker. NL1003248C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR19950024248 1995-08-05
KR19950024248 1995-08-05

Publications (2)

Publication Number Publication Date
NL1003248A1 NL1003248A1 (nl) 1997-02-06
NL1003248C2 true NL1003248C2 (nl) 1998-09-28

Family

ID=19422978

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1003248A NL1003248C2 (nl) 1995-08-05 1996-05-31 Optische versterker.

Country Status (4)

Country Link
US (1) US5838487A (ja)
JP (1) JPH09133935A (ja)
GB (2) GB9522943D0 (ja)
NL (1) NL1003248C2 (ja)

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US6198570B1 (en) * 1996-04-05 2001-03-06 The Furukawa Electric Co., Ltd. Optical filter, manufacturing method thereof, and optical amplifier equipped with said optical filter
US5933552A (en) * 1996-04-25 1999-08-03 The Furukawa Electric Co., Ltd. Optical filter, manufacturing method thereof and optical amplifier equipped with said optical filter
JPH10276172A (ja) * 1997-03-28 1998-10-13 Kokusai Denshin Denwa Co Ltd <Kdd> 波長分割光処理装置およびこの波長分割光処理装置を用いた光通信伝送路
JP3299684B2 (ja) 1997-04-23 2002-07-08 日本電信電話株式会社 光増幅器および光増幅方法
KR100265788B1 (ko) * 1997-07-03 2000-09-15 윤종용 높은소신호이득을갖는광섬유증폭기
JP3452768B2 (ja) * 1997-08-11 2003-09-29 富士通株式会社 光増幅のための方法及び装置並びに該装置を有するシステム
KR100258970B1 (ko) * 1997-11-20 2000-06-15 윤종용 광섬유 증폭기
KR100280968B1 (ko) 1997-12-10 2001-02-01 윤종용 동기화된에탈론필터를이용한광섬유증폭기
JP3779054B2 (ja) 1998-01-23 2006-05-24 富士通株式会社 可変光学フィルタ
JP3638777B2 (ja) 1998-02-04 2005-04-13 富士通株式会社 利得等化のための方法並びに該方法の実施に使用する装置及びシステム
JP2002510868A (ja) * 1998-03-31 2002-04-09 コーニング・インコーポレーテッド ゲイン平坦化ｅｄｆａ
US6204958B1 (en) * 1998-10-08 2001-03-20 Ciena Corporation Optical amplifier having a substantially flat gain spectrum
US6166851A (en) * 1998-12-29 2000-12-26 Nortel Networks Limited Optical amplifier manufacture
US6459526B1 (en) * 1999-08-09 2002-10-01 Corning Incorporated L band amplifier with distributed filtering
JP3784585B2 (ja) * 1999-08-26 2006-06-14 富士通株式会社 光ファイバ伝送のための方法、光デバイス及びシステム
EP1126567A1 (en) * 2000-01-31 2001-08-22 Alcatel An optical fibre amplifier
KR100327299B1 (ko) * 2000-02-21 2002-03-06 김성준 2-단자 파장선택 결합기를 사용한 광섬유 증폭기
JP2001255423A (ja) * 2000-03-13 2001-09-21 Furukawa Electric Co Ltd:The 光部品
US6441953B1 (en) * 2000-04-24 2002-08-27 Corning Incorporated L band multistage amplifier with improved noise figure
US6611372B1 (en) * 2000-06-09 2003-08-26 The Arizona Board Of Regents On Behalf Of The University Of Arizona Erbium and ytterbium co-doped phosphate glass optical fiber amplifiers using short active fiber length
US6377396B1 (en) 2000-09-26 2002-04-23 Onetta, Inc. Optical amplifiers with variable optical attenuation for use in fiber-optic communications systems
US6417961B1 (en) 2000-10-10 2002-07-09 Onetta, Inc. Optical amplifiers with dispersion compensation
CA2372638C (en) * 2001-02-21 2006-09-12 Nippon Telegraph And Telephone Corporation Thulium-doped fiber amplifier using pump light for improving conversion efficiency in s-band
US6900885B2 (en) * 2001-03-09 2005-05-31 Nippon Telegraph & Telephone Corporation White light source
US6674570B2 (en) * 2001-05-31 2004-01-06 Samsung Electronic Co., Ltd. Wide band erbium-doped fiber amplifier (EDFA)
US6646796B2 (en) * 2001-05-31 2003-11-11 Samsung Electronics Co., Ltd Wide band erbium-doped fiber amplifier (EDFA)
US6552844B2 (en) 2001-06-01 2003-04-22 Agere Systems Guardian Corp. Passively output flattened optical amplifier
US6687049B1 (en) 2001-07-03 2004-02-03 Onetta, Inc. Optical amplifiers with stable output power under low input power conditions
US6819846B2 (en) * 2001-08-02 2004-11-16 Corning Incorporated High absorption erbium doped amplifying optical fiber
US6577789B1 (en) 2001-09-26 2003-06-10 Onetta, Inc. Double-pass optical amplifiers and optical network equipment
US20050041978A1 (en) * 2001-10-03 2005-02-24 Rajeev Roy Optical signal to noise ratio system
US7042634B2 (en) * 2002-03-14 2006-05-09 Nippon Telegraph And Telephone Corporation Optical amplifier
DE102004048018A1 (de) * 2004-09-28 2006-05-11 Siemens Ag Optisches Kommunikationsnetzwerk, Feldgerät in einem optischen Kommunikationsnetzwerk und optische Kommunikationseinrichtung
CN101374025B (zh) * 2007-08-22 2012-08-29 昂纳信息技术（深圳）有限公司 光放大器增益平坦滤波器的谱形确定方法
US7969647B2 (en) * 2007-10-08 2011-06-28 Jds Uniphase Corporation Apparatus and method for flattening gain profile of an optical amplifier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991018434A1 (en) * 1990-05-21 1991-11-28 University Of Southampton Erbium-doped fibre amplifier with shaped spectral gain
EP0654872A1 (en) * 1993-11-24 1995-05-24 Sumitomo Electric Industries, Ltd Optical fiber amplifier and optical amplifier repeater

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US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier
US5058976A (en) * 1990-08-03 1991-10-22 At&T Bell Laboratories System comprising Er-doped optical fiber
GB2265751B (en) * 1992-03-23 1995-12-20 Univ Southampton Optical amplifier with automatic self adjusting gain spectrum
JPH06276154A (ja) * 1993-03-19 1994-09-30 Nippon Telegr & Teleph Corp <Ntt> 光利得等化回路
US5579143A (en) * 1993-06-04 1996-11-26 Ciena Corporation Optical system with tunable in-fiber gratings
JP2751789B2 (ja) * 1993-07-14 1998-05-18 日本電気株式会社 光ファイバ増幅器
US5406404A (en) * 1993-11-02 1995-04-11 At&T Corp. Method of mitigating gain peaking using a chain of fiber amplifiers
IT1270032B (it) * 1994-04-14 1997-04-28 Pirelli Cavi Spa Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda
US5530584A (en) * 1994-12-16 1996-06-25 National Research Council Of Canada Control of gain and dispersion of a signal in an optical medium
US5657153A (en) * 1995-03-21 1997-08-12 Sdl, Inc. Optical amplifier with complementary modulation signal inputs
GB9522943D0 (en) * 1995-08-05 1996-01-10 Samsung Electronics Co Ltd Erbium doped fiber amplifier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991018434A1 (en) * 1990-05-21 1991-11-28 University Of Southampton Erbium-doped fibre amplifier with shaped spectral gain
EP0654872A1 (en) * 1993-11-24 1995-05-24 Sumitomo Electric Industries, Ltd Optical fiber amplifier and optical amplifier repeater

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NILSSON J ET AL: "ERBIUM DOPED FIBRE AMPLIFIER WITH DYNAMIC GAIN FLATNESS FOR WDM", ELECTRONICS LETTERS, vol. 31, no. 18, 31 August 1995 (1995-08-31), pages 1578/1579, XP000530964 *
WYSOCKI P F ET AL: "PREDICTION OF GAIN PEAK WAVELENGTH FOR ER-DOPED FIBER AMPLIFIERS AND AMPLIFIER CHAINS", IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 6, no. 9, September 1994 (1994-09-01), pages 1098 - 1100, XP000468073 *

Also Published As

Publication number Publication date
GB2304229B (en) 1999-12-29
US5838487A (en) 1998-11-17
GB9522943D0 (en) 1996-01-10
NL1003248A1 (nl) 1997-02-06
GB9603870D0 (en) 1996-04-24
GB2304229A (en) 1997-03-12
JPH09133935A (ja) 1997-05-20

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AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 19980512

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VD1 Lapsed due to non-payment of the annual fee

Effective date: 20061201