NL1003248A1 - Optische versterker. - Google Patents
Optische versterker.Info
- Publication number
- NL1003248A1 NL1003248A1 NL1003248A NL1003248A NL1003248A1 NL 1003248 A1 NL1003248 A1 NL 1003248A1 NL 1003248 A NL1003248 A NL 1003248A NL 1003248 A NL1003248 A NL 1003248A NL 1003248 A1 NL1003248 A1 NL 1003248A1
- Authority
- NL
- Netherlands
- Prior art keywords
- optical amplifier
- amplifier
- optical
- Prior art date
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
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 true NL1003248A1 (nl) | 1997-02-06 |
NL1003248C2 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 (nl) |
JP (1) | JPH09133935A (nl) |
GB (2) | GB9522943D0 (nl) |
NL (1) | NL1003248C2 (nl) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9522943D0 (en) * | 1995-08-05 | 1996-01-10 | Samsung Electronics Co Ltd | Erbium doped fiber amplifier |
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 |
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 |
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 |
BR9908416A (pt) * | 1998-03-31 | 2000-10-31 | Corning Inc | Amplificador de fibra dopada com érbio planarizado de ganho de performance aperfeiçoada |
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 |
US6646796B2 (en) * | 2001-05-31 | 2003-11-11 | Samsung Electronics Co., Ltd | Wide band erbium-doped fiber amplifier (EDFA) |
US6674570B2 (en) * | 2001-05-31 | 2004-01-06 | Samsung Electronic 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 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2246234A (en) * | 1990-05-21 | 1992-01-22 | Univ Southampton | Optical amplifier with shaped spectral gain |
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 |
JP2636152B2 (ja) * | 1993-11-24 | 1997-07-30 | 住友電気工業株式会社 | 光ファイバ増幅器および光通信システム |
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 |
-
1995
- 1995-11-09 GB GBGB9522943.1A patent/GB9522943D0/en active Pending
-
1996
- 1996-02-23 GB GB9603870A patent/GB2304229B/en not_active Expired - Fee Related
- 1996-05-31 NL NL1003248A patent/NL1003248C2/nl not_active IP Right Cessation
- 1996-08-05 US US08/692,205 patent/US5838487A/en not_active Expired - Fee Related
- 1996-08-05 JP JP8206125A patent/JPH09133935A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US5838487A (en) | 1998-11-17 |
JPH09133935A (ja) | 1997-05-20 |
GB9522943D0 (en) | 1996-01-10 |
GB2304229A (en) | 1997-03-12 |
GB2304229B (en) | 1999-12-29 |
GB9603870D0 (en) | 1996-04-24 |
NL1003248C2 (nl) | 1998-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
PD2B | A search report has been drawn up | ||
VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20061201 |