DE69209633D1 - Rauscharmer optischer Verstärker mit einem hinter dem Verstärker angeordneten Verlustelement - Google Patents

Rauscharmer optischer Verstärker mit einem hinter dem Verstärker angeordneten Verlustelement

Info

Publication number: DE69209633D1
Authority: DE; Germany
Prior art keywords: amplifier; low; arranged behind; element arranged; loss element
Prior art date: 1991-12-19
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.): Expired - Lifetime

Application number

DE69209633T

Other languages

English (en)

Other versions

DE69209633T2 (de

Inventor

Isam M I Habbab

Adel Abdel Moneim Saleh

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.)

AT&T Corp

Original Assignee

AT&T 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.)

1991-12-19

Filing date

1992-11-23

Publication date

1996-05-09

1992-11-23 Application filed by AT&T Corp filed Critical AT&T Corp

1996-05-09 Application granted granted Critical

1996-05-09 Publication of DE69209633D1 publication Critical patent/DE69209633D1/de

1996-10-31 Publication of DE69209633T2 publication Critical patent/DE69209633T2/de

2012-11-24 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- H01S3/05—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
- H01S3/05—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
- H01S3/06758—Tandem 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
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof

DE69209633T 1991-12-19 1992-11-23 Rauscharmer optischer Verstärker mit einem hinter dem Verstärker angeordneten Verlustelement Expired - Lifetime DE69209633T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/810,273 US5187610A (en)	1991-12-19	1991-12-19	Low noise, optical amplifier having post-amplification loss element

Publications (2)

Publication Number	Publication Date
DE69209633D1 true DE69209633D1 (de)	1996-05-09
DE69209633T2 DE69209633T2 (de)	1996-10-31

Family

ID=25203455

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69209633T Expired - Lifetime DE69209633T2 (de)	1991-12-19	1992-11-23	Rauscharmer optischer Verstärker mit einem hinter dem Verstärker angeordneten Verlustelement

Country Status (5)

Country	Link
US (1)	US5187610A (de)
EP (1)	EP0550145B1 (de)
JP (1)	JP2598211B2 (de)
CA (1)	CA2082849C (de)
DE (1)	DE69209633T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH05327104A (ja) *	1992-05-21	1993-12-10	Sumitomo Electric Ind Ltd	光ファイバ増幅器
US5430572A (en) *	1993-09-30	1995-07-04	At&T Corp.	High power, high gain, low noise, two-stage optical amplifier
JPH07131421A (ja) *	1993-11-01	1995-05-19	Hitachi Ltd	光増幅装置と光伝送装置およびその制御方法と監視情報転送方法
US5572618A (en)	1994-07-13	1996-11-05	Lucent Technologies Inc.	Optical attenuator
GB2314714B (en) *	1996-06-26	2000-04-05	Northern Telecom Ltd	Optical amplifier modules
US5761234A (en) *	1996-07-09	1998-06-02	Sdl, Inc.	High power, reliable optical fiber pumping system with high redundancy for use in lightwave communication systems
DE19647488A1 (de) *	1996-11-16	1998-05-20	Alsthom Cge Alcatel	Optischer Verstärker für Signale einer großen Bandbreite und optisches Übertragungssystem mit einem solchen optischen Verstärker
US6008933A (en) *	1997-08-19	1999-12-28	Sdl, Inc.	Multiple stage optical fiber amplifier
US6049415A (en) *	1997-12-08	2000-04-11	Sdl, Inc.	Polarization maintaining fiber lasers and amplifiers
US6282016B1 (en)	1997-12-08	2001-08-28	Sdl, Inc.	Polarization maintaining fiber lasers and amplifiers
EP0924882A1 (de) *	1997-12-15	1999-06-23	Alcatel	Optischer Verstärker für Signale einer grossen Bandbreite und optisches Übertragungssystem mit einem solchen optischen Verstärker
US6501870B1 (en)	2000-03-03	2002-12-31	Lucent Technologies Inc.	System and method for reducing effects of optical impairments in optically amplified lightwave communication systems
DE10032542B4 (de) *	2000-07-05	2007-09-06	Schleifring Und Apparatebau Gmbh	Aktiver optischer Drehübertrager
KR100399578B1 (ko)	2000-11-29	2003-09-26	한국전자통신연구원	장파장 이득대역 어븀 첨가 광섬유 증폭기 및 역방향 진행자연방출광 차단 방법
US6552844B2 (en) *	2001-06-01	2003-04-22	Agere Systems Guardian Corp.	Passively output flattened optical amplifier
JP2004055717A (ja) *	2002-07-18	2004-02-19	Oki Electric Ind Co Ltd	可変光利得制御器
US7961380B2 (en)	2008-02-19	2011-06-14	Oclaro North America	Fast power transient supression in constant power-mode controlled optical amplifiers
JP5811546B2 (ja) *	2011-02-23	2015-11-11	富士通株式会社	光受信装置および光増幅装置
JP7171188B2 (ja) *	2017-12-27	2022-11-15	帝人フロンティア株式会社	短繊維の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3317848A (en) *	1964-01-20	1967-05-02	Ibm	Non-reciprocal light amplifier
DE1614648C3 (de) *	1967-11-03	1974-05-02	Siemens Ag, 1000 Berlin U. 8000 Muenchen	Optischer Sender
DE2248371C2 (de) *	1972-10-03	1985-12-05	Siemens AG, 1000 Berlin und 8000 München	In einen optischen Wellenleiter für ein optisches Nachrichtenübertragungssystem integrierter Zwischenverstärker
US4947134A (en) *	1987-10-30	1990-08-07	American Telephone And Telegraph Company	Lightwave systems using optical amplifiers
JPH02184828A (ja) *	1989-01-12	1990-07-19	Toshiba Corp	半導体光増幅器
US4971417A (en) *	1989-08-23	1990-11-20	The Boeing Company	Radiation-hardened optical repeater
US5067789A (en) *	1991-02-14	1991-11-26	Corning Incorporated	Fiber optic coupling filter and amplifier

1991
- 1991-12-19 US US07/810,273 patent/US5187610A/en not_active Expired - Lifetime
1992
- 1992-11-13 CA CA002082849A patent/CA2082849C/en not_active Expired - Fee Related
- 1992-11-23 EP EP92310672A patent/EP0550145B1/de not_active Expired - Lifetime
- 1992-11-23 DE DE69209633T patent/DE69209633T2/de not_active Expired - Lifetime
- 1992-12-18 JP JP4354951A patent/JP2598211B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69209633T2 (de)	1996-10-31
EP0550145A1 (de)	1993-07-07
CA2082849C (en)	1996-12-17
JPH0685372A (ja)	1994-03-25
CA2082849A1 (en)	1993-06-20
US5187610A (en)	1993-02-16
JP2598211B2 (ja)	1997-04-09
EP0550145B1 (de)	1996-04-03

Legal Events

Date

Code

Title

Description

1997-04-30

8364

No opposition during term of opposition

2012-11-24

R071

Expiry of right

Ref document number: 550145

Country of ref document: EP

Publication	Publication Date	Title
DE69209633T2 (de)	1996-10-31	Rauscharmer optischer Verstärker mit einem hinter dem Verstärker angeordneten Verlustelement
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DE69324869T2 (de)	2000-05-25	Vielfachlasersystem mit schmaler Bandbreite
FI106487B (fi)	2001-02-15	Liitinkokonaisuus
DE69203199D1 (de)	1995-08-03	Spektralphotometer.
FI922111A0 (fi)	1992-05-08	Elektrisk maskin.
DE59203185D1 (de)	1995-09-14	Mähwerk mit einem Mähwerksgehäuse.
FI922867A0 (fi)	1992-06-18	Dikarbonsyraderivat och foerfarande foer framstaellning av dem.
DE69113044T2 (de)	1996-04-18	Ethynylbenzothiophen-pestizide.
DE69109530T2 (de)	1995-09-21	Hohlleiterantenne mit mehreren Breitseiteschlitzen und einem Raumfilter.
DE69200616D1 (de)	1994-12-08	Bewässerungskanone.
DE69205964D1 (de)	1995-12-14	Abzug.
FI912042A (fi)	1991-11-30	Maskin foer automatisk montering av beslag.
FR2693844B1 (fr)	1996-09-27	Connecteur multiple a verrouillage.
TR27245A (tr)	1994-12-21	Herbisidler.
FI883907A0 (fi)	1988-08-24	Vattentaett ytorgan och anvaendning av detta.
KR940005207U (ko)	1994-03-16	정원기가 부착된 파이프 커터
KR920018321U (ko)	1992-10-19	분리조립형 파형관
IT1141478B (it)	1986-10-01	Gruppo attrezzato per esposizione e vendita a terra,montabile su autocarri di vario tipo
TR28057A (tr)	1995-12-11	Fosfosülfonat herbisitleri.
TR27269A (tr)	1994-12-22	Herbisidler.
FI915986A0 (fi)	1991-12-18	Filterkonstruktion.
FI912311A0 (fi)	1991-05-13	Delningsroersystems jordanslutning foer effektivering av en tankers lossning och lastning.