AU1037492A - Optical amplifier - Google Patents

Optical amplifier

Info

Publication number
AU1037492A
AU1037492A AU10374/92A AU1037492A AU1037492A AU 1037492 A AU1037492 A AU 1037492A AU 10374/92 A AU10374/92 A AU 10374/92A AU 1037492 A AU1037492 A AU 1037492A AU 1037492 A AU1037492 A AU 1037492A
Authority
AU
Australia
Prior art keywords
light
pumped
fibre element
signal amplifying
optical amplifier
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.)
Granted
Application number
AU10374/92A
Other versions
AU640073B2 (en
Inventor
Thomas Pfeiffer
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.)
Alcatel Lucent NV
Original Assignee
Alcatel NV
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 Alcatel NV filed Critical Alcatel NV
Publication of AU1037492A publication Critical patent/AU1037492A/en
Application granted granted Critical
Publication of AU640073B2 publication Critical patent/AU640073B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • H01S3/09—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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Filters (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

Pumped light can cause disturbances in the transmission path in optical amplifiers for amplifying light signals which are transmitted in light waveguides (4, 8), are supplied via a light waveguide coupler (5) into a light-signal amplifying fibre element (3) and are not completely absorbed therein. According to the invention, there is a pumped-light absorption fibre element (7), containing a ytterbium, behind the light-signal amplifying fibre element (3), which has a large absorption cross-section in the wavelength band from 900-1050 nm, in which the wavelength of the pumped light, which comes from a laser, lies. <IMAGE>
AU10374/92A 1991-01-30 1992-01-21 Optical amplifier Ceased AU640073B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4102648A DE4102648A1 (en) 1991-01-30 1991-01-30 OPTICAL AMPLIFIER
DE4102648 1991-01-30

Publications (2)

Publication Number Publication Date
AU1037492A true AU1037492A (en) 1992-08-06
AU640073B2 AU640073B2 (en) 1993-08-12

Family

ID=6423958

Family Applications (1)

Application Number Title Priority Date Filing Date
AU10374/92A Ceased AU640073B2 (en) 1991-01-30 1992-01-21 Optical amplifier

Country Status (7)

Country Link
EP (1) EP0497140B1 (en)
JP (1) JP3252148B2 (en)
AT (1) ATE104094T1 (en)
AU (1) AU640073B2 (en)
CA (1) CA2060287C (en)
DE (2) DE4102648A1 (en)
ES (1) ES2055621T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216728A (en) * 1991-06-14 1993-06-01 Corning Incorporated Optical fiber amplifier with filter
DE4446524A1 (en) * 1994-12-24 1996-06-27 Sel Alcatel Ag Fiber optic amplifier
DE19647488A1 (en) * 1996-11-16 1998-05-20 Alsthom Cge Alcatel Optical amplifier for optical transmission system
DE19723267A1 (en) 1997-06-03 1998-12-10 Heidelberger Druckmasch Ag Method and arrangement for reducing the pump light at the exit of a fiber laser
JP3848327B2 (en) 2002-03-28 2006-11-22 富士通株式会社 Optical device having loss compensation function and optical amplifier for loss compensation
US7940453B2 (en) 2006-08-07 2011-05-10 Pyrophotonics Lasers Inc. Fiber amplifiers and fiber lasers with reduced out-of-band gain
CN109038189B (en) * 2018-07-27 2019-12-31 武汉光迅科技股份有限公司 Double 980 pump laser pair pump structure for EDFA

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK153791A (en) * 1991-09-02 1993-03-03 Nkt Res Center As PROCEDURE FOR COMPRESSION OF RIN IN COHESENT OPTICAL SYSTEMS, LIKE COMMUNICATION RECEIVERS

Also Published As

Publication number Publication date
ATE104094T1 (en) 1994-04-15
CA2060287C (en) 2001-07-24
JP3252148B2 (en) 2002-01-28
JPH04303980A (en) 1992-10-27
DE4102648A1 (en) 1992-08-06
CA2060287A1 (en) 1992-07-31
EP0497140A1 (en) 1992-08-05
EP0497140B1 (en) 1994-04-06
ES2055621T3 (en) 1994-08-16
AU640073B2 (en) 1993-08-12
DE59200103D1 (en) 1994-05-11

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired