AU9782898A - Bidirectional optical amplifier having flat gain - Google Patents

Bidirectional optical amplifier having flat gain

Info

Publication number
AU9782898A
AU9782898A AU97828/98A AU9782898A AU9782898A AU 9782898 A AU9782898 A AU 9782898A AU 97828/98 A AU97828/98 A AU 97828/98A AU 9782898 A AU9782898 A AU 9782898A AU 9782898 A AU9782898 A AU 9782898A
Authority
AU
Australia
Prior art keywords
optical amplifier
bidirectional optical
flat gain
gain
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
AU97828/98A
Inventor
Gennady I. Farber
Sami T. Hendow
Salim N Jabr
Edward A. Vetter
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.)
Ditech Networks Inc
Original Assignee
Ditech Networks Inc
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
Priority claimed from US08/896,930 external-priority patent/US5887091A/en
Application filed by Ditech Networks Inc filed Critical Ditech Networks Inc
Publication of AU9782898A publication Critical patent/AU9782898A/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
    • 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
    • H04B10/297—Bidirectional amplification
    • H04B10/2972—Each direction being amplified separately
    • 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
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
AU97828/98A 1997-07-18 1998-10-02 Bidirectional optical amplifier having flat gain Abandoned AU9782898A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/896,930 US5887091A (en) 1997-07-18 1997-07-18 Bidirectional optical amplifier having flat gain
PCT/US1998/020762 WO2000020907A1 (en) 1997-07-18 1998-10-02 Bidirectional optical amplifier having flat gain

Publications (1)

Publication Number Publication Date
AU9782898A true AU9782898A (en) 2000-04-26

Family

ID=26794404

Family Applications (1)

Application Number Title Priority Date Filing Date
AU97828/98A Abandoned AU9782898A (en) 1997-07-18 1998-10-02 Bidirectional optical amplifier having flat gain

Country Status (2)

Country Link
AU (1) AU9782898A (en)
WO (1) WO2000020907A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295413B1 (en) * 2000-06-15 2006-04-19 Agilent Technologies, Inc. (a Delaware corporation) Reflectometer with non - reciprocal optical components
GB2379327A (en) * 2001-08-30 2003-03-05 Marconi Caswell Ltd Amplifier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5039199A (en) * 1989-12-29 1991-08-13 At&T Bell Laboratories Lightwave transmission system having remotely pumped quasi-distributed amplifying fibers
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier
US5579143A (en) * 1993-06-04 1996-11-26 Ciena Corporation Optical system with tunable in-fiber gratings
US5563733A (en) * 1994-08-25 1996-10-08 Matsushita Electric Industrial Co., Ltd. Optical fiber amplifier and optical fiber transmission system
US5633741A (en) * 1995-02-23 1997-05-27 Lucent Technologies Inc. Multichannel optical fiber communications
DE19518294C1 (en) * 1995-05-18 1996-10-02 Bosch Gmbh Robert Optical amplifier for bidirectional wavelength multiplex optical transmission system

Also Published As

Publication number Publication date
WO2000020907A1 (en) 2000-04-13

Similar Documents

Publication Publication Date Title
AU8174598A (en) Dynamic optical amplifier
AU6245198A (en) Optical waveguide amplifier
AU1670595A (en) Gain controlled optical fibre amplifier
AU3063299A (en) Optical amplifier having an improved noise figure
AU6383196A (en) Linear-in-decibel variable gain amplifier
AU3351197A (en) Differential amplifier
AU5994100A (en) Multi-pass optical amplifier
EP0750391A3 (en) Wide-band amplifier
AU4584997A (en) Hybrid optical amplifier having improved gain tilt
AU5525998A (en) Target-triggered amplification
GB2310095B (en) Optical amplifiers
GB2331420B (en) Optical amplifier
AU2965599A (en) Semi-conductor optical amplifier
AU1460800A (en) Sense amplifier
AU6495796A (en) Sense amplifier with offset autonulling
AU7062596A (en) Variable gain amplifying device
AU3738499A (en) Optical fibre amplifier having a controlled gain
AU2321300A (en) Fiber amplifier
AU6282198A (en) Gain controller
AU6010196A (en) Optical amplifier
AU1577600A (en) Semiconductor optical amplifier
AU1296695A (en) Bidirectional optical amplifier
AU8803598A (en) Gain control
GB2330941B (en) An optical amplifier
AU2233997A (en) Tuning amplifier

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase