CA2137596A1 - Alternating grating tunable dbr laser - Google Patents

Alternating grating tunable dbr laser

Info

Publication number
CA2137596A1
CA2137596A1 CA002137596A CA2137596A CA2137596A1 CA 2137596 A1 CA2137596 A1 CA 2137596A1 CA 002137596 A CA002137596 A CA 002137596A CA 2137596 A CA2137596 A CA 2137596A CA 2137596 A1 CA2137596 A1 CA 2137596A1
Authority
CA
Canada
Prior art keywords
dbr laser
tunable dbr
grating tunable
alternating grating
alternating
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
CA002137596A
Other languages
French (fr)
Other versions
CA2137596C (en
Inventor
Jean-Pierre Weber
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CA2137596A1 publication Critical patent/CA2137596A1/en
Application granted granted Critical
Publication of CA2137596C publication Critical patent/CA2137596C/en
Anticipated expiration legal-status Critical
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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
    • H01S5/06255—Controlling the frequency of the radiation
    • H01S5/06256—Controlling the frequency of the radiation with DBR-structure
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/1206—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods
    • H01S5/1215—Multiplicity of periods

Abstract

A modified DBR laser having at least one extended tuning range is disclosed. A plurality of gratings are arranged on opposing sides of a gain section which can be selectively tuned to provide one or more continuous wavelength ranges of laser light.
CA002137596A 1994-01-31 1994-12-08 Alternating grating tunable dbr laser Expired - Lifetime CA2137596C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/188,770 US5379318A (en) 1994-01-31 1994-01-31 Alternating grating tunable DBR laser
US08/188,770 1994-01-31

Publications (2)

Publication Number Publication Date
CA2137596A1 true CA2137596A1 (en) 1995-08-01
CA2137596C CA2137596C (en) 2005-02-22

Family

ID=22694456

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002137596A Expired - Lifetime CA2137596C (en) 1994-01-31 1994-12-08 Alternating grating tunable dbr laser

Country Status (5)

Country Link
US (1) US5379318A (en)
EP (1) EP0665617B1 (en)
JP (1) JP3706164B2 (en)
CA (1) CA2137596C (en)
DE (1) DE69500401T2 (en)

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Also Published As

Publication number Publication date
JP3706164B2 (en) 2005-10-12
EP0665617B1 (en) 1997-07-09
EP0665617A1 (en) 1995-08-02
DE69500401T2 (en) 1997-10-23
JPH07263817A (en) 1995-10-13
DE69500401D1 (en) 1997-08-14
US5379318A (en) 1995-01-03
CA2137596C (en) 2005-02-22

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Effective date: 20141208