GB0106790D0 - Tuneable laser - Google Patents

Tuneable laser

Info

Publication number
GB0106790D0
GB0106790D0 GB0106790A GB0106790A GB0106790D0 GB 0106790 D0 GB0106790 D0 GB 0106790D0 GB 0106790 A GB0106790 A GB 0106790A GB 0106790 A GB0106790 A GB 0106790A GB 0106790 D0 GB0106790 D0 GB 0106790D0
Authority
GB
United Kingdom
Prior art keywords
tuneable laser
tuneable
laser
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
GB0106790A
Other versions
GB2373631B (en
GB2373631A (en
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.)
Marconi Caswell Ltd
Original Assignee
Marconi Caswell Ltd
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 Marconi Caswell Ltd filed Critical Marconi Caswell Ltd
Priority to GB0106790A priority Critical patent/GB2373631B/en
Publication of GB0106790D0 publication Critical patent/GB0106790D0/en
Priority to AU2002251176A priority patent/AU2002251176A1/en
Priority to US10/472,624 priority patent/US7106778B2/en
Priority to PCT/GB2002/001329 priority patent/WO2002075867A2/en
Publication of GB2373631A publication Critical patent/GB2373631A/en
Application granted granted Critical
Publication of GB2373631B publication Critical patent/GB2373631B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S5/1212—Chirped grating
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
GB0106790A 2001-03-19 2001-03-19 Tuneable laser Expired - Fee Related GB2373631B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0106790A GB2373631B (en) 2001-03-19 2001-03-19 Tuneable laser
AU2002251176A AU2002251176A1 (en) 2001-03-19 2002-03-19 Tuneable laser
US10/472,624 US7106778B2 (en) 2001-03-19 2002-03-19 Tuneable laser
PCT/GB2002/001329 WO2002075867A2 (en) 2001-03-19 2002-03-19 Tuneable laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0106790A GB2373631B (en) 2001-03-19 2001-03-19 Tuneable laser

Publications (3)

Publication Number Publication Date
GB0106790D0 true GB0106790D0 (en) 2001-05-09
GB2373631A GB2373631A (en) 2002-09-25
GB2373631B GB2373631B (en) 2005-06-29

Family

ID=9911028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0106790A Expired - Fee Related GB2373631B (en) 2001-03-19 2001-03-19 Tuneable laser

Country Status (1)

Country Link
GB (1) GB2373631B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091916A (en) * 1990-09-28 1992-02-25 At&T Bell Laboratories Distributed reflector laser having improved side mode suppression
US5379318A (en) * 1994-01-31 1995-01-03 Telefonaktiebolaget L M Ericsson Alternating grating tunable DBR laser
KR0138860B1 (en) * 1994-12-09 1998-06-01 μ–‘μŠΉνƒ Semiconductor laser with super structure grating distributed bragg reflector
FR2737942B1 (en) * 1995-08-18 1997-11-07 Delorme Franck LASER EMISSION COMPONENT TUNABLE IN WAVELENGTH BY VARIATION OF ABSORPTION

Also Published As

Publication number Publication date
GB2373631B (en) 2005-06-29
GB2373631A (en) 2002-09-25

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20140612 AND 20140618

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160319