GB2378315B - Tuneable laser - Google Patents

Tuneable laser

Info

Publication number
GB2378315B
GB2378315B GB0118412A GB0118412A GB2378315B GB 2378315 B GB2378315 B GB 2378315B GB 0118412 A GB0118412 A GB 0118412A GB 0118412 A GB0118412 A GB 0118412A GB 2378315 B GB2378315 B GB 2378315B
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.)
Expired - Fee Related
Application number
GB0118412A
Other versions
GB0118412D0 (en
GB2378315A (en
Inventor
Andrew John Ward
Andrew Cannon Carter
Douglas John Charles Reid
David James Robbins
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
Marconi Optical Components Ltd
Lumentum Technology UK Ltd
Original Assignee
Marconi Caswell Ltd
Marconi Optical Components Ltd
Bookham Technology PLC
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, Marconi Optical Components Ltd, Bookham Technology PLC filed Critical Marconi Caswell Ltd
Priority to GB0118412A priority Critical patent/GB2378315B/en
Publication of GB0118412D0 publication Critical patent/GB0118412D0/en
Priority to EP02749077A priority patent/EP1413023B1/en
Priority to PCT/GB2002/003463 priority patent/WO2003012936A2/en
Priority to US10/485,427 priority patent/US7145923B2/en
Priority to CA002455855A priority patent/CA2455855A1/en
Priority to AU2002319490A priority patent/AU2002319490A1/en
Priority to CNB028191277A priority patent/CN1288810C/en
Priority to JP2003517998A priority patent/JP4458413B2/en
Priority to DE60222138T priority patent/DE60222138T2/en
Publication of GB2378315A publication Critical patent/GB2378315A/en
Application granted granted Critical
Publication of GB2378315B publication Critical patent/GB2378315B/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
    • H01S5/1209—Sampled 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
    • H01S5/1212—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
    • 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
    • H01S5/124—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 incorporating phase shifts
GB0118412A 2001-07-30 2001-07-30 Tuneable laser Expired - Fee Related GB2378315B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB0118412A GB2378315B (en) 2001-07-30 2001-07-30 Tuneable laser
CNB028191277A CN1288810C (en) 2001-07-30 2002-07-29 Tuneable laser
PCT/GB2002/003463 WO2003012936A2 (en) 2001-07-30 2002-07-29 Tuneable laser
US10/485,427 US7145923B2 (en) 2001-07-30 2002-07-29 Tuneable laser
CA002455855A CA2455855A1 (en) 2001-07-30 2002-07-29 Tuneable laser
AU2002319490A AU2002319490A1 (en) 2001-07-30 2002-07-29 Tuneable laser
EP02749077A EP1413023B1 (en) 2001-07-30 2002-07-29 Tuneable laser
JP2003517998A JP4458413B2 (en) 2001-07-30 2002-07-29 Tunable laser
DE60222138T DE60222138T2 (en) 2001-07-30 2002-07-29 TUNABLE LASER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0118412A GB2378315B (en) 2001-07-30 2001-07-30 Tuneable laser

Publications (3)

Publication Number Publication Date
GB0118412D0 GB0118412D0 (en) 2001-09-19
GB2378315A GB2378315A (en) 2003-02-05
GB2378315B true GB2378315B (en) 2005-10-19

Family

ID=9919349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0118412A Expired - Fee Related GB2378315B (en) 2001-07-30 2001-07-30 Tuneable laser

Country Status (1)

Country Link
GB (1) GB2378315B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2493989A (en) 2011-08-26 2013-02-27 Oclaro Technology Ltd Tunable multi-mode laser

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5379318A (en) * 1994-01-31 1995-01-03 Telefonaktiebolaget L M Ericsson Alternating grating tunable DBR laser
US5838714A (en) * 1995-08-18 1998-11-17 France Telecom Tunable wavelength laser emission components
CA2228683A1 (en) * 1998-02-20 1999-08-20 Ivan Avrutsky Superimposed grating wdm tunable lasers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5379318A (en) * 1994-01-31 1995-01-03 Telefonaktiebolaget L M Ericsson Alternating grating tunable DBR laser
US5838714A (en) * 1995-08-18 1998-11-17 France Telecom Tunable wavelength laser emission components
CA2228683A1 (en) * 1998-02-20 1999-08-20 Ivan Avrutsky Superimposed grating wdm tunable lasers

Also Published As

Publication number Publication date
GB0118412D0 (en) 2001-09-19
GB2378315A (en) 2003-02-05

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080730