GB2197122B - Injection laser and monitor photosensor combination - Google Patents

Injection laser and monitor photosensor combination

Info

Publication number
GB2197122B
GB2197122B GB8626222A GB8626222A GB2197122B GB 2197122 B GB2197122 B GB 2197122B GB 8626222 A GB8626222 A GB 8626222A GB 8626222 A GB8626222 A GB 8626222A GB 2197122 B GB2197122 B GB 2197122B
Authority
GB
United Kingdom
Prior art keywords
injection laser
monitor photosensor
combination
photosensor combination
monitor
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
GB8626222A
Other versions
GB8626222D0 (en
GB2197122A (en
Inventor
Richard Gordon Samuel Plumb
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.)
STC PLC
Original Assignee
STC 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 STC PLC filed Critical STC PLC
Priority to GB8626222A priority Critical patent/GB2197122B/en
Publication of GB8626222D0 publication Critical patent/GB8626222D0/en
Publication of GB2197122A publication Critical patent/GB2197122A/en
Application granted granted Critical
Publication of GB2197122B publication Critical patent/GB2197122B/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
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • H01S5/0262—Photo-diodes, e.g. transceiver devices, bidirectional devices
    • H01S5/0264—Photo-diodes, e.g. transceiver devices, bidirectional devices for monitoring the laser-output
    • 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
    • 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
    • H01S5/02—Structural details or components not essential to laser action
    • 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
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
GB8626222A 1986-11-03 1986-11-03 Injection laser and monitor photosensor combination Expired - Fee Related GB2197122B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8626222A GB2197122B (en) 1986-11-03 1986-11-03 Injection laser and monitor photosensor combination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8626222A GB2197122B (en) 1986-11-03 1986-11-03 Injection laser and monitor photosensor combination

Publications (3)

Publication Number Publication Date
GB8626222D0 GB8626222D0 (en) 1986-12-03
GB2197122A GB2197122A (en) 1988-05-11
GB2197122B true GB2197122B (en) 1990-01-24

Family

ID=10606718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8626222A Expired - Fee Related GB2197122B (en) 1986-11-03 1986-11-03 Injection laser and monitor photosensor combination

Country Status (1)

Country Link
GB (1) GB2197122B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4872176A (en) * 1988-04-25 1989-10-03 General Electric Company Device and method for monitoring a light-emitting device
US5029297A (en) * 1989-10-13 1991-07-02 At&T Bell Laboratories Optical amplifier-photodetector device
US5136603A (en) * 1991-04-29 1992-08-04 At&T Bell Laboratories Self-monitoring semiconductor laser device
JPH0667046A (en) * 1992-08-21 1994-03-11 Sharp Corp Optical integrated circuit
JP4094237B2 (en) 2001-02-14 2008-06-04 日本電気株式会社 Optical semiconductor module

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120457A (en) * 1982-04-27 1983-11-30 Kokusai Denshin Denwa Co Ltd Distributed feedback semiconductor laser intergrated with monitor
GB2184888A (en) * 1985-12-25 1987-07-01 Kokusai Denshin Denwa Co Ltd Distributed feedback semiconductor laser with monitor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120457A (en) * 1982-04-27 1983-11-30 Kokusai Denshin Denwa Co Ltd Distributed feedback semiconductor laser intergrated with monitor
GB2184888A (en) * 1985-12-25 1987-07-01 Kokusai Denshin Denwa Co Ltd Distributed feedback semiconductor laser with monitor

Also Published As

Publication number Publication date
GB8626222D0 (en) 1986-12-03
GB2197122A (en) 1988-05-11

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Legal Events

Date Code Title Description
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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941103