GB1539028A - Optical systems - Google Patents

Optical systems

Info

Publication number
GB1539028A
GB1539028A GB51961/75A GB5196175A GB1539028A GB 1539028 A GB1539028 A GB 1539028A GB 51961/75 A GB51961/75 A GB 51961/75A GB 5196175 A GB5196175 A GB 5196175A GB 1539028 A GB1539028 A GB 1539028A
Authority
GB
United Kingdom
Prior art keywords
optical systems
optical
systems
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
Application number
GB51961/75A
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.)
Tokyo Institute of Technology NUC
Original Assignee
Tokyo Institute of Technology NUC
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 Tokyo Institute of Technology NUC filed Critical Tokyo Institute of Technology NUC
Priority to GB51961/75A priority Critical patent/GB1539028A/en
Publication of GB1539028A publication Critical patent/GB1539028A/en
Expired 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
    • H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
    • 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
    • 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
    • H01S5/1021—Coupled cavities
    • 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
    • H01S5/1028—Coupling to elements in the cavity, e.g. coupling to waveguides adjacent the active region, e.g. forward coupled [DFC] structures
    • H01S5/1032—Coupling to elements comprising an optical axis that is not aligned with the optical axis of the active region
    • 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
    • H01S5/125—Distributed Bragg reflector [DBR] 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
    • H01S5/10—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
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/185—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL]
    • H01S5/187—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] using Bragg reflection
    • 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
    • H01S5/0265—Intensity modulators

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
GB51961/75A 1975-12-18 1975-12-18 Optical systems Expired GB1539028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB51961/75A GB1539028A (en) 1975-12-18 1975-12-18 Optical systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51961/75A GB1539028A (en) 1975-12-18 1975-12-18 Optical systems

Publications (1)

Publication Number Publication Date
GB1539028A true GB1539028A (en) 1979-01-24

Family

ID=10462117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51961/75A Expired GB1539028A (en) 1975-12-18 1975-12-18 Optical systems

Country Status (1)

Country Link
GB (1) GB1539028A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461007A (en) * 1982-01-08 1984-07-17 Xerox Corporation Injection lasers with short active regions
GB2138999A (en) * 1983-04-26 1984-10-31 British Telecomm Semiconductor lasers
FR2562328A1 (en) * 1984-03-30 1985-10-04 Menigaux Louis METHOD FOR MANUFACTURING A MONOLITHIC INTEGRATED OPTICAL DEVICE COMPRISING A SEMICONDUCTOR LASER AND DEVICE OBTAINED THEREBY
EP0178497A2 (en) * 1984-10-03 1986-04-23 Siemens Aktiengesellschaft Method for producing in an integrated form a DFB laser coupled with a strip waveguide on a substrate
EP0342953A2 (en) * 1988-05-17 1989-11-23 Kokusai Denshin Denwa Kabushiki Kaisha Semiconductor optical amplifying element
EP0378447A1 (en) * 1989-01-13 1990-07-18 BRITISH TELECOMMUNICATIONS public limited company Semiconductor laser amplifiers
EP0828325A1 (en) * 1996-09-06 1998-03-11 Alcatel Optical semiconductor amplifier
WO2001017076A2 (en) * 1999-09-02 2001-03-08 Agility Communications, Inc. Tunable laser source with integrated optical amplifier
US20180183212A1 (en) * 2016-12-23 2018-06-28 Imec Vzw Laser Devices

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461007A (en) * 1982-01-08 1984-07-17 Xerox Corporation Injection lasers with short active regions
GB2138999A (en) * 1983-04-26 1984-10-31 British Telecomm Semiconductor lasers
FR2562328A1 (en) * 1984-03-30 1985-10-04 Menigaux Louis METHOD FOR MANUFACTURING A MONOLITHIC INTEGRATED OPTICAL DEVICE COMPRISING A SEMICONDUCTOR LASER AND DEVICE OBTAINED THEREBY
WO1985004491A1 (en) * 1984-03-30 1985-10-10 Louis Menigaux Process for fabricating a monolithic integrated optical device comprising a semiconductor laser and device obtained by said process
EP0159258A1 (en) * 1984-03-30 1985-10-23 Louis Menigaux Method for producing a monolithically integrated optical device, including a semiconductor laser, and a device obtained thereby
US4720468A (en) * 1984-03-30 1988-01-19 Louis Menigaux Process for the production of a monolithic integrated optical device incorporating a semiconductor laser and device obtained by this process
EP0178497A2 (en) * 1984-10-03 1986-04-23 Siemens Aktiengesellschaft Method for producing in an integrated form a DFB laser coupled with a strip waveguide on a substrate
EP0178497A3 (en) * 1984-10-03 1987-08-26 Siemens Aktiengesellschaft Berlin Und Munchen Method for producing in an integrated form a dfb laser coupled with a strip waveguide on a substrate
EP0342953A2 (en) * 1988-05-17 1989-11-23 Kokusai Denshin Denwa Kabushiki Kaisha Semiconductor optical amplifying element
EP0342953A3 (en) * 1988-05-17 1990-04-25 Kokusai Denshin Denwa Kabushiki Kaisha Semiconductor optical amplifying element
EP0378447A1 (en) * 1989-01-13 1990-07-18 BRITISH TELECOMMUNICATIONS public limited company Semiconductor laser amplifiers
WO1990008411A1 (en) * 1989-01-13 1990-07-26 British Telecommunications Public Limited Company Semiconductor laser amplifiers
AU639681B2 (en) * 1989-01-13 1993-08-05 Bt&D Technologies Limited Semiconductor laser amplifier
US5291328A (en) * 1989-01-13 1994-03-01 British Telecommunications Semiconductor laser amplifiers
EP0828325A1 (en) * 1996-09-06 1998-03-11 Alcatel Optical semiconductor amplifier
FR2753285A1 (en) * 1996-09-06 1998-03-13 Alsthom Cge Alcatel SEMICONDUCTOR OPTICAL AMPLIFIER
US6040938A (en) * 1996-09-06 2000-03-21 Alcatel Semiconductor optical amplifier
WO2001017076A2 (en) * 1999-09-02 2001-03-08 Agility Communications, Inc. Tunable laser source with integrated optical amplifier
WO2001017076A3 (en) * 1999-09-02 2001-10-25 Agility Communications Inc Tunable laser source with integrated optical amplifier
US20180183212A1 (en) * 2016-12-23 2018-06-28 Imec Vzw Laser Devices
US10763643B2 (en) * 2016-12-23 2020-09-01 Imec Vzw Laser devices

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Legal Events

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

Effective date: 19931218