GB2268323B - Semiconductor laser apparatus - Google Patents

Semiconductor laser apparatus

Info

Publication number
GB2268323B
GB2268323B GB9316180A GB9316180A GB2268323B GB 2268323 B GB2268323 B GB 2268323B GB 9316180 A GB9316180 A GB 9316180A GB 9316180 A GB9316180 A GB 9316180A GB 2268323 B GB2268323 B GB 2268323B
Authority
GB
United Kingdom
Prior art keywords
semiconductor laser
laser apparatus
semiconductor
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 - Lifetime
Application number
GB9316180A
Other versions
GB9316180D0 (en
GB2268323A (en
Inventor
Shigeru Ohshima
Mitsuko Nakamura
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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
Priority claimed from JP7651789A external-priority patent/JP2835068B2/en
Priority claimed from JP1180942A external-priority patent/JP2809727B2/en
Priority claimed from JP29772989A external-priority patent/JPH03159288A/en
Priority claimed from JP29968789A external-priority patent/JPH03160774A/en
Priority claimed from JP30091289A external-priority patent/JPH03161986A/en
Priority claimed from JP31419789A external-priority patent/JPH03175685A/en
Priority to GB9316180A priority Critical patent/GB2268323B/en
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of GB9316180D0 publication Critical patent/GB9316180D0/en
Publication of GB2268323A publication Critical patent/GB2268323A/en
Publication of GB2268323B publication Critical patent/GB2268323B/en
Application granted granted Critical
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
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687—Stabilising the frequency of the laser
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2817—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using reflective elements to split or combine optical signals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29358—Multiple beam interferometer external to a light guide, e.g. Fabry-Pérot, etalon, VIPA plate, OTDL plate, continuous interferometer, parallel plate resonator
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Semiconductor Lasers (AREA)
GB9316180A 1989-03-30 1993-08-04 Semiconductor laser apparatus Expired - Lifetime GB2268323B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9316180A GB2268323B (en) 1989-03-30 1993-08-04 Semiconductor laser apparatus

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP7651789A JP2835068B2 (en) 1989-03-30 1989-03-30 Semiconductor laser module
JP13185789 1989-05-25
JP1180942A JP2809727B2 (en) 1989-07-13 1989-07-13 Fabry-Perot resonator
JP29772989A JPH03159288A (en) 1989-11-17 1989-11-17 Semiconductor laser device
JP29968789A JPH03160774A (en) 1989-11-20 1989-11-20 Semiconductor laser module
JP30091289A JPH03161986A (en) 1989-11-21 1989-11-21 Semiconductor laser module
JP31419789A JPH03175685A (en) 1989-12-05 1989-12-05 Semiconductor laser device
GB9316180A GB2268323B (en) 1989-03-30 1993-08-04 Semiconductor laser apparatus

Publications (3)

Publication Number Publication Date
GB9316180D0 GB9316180D0 (en) 1993-09-22
GB2268323A GB2268323A (en) 1994-01-05
GB2268323B true GB2268323B (en) 1994-03-23

Family

ID=27571312

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9316180A Expired - Lifetime GB2268323B (en) 1989-03-30 1993-08-04 Semiconductor laser apparatus

Country Status (1)

Country Link
GB (1) GB2268323B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60032218T2 (en) * 2000-04-25 2007-10-04 Avanex Corp., Fremont Wavelength stabilization device and its working wavelength adjustment method
JP2002252413A (en) * 2001-02-26 2002-09-06 Hitachi Ltd Semiconductor laser module and optical system using the same
JP4087121B2 (en) * 2001-08-22 2008-05-21 古河電気工業株式会社 Wavelength monitor and laser module incorporating it
CA2405651A1 (en) 2001-09-28 2003-03-28 The Furukawa Electric Co., Ltd Optical filter, laser module, and wavelength locker module

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023944A (en) * 1989-09-05 1991-06-11 General Dynamics Corp./Electronics Division Optical resonator structures
JPH08223387A (en) * 1995-02-15 1996-08-30 Sony Corp Data terminal connection device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023944A (en) * 1989-09-05 1991-06-11 General Dynamics Corp./Electronics Division Optical resonator structures
JPH08223387A (en) * 1995-02-15 1996-08-30 Sony Corp Data terminal connection device

Also Published As

Publication number Publication date
GB9316180D0 (en) 1993-09-22
GB2268323A (en) 1994-01-05

Similar Documents

Publication Publication Date Title
GB2231713B (en) Semiconductor laser apparatus
GB2224833B (en) Laser apparatus
EP0333418A3 (en) Semiconductor laser device
EP0366472A3 (en) Semiconductor laser apparatus
EP0358227A3 (en) Semiconductor laser device
EP0413567A3 (en) Semiconductor lasers
IL78936A (en) Laser apparatus
EP0416477A3 (en) Semiconductor laser
EP0243170A3 (en) Semiconductor laser apparatus
EP0416195A3 (en) Semiconductor laser device
EP0456429A3 (en) Semiconductor laser device
SG26295G (en) Semiconductor laser apparatus
EP0480562A3 (en) Semiconductor laser device
EP0431619A3 (en) Laser device
GB2233814B (en) Laser apparatus
EP0316909A3 (en) Semiconductor optical apparatus
EP0426102A3 (en) Laser device
GB8809835D0 (en) Semiconductor laser apparatus
GB2268323B (en) Semiconductor laser apparatus
GB2189074B (en) Laser apparatus
GB8717647D0 (en) Laser apparatus
GB8621078D0 (en) Laser apparatus
GB2276031B (en) Solid laser device
EP0285026A3 (en) Semiconductor laser device
KR960004101B1 (en) Semiconductor laser device

Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19981008

PE20 Patent expired after termination of 20 years

Expiry date: 20100327