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JPS52144991A - Production of distribution feedback type semiconductor laser - Google Patents

Production of distribution feedback type semiconductor laser

Info

Publication number
JPS52144991A
JPS52144991A JP6122976A JP6122976A JPS52144991A JP S52144991 A JPS52144991 A JP S52144991A JP 6122976 A JP6122976 A JP 6122976A JP 6122976 A JP6122976 A JP 6122976A JP S52144991 A JPS52144991 A JP S52144991A
Authority
JP
Japan
Prior art keywords
production
semiconductor laser
type semiconductor
feedback type
distribution feedback
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
JP6122976A
Other languages
Japanese (ja)
Other versions
JPS5412397B2 (en
Inventor
Motoyuki Yamamoto
Yutaka Uematsu
Yoichi Unno
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP6122976A priority Critical patent/JPS52144991A/en
Publication of JPS52144991A publication Critical patent/JPS52144991A/en
Publication of JPS5412397B2 publication Critical patent/JPS5412397B2/ja
Granted 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
    • H01S5/10—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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Semiconductor Lasers (AREA)

Abstract

PURPOSE:A process for production of DFB semiconductor laser devices which cause less light absorption at optical guides, have low threshold value of laser oscillation and make possible laser oscillation at wavelengths shorter than before is obtained.
JP6122976A 1976-05-28 1976-05-28 Production of distribution feedback type semiconductor laser Granted JPS52144991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6122976A JPS52144991A (en) 1976-05-28 1976-05-28 Production of distribution feedback type semiconductor laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6122976A JPS52144991A (en) 1976-05-28 1976-05-28 Production of distribution feedback type semiconductor laser

Publications (2)

Publication Number Publication Date
JPS52144991A true JPS52144991A (en) 1977-12-02
JPS5412397B2 JPS5412397B2 (en) 1979-05-22

Family

ID=13165168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6122976A Granted JPS52144991A (en) 1976-05-28 1976-05-28 Production of distribution feedback type semiconductor laser

Country Status (1)

Country Link
JP (1) JPS52144991A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526093A (en) * 1975-07-04 1977-01-18 Hitachi Ltd Production method of semiconductor device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526093A (en) * 1975-07-04 1977-01-18 Hitachi Ltd Production method of semiconductor device

Also Published As

Publication number Publication date
JPS5412397B2 (en) 1979-05-22

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