JPS5348493A - Semiconductor laser device and its production - Google Patents

Semiconductor laser device and its production

Info

Publication number
JPS5348493A
JPS5348493A JP12452977A JP12452977A JPS5348493A JP S5348493 A JPS5348493 A JP S5348493A JP 12452977 A JP12452977 A JP 12452977A JP 12452977 A JP12452977 A JP 12452977A JP S5348493 A JPS5348493 A JP S5348493A
Authority
JP
Japan
Prior art keywords
laser device
production
semiconductor laser
layers
singlemode
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
JP12452977A
Other languages
Japanese (ja)
Other versions
JPS5332238B2 (en
Inventor
Toshihisa Tsukada
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12452977A priority Critical patent/JPS5348493A/en
Publication of JPS5348493A publication Critical patent/JPS5348493A/en
Publication of JPS5332238B2 publication Critical patent/JPS5332238B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Weting (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Semiconductor Lasers (AREA)

Abstract

PURPOSE: To reduce oscillation threshold power and enable singlemode oscillations to be obtained by providing periodicity to double hetero structure in a laser device comprising bonding Ga1-yAlyAs(y>x) layers, with single or plural Ga1-xAlxAs layers being an active region in-between.
COPYRIGHT: (C)1978,JPO&Japio
JP12452977A 1977-10-19 1977-10-19 Semiconductor laser device and its production Granted JPS5348493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12452977A JPS5348493A (en) 1977-10-19 1977-10-19 Semiconductor laser device and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12452977A JPS5348493A (en) 1977-10-19 1977-10-19 Semiconductor laser device and its production

Publications (2)

Publication Number Publication Date
JPS5348493A true JPS5348493A (en) 1978-05-01
JPS5332238B2 JPS5332238B2 (en) 1978-09-07

Family

ID=14887723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12452977A Granted JPS5348493A (en) 1977-10-19 1977-10-19 Semiconductor laser device and its production

Country Status (1)

Country Link
JP (1) JPS5348493A (en)

Also Published As

Publication number Publication date
JPS5332238B2 (en) 1978-09-07

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