JPS52130584A - Distribution feedback type laser - Google Patents

Distribution feedback type laser

Info

Publication number
JPS52130584A
JPS52130584A JP4824376A JP4824376A JPS52130584A JP S52130584 A JPS52130584 A JP S52130584A JP 4824376 A JP4824376 A JP 4824376A JP 4824376 A JP4824376 A JP 4824376A JP S52130584 A JPS52130584 A JP S52130584A
Authority
JP
Japan
Prior art keywords
feedback type
type laser
distribution feedback
laser
distribution
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
JP4824376A
Other languages
Japanese (ja)
Other versions
JPS5346712B2 (en
Inventor
Tadahisa Oota
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP4824376A priority Critical patent/JPS52130584A/en
Publication of JPS52130584A publication Critical patent/JPS52130584A/en
Publication of JPS5346712B2 publication Critical patent/JPS5346712B2/ja
Granted legal-status Critical Current

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  • Semiconductor Lasers (AREA)

Abstract

PURPOSE: To obtain plural laser with one distribution feedback type laser by varying the thickness of the active layer in the direction intersecting perpendicularly to laser axis subsequently by every given length.
COPYRIGHT: (C)1977,JPO&Japio
JP4824376A 1976-04-27 1976-04-27 Distribution feedback type laser Granted JPS52130584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4824376A JPS52130584A (en) 1976-04-27 1976-04-27 Distribution feedback type laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4824376A JPS52130584A (en) 1976-04-27 1976-04-27 Distribution feedback type laser

Publications (2)

Publication Number Publication Date
JPS52130584A true JPS52130584A (en) 1977-11-01
JPS5346712B2 JPS5346712B2 (en) 1978-12-15

Family

ID=12797988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4824376A Granted JPS52130584A (en) 1976-04-27 1976-04-27 Distribution feedback type laser

Country Status (1)

Country Link
JP (1) JPS52130584A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59203129A (en) * 1983-04-28 1984-11-17 Hikoma Seisakusho Kk Grader with multi-purpose function
JPS6149471U (en) * 1984-09-03 1986-04-03
JPS63112508U (en) * 1987-01-14 1988-07-20
JPS63179075U (en) * 1987-05-08 1988-11-18

Also Published As

Publication number Publication date
JPS5346712B2 (en) 1978-12-15

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