JPH0446477B2 - - Google Patents

Info

Publication number
JPH0446477B2
JPH0446477B2 JP60285958A JP28595885A JPH0446477B2 JP H0446477 B2 JPH0446477 B2 JP H0446477B2 JP 60285958 A JP60285958 A JP 60285958A JP 28595885 A JP28595885 A JP 28595885A JP H0446477 B2 JPH0446477 B2 JP H0446477B2
Authority
JP
Japan
Prior art keywords
layer
type
active layer
guide layer
diffraction grating
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
JP60285958A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62144379A (ja
Inventor
Shinji Kaneiwa
Hiroaki Kudo
Kaneki Matsui
Haruhisa Takiguchi
Tomohiko Yoshida
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP60285958A priority Critical patent/JPS62144379A/ja
Publication of JPS62144379A publication Critical patent/JPS62144379A/ja
Publication of JPH0446477B2 publication Critical patent/JPH0446477B2/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)
  • Semiconductor Lasers (AREA)
JP60285958A 1985-12-18 1985-12-18 半導体レ−ザ素子 Granted JPS62144379A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60285958A JPS62144379A (ja) 1985-12-18 1985-12-18 半導体レ−ザ素子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60285958A JPS62144379A (ja) 1985-12-18 1985-12-18 半導体レ−ザ素子

Publications (2)

Publication Number Publication Date
JPS62144379A JPS62144379A (ja) 1987-06-27
JPH0446477B2 true JPH0446477B2 (enrdf_load_stackoverflow) 1992-07-30

Family

ID=17698156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60285958A Granted JPS62144379A (ja) 1985-12-18 1985-12-18 半導体レ−ザ素子

Country Status (1)

Country Link
JP (1) JPS62144379A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2703784B2 (ja) * 1988-11-08 1998-01-26 シャープ株式会社 半導体レーザ素子
US6195381B1 (en) * 1998-04-27 2001-02-27 Wisconsin Alumni Research Foundation Narrow spectral width high-power distributed feedback semiconductor lasers

Also Published As

Publication number Publication date
JPS62144379A (ja) 1987-06-27

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees