JPS52127086A - Uni-directional dfb laser - Google Patents

Uni-directional dfb laser

Info

Publication number
JPS52127086A
JPS52127086A JP4307476A JP4307476A JPS52127086A JP S52127086 A JPS52127086 A JP S52127086A JP 4307476 A JP4307476 A JP 4307476A JP 4307476 A JP4307476 A JP 4307476A JP S52127086 A JPS52127086 A JP S52127086A
Authority
JP
Japan
Prior art keywords
uni
directional
dfb laser
emission output
unidirectionality
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
JP4307476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5346711B2 (show.php
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.)
NTT Inc
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 JP4307476A priority Critical patent/JPS52127086A/ja
Publication of JPS52127086A publication Critical patent/JPS52127086A/ja
Publication of JPS5346711B2 publication Critical patent/JPS5346711B2/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
    • 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
    • H01S5/1053—Comprising an active region having a varying composition or cross-section in a specific direction
    • H01S5/106—Comprising an active region having a varying composition or cross-section in a specific direction varying thickness along the optical axis

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
JP4307476A 1976-04-17 1976-04-17 Uni-directional dfb laser Granted JPS52127086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4307476A JPS52127086A (en) 1976-04-17 1976-04-17 Uni-directional dfb laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4307476A JPS52127086A (en) 1976-04-17 1976-04-17 Uni-directional dfb laser

Publications (2)

Publication Number Publication Date
JPS52127086A true JPS52127086A (en) 1977-10-25
JPS5346711B2 JPS5346711B2 (show.php) 1978-12-15

Family

ID=12653690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4307476A Granted JPS52127086A (en) 1976-04-17 1976-04-17 Uni-directional dfb laser

Country Status (1)

Country Link
JP (1) JPS52127086A (show.php)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62245690A (ja) * 1986-04-18 1987-10-26 Nippon Telegr & Teleph Corp <Ntt> 半導体レ−ザ装置
JPH01115188A (ja) * 1987-10-28 1989-05-08 Fuji Photo Film Co Ltd 光半導体デバイス

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59125562U (ja) * 1983-02-07 1984-08-23 新キャタピラ−三菱株式会社 バツクホ−のバケツト装置
JPS60165547U (ja) * 1984-04-12 1985-11-02 油谷重工株式会社 バケツト

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62245690A (ja) * 1986-04-18 1987-10-26 Nippon Telegr & Teleph Corp <Ntt> 半導体レ−ザ装置
JPH01115188A (ja) * 1987-10-28 1989-05-08 Fuji Photo Film Co Ltd 光半導体デバイス

Also Published As

Publication number Publication date
JPS5346711B2 (show.php) 1978-12-15

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