GB1461869A - Semiconductor laser device - Google Patents

Semiconductor laser device

Info

Publication number
GB1461869A
GB1461869A GB4194774A GB4194774A GB1461869A GB 1461869 A GB1461869 A GB 1461869A GB 4194774 A GB4194774 A GB 4194774A GB 4194774 A GB4194774 A GB 4194774A GB 1461869 A GB1461869 A GB 1461869A
Authority
GB
United Kingdom
Prior art keywords
layer
type
layers
laser
photoresist
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
GB4194774A
Other languages
English (en)
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
Publication of GB1461869A publication Critical patent/GB1461869A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/10Construction 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
    • H01S5/12Construction 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)
  • Weting (AREA)
GB4194774A 1973-10-05 1974-09-26 Semiconductor laser device Expired GB1461869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11145473A JPS5329479B2 (enrdf_load_stackoverflow) 1973-10-05 1973-10-05

Publications (1)

Publication Number Publication Date
GB1461869A true GB1461869A (en) 1977-01-19

Family

ID=14561620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4194774A Expired GB1461869A (en) 1973-10-05 1974-09-26 Semiconductor laser device

Country Status (4)

Country Link
JP (1) JPS5329479B2 (enrdf_load_stackoverflow)
DE (1) DE2447536C2 (enrdf_load_stackoverflow)
GB (1) GB1461869A (enrdf_load_stackoverflow)
NL (1) NL163911C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852116A (en) * 1986-07-10 1989-07-25 Sharp Kabushiki Kaisha Semiconductor laser device

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51146196A (en) * 1975-06-11 1976-12-15 Hitachi Ltd Diode laser
US4045749A (en) * 1975-11-24 1977-08-30 Xerox Corporation Corrugation coupled twin guide laser
JPS58197788A (ja) * 1982-05-13 1983-11-17 Nippon Telegr & Teleph Corp <Ntt> 分布帰還形半導体レ−ザ装置の製造方法
JPS60145685A (ja) * 1984-01-09 1985-08-01 Nec Corp 分布帰還型半導体レ−ザ
JPS59155983A (ja) * 1983-02-24 1984-09-05 Sharp Corp 半導体レ−ザ素子の製造方法
JPS6017976A (ja) * 1983-07-11 1985-01-29 Fujitsu Ltd 半導体発光装置の製造方法
JPS6037793A (ja) * 1983-08-10 1985-02-27 Nec Corp 単一軸モ−ド半導体レ−ザ
JPS61113293A (ja) * 1984-11-07 1986-05-31 Sharp Corp 半導体レ−ザアレイ装置
JPS61222189A (ja) * 1985-03-15 1986-10-02 Sharp Corp 半導体レ−ザ
DE3809609A1 (de) * 1988-03-22 1989-10-05 Siemens Ag Laserdiode zur erzeugung streng monochromatischer laserstrahlung
DE3934865A1 (de) * 1989-10-19 1991-04-25 Siemens Ag Hochfrequent modulierbarer halbleiterlaser

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691476A (en) * 1970-12-31 1972-09-12 Bell Telephone Labor Inc Double heterostructure laser diodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852116A (en) * 1986-07-10 1989-07-25 Sharp Kabushiki Kaisha Semiconductor laser device

Also Published As

Publication number Publication date
DE2447536C2 (de) 1983-09-15
JPS5329479B2 (enrdf_load_stackoverflow) 1978-08-21
JPS5062783A (enrdf_load_stackoverflow) 1975-05-28
DE2447536A1 (de) 1975-04-17
NL7413156A (nl) 1975-04-08
NL163911C (nl) 1980-10-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]

Free format text: IN PAT. BUL. 4607; FOR 1461869 READ 1461859

PE20 Patent expired after termination of 20 years

Effective date: 19940925