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JPS5555594A - Semiconductor light amplifier - Google Patents

Semiconductor light amplifier

Info

Publication number
JPS5555594A
JPS5555594A JP12780678A JP12780678A JPS5555594A JP S5555594 A JPS5555594 A JP S5555594A JP 12780678 A JP12780678 A JP 12780678A JP 12780678 A JP12780678 A JP 12780678A JP S5555594 A JPS5555594 A JP S5555594A
Authority
JP
Japan
Prior art keywords
light
end surfaces
waveguide path
al2o3
evaporated
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.)
Pending
Application number
JP12780678A
Other languages
English (en)
Japanese (ja)
Inventor
Yukio Nakagome
Kitsutaro Amano
Takaya Yamamoto
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP12780678A priority Critical patent/JPS5555594A/ja
Priority to DE19792942204 priority patent/DE2942204A1/de
Priority to FR7925893A priority patent/FR2439481A1/fr
Priority to GB7936432A priority patent/GB2033648A/en
Publication of JPS5555594A publication Critical patent/JPS5555594A/ja
Pending 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
    • H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
    • 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
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
    • H01S5/0286—Coatings with a reflectivity that is not constant over the facets, e.g. apertures
    • 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
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
    • H01S5/0281—Coatings made of semiconductor materials
    • 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
    • H01S5/1003—Waveguide having a modified shape along the axis, e.g. branched, curved, tapered, voids
    • H01S5/1007—Branched waveguides
    • 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
    • H01S5/1082—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 with a special facet structure, e.g. structured, non planar, oblique
    • H01S5/1085—Oblique facets

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Communication System (AREA)
JP12780678A 1978-10-19 1978-10-19 Semiconductor light amplifier Pending JPS5555594A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12780678A JPS5555594A (en) 1978-10-19 1978-10-19 Semiconductor light amplifier
DE19792942204 DE2942204A1 (de) 1978-10-19 1979-10-18 Halbleiter-lichtverstaerker
FR7925893A FR2439481A1 (fr) 1978-10-19 1979-10-18 Amplificateur de lumiere a semi-conducteur
GB7936432A GB2033648A (en) 1978-10-19 1979-10-19 Semi-conductor light amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12780678A JPS5555594A (en) 1978-10-19 1978-10-19 Semiconductor light amplifier

Publications (1)

Publication Number Publication Date
JPS5555594A true JPS5555594A (en) 1980-04-23

Family

ID=14969130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12780678A Pending JPS5555594A (en) 1978-10-19 1978-10-19 Semiconductor light amplifier

Country Status (4)

Country Link
JP (1) JPS5555594A (fr)
DE (1) DE2942204A1 (fr)
FR (1) FR2439481A1 (fr)
GB (1) GB2033648A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01109789A (ja) * 1987-10-22 1989-04-26 Mitsubishi Electric Corp 光増幅器
JPH0659163A (ja) * 1992-01-31 1994-03-04 Matsushita Electric Ind Co Ltd 光学装置
JP2010003833A (ja) * 2008-06-19 2010-01-07 Seiko Epson Corp 発光装置
JP2010016172A (ja) * 2008-07-03 2010-01-21 Seiko Epson Corp 発光装置
JP2011071390A (ja) * 2009-09-28 2011-04-07 Seiko Epson Corp 発光素子、発光装置、およびプロジェクター

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604293A1 (de) * 1986-02-12 1987-08-13 Telefunken Electronic Gmbh Heterostruktur-halbleiterlaserdiode
GB8611241D0 (en) * 1986-05-08 1986-06-18 British Telecomm Optical amplifiers
US4870654A (en) * 1987-05-22 1989-09-26 California Laboratories, Inc. Generation of multiply folded optical paths
US4815094A (en) * 1987-05-22 1989-03-21 California Laboratories, Inc. Multiply folded laser systems
JP2539089B2 (ja) * 1990-09-28 1996-10-02 株式会社東芝 半導体レ―ザ増幅器および半導体レ―ザ増幅装置
JP2010093078A (ja) * 2008-10-08 2010-04-22 Hamamatsu Photonics Kk 光学素子、レーザ光発振装置及びレーザ光増幅装置
CN102916327A (zh) * 2012-10-25 2013-02-06 北京理工大学 一种全反射式板条激光放大器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789175A (fr) * 1971-09-24 1973-01-15 Siemens Ag Amplificateur intermediaire pour un systeme de transmission d'informations
US3760297A (en) * 1972-01-20 1973-09-18 Int Standard Electric Corp Laser to optical fiber coupling

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01109789A (ja) * 1987-10-22 1989-04-26 Mitsubishi Electric Corp 光増幅器
JPH0659163A (ja) * 1992-01-31 1994-03-04 Matsushita Electric Ind Co Ltd 光学装置
JP2010003833A (ja) * 2008-06-19 2010-01-07 Seiko Epson Corp 発光装置
JP2010016172A (ja) * 2008-07-03 2010-01-21 Seiko Epson Corp 発光装置
JP2011071390A (ja) * 2009-09-28 2011-04-07 Seiko Epson Corp 発光素子、発光装置、およびプロジェクター

Also Published As

Publication number Publication date
FR2439481A1 (fr) 1980-05-16
FR2439481B1 (fr) 1983-11-25
DE2942204A1 (de) 1980-04-24
GB2033648A (en) 1980-05-21

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