KR100731448B1 - 반도체 레이저소자 - Google Patents
반도체 레이저소자 Download PDFInfo
- Publication number
- KR100731448B1 KR100731448B1 KR1020010039792A KR20010039792A KR100731448B1 KR 100731448 B1 KR100731448 B1 KR 100731448B1 KR 1020010039792 A KR1020010039792 A KR 1020010039792A KR 20010039792 A KR20010039792 A KR 20010039792A KR 100731448 B1 KR100731448 B1 KR 100731448B1
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- South Korea
- Prior art keywords
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- injection
- cladding layer
- semiconductor laser
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- 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
- H01S5/30—Structure or shape of the active region; Materials used for 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
- H01S5/16—Window-type lasers, i.e. with a region of non-absorbing material between the active region and the reflecting surface
-
- 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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
-
- 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
- H01S5/1039—Details on the cavity length
Abstract
Description
Claims (4)
- 삭제
- 화합물 반도체기판 위에 차례로 적층된 하부 클래드층, 활성층 및 상부 제1클래드층과,상기 상부 제1클래드층 위에 형성된 리지형상의 상부 제2클래드층과,상기 상부 제2클래드층의 측방에 형성된 광 봉쇄층과,상기 상부 제2클래드층 위에 형성된 콘택트층을 포함하며,상기 리지형상의 상부 제2클래드층의 길이방향에 관한 소자의 양 단면인 레이저 출사단면 및 반사단면의 양쪽의 근방에, 상기 콘택트층이 존재하지 않는 비주입영역이 형성되어 있으며,상기 상부 제2클래드층의 길이방향에 따른 상기 비주입영역의 길이인 비주입 거리가, 상기 반사단면측보다 상기 레이저 출사단면측의 쪽이 길게 되어있는 것을 특징으로 하는 반도체 레이저소자.
- 제2항에 있어서,상기 레이저 출사단면측의 비주입거리가, 상기 반사단면측의 비주입거리의 2배 이상인 것을 특징으로 하는 반도체 레이저소자.
- 제2항 또는 제3항에 있어서,상기 화합물반도체기판이, GaAs화합물 반도체기판이고,상기 하부 클래드층이, Alx1Ga(1-x1)As층이며,상기 활성층이, Aly1Ga(1-y1)As의 단층, Aly11Ga(1-y11)As와 Aly12Ga(1-y12)As의 복합층, 또는 Aly1Ga(1-y1)As와 GaAs의 복합층이고,상기 상부 제1클래드층이 Alx2Ga(1-x2)As층이며,상기 리지형상의 상부 제2클래드층이 Alx3Ga(1-x3)As층이고,상기 광 봉쇄층이 Aly2Ga(1-y2)As층이며,상기 콘택트층이 GaAs층인 것을 특징으로 하는 반도체 레이저소자.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000204054A JP2002026448A (ja) | 2000-07-05 | 2000-07-05 | 半導体レーザ素子 |
JPJP-P-2000-00204054 | 2000-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020003520A KR20020003520A (ko) | 2002-01-12 |
KR100731448B1 true KR100731448B1 (ko) | 2007-06-21 |
Family
ID=18701380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010039792A KR100731448B1 (ko) | 2000-07-05 | 2001-07-04 | 반도체 레이저소자 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6628688B2 (ko) |
JP (1) | JP2002026448A (ko) |
KR (1) | KR100731448B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009158647A (ja) * | 2007-12-26 | 2009-07-16 | Sharp Corp | 窒化物系半導体レーザ素子およびその製造方法 |
GB201005696D0 (en) | 2010-04-06 | 2010-05-19 | Oclaro Technology Plc | Semiconductor laser diodes |
CN103647216A (zh) * | 2013-11-15 | 2014-03-19 | 北京工业大学 | 一种具有非对称腔面非注入区窗口结构的半导体激光器 |
CN103956647A (zh) * | 2014-05-16 | 2014-07-30 | 深圳清华大学研究院 | 半导体激光芯片及其制造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04356052A (ja) * | 1990-09-12 | 1992-12-09 | Mitsubishi Kasei Corp | 電子写真用感光体 |
JPH06188511A (ja) * | 1992-12-18 | 1994-07-08 | Furukawa Electric Co Ltd:The | 半導体レーザ素子 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60202974A (ja) * | 1983-10-18 | 1985-10-14 | Kokusai Denshin Denwa Co Ltd <Kdd> | 分布帰還形半導体レ−ザ |
US5757833A (en) * | 1995-11-06 | 1998-05-26 | The Furukawa Electric Co., Ltd. | Semiconductor laser having a transparent light emitting section, and a process of producing the same |
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2000
- 2000-07-05 JP JP2000204054A patent/JP2002026448A/ja active Pending
-
2001
- 2001-07-03 US US09/897,096 patent/US6628688B2/en not_active Expired - Lifetime
- 2001-07-04 KR KR1020010039792A patent/KR100731448B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04356052A (ja) * | 1990-09-12 | 1992-12-09 | Mitsubishi Kasei Corp | 電子写真用感光体 |
JPH06188511A (ja) * | 1992-12-18 | 1994-07-08 | Furukawa Electric Co Ltd:The | 半導体レーザ素子 |
Also Published As
Publication number | Publication date |
---|---|
KR20020003520A (ko) | 2002-01-12 |
US20020015429A1 (en) | 2002-02-07 |
US6628688B2 (en) | 2003-09-30 |
JP2002026448A (ja) | 2002-01-25 |
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