KR100219593B1 - 광검출기 일체형 표면광 레이저 - Google Patents
광검출기 일체형 표면광 레이저 Download PDFInfo
- Publication number
- KR100219593B1 KR100219593B1 KR1019950028513A KR19950028513A KR100219593B1 KR 100219593 B1 KR100219593 B1 KR 100219593B1 KR 1019950028513 A KR1019950028513 A KR 1019950028513A KR 19950028513 A KR19950028513 A KR 19950028513A KR 100219593 B1 KR100219593 B1 KR 100219593B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- light
- laser
- active layer
- cavity
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 239000004065 semiconductor Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000002269 spontaneous effect Effects 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 238000002310 reflectometry Methods 0.000 claims abstract description 3
- 238000005468 ion implantation Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/17—Semiconductor lasers comprising special layers
- H01S2301/173—The laser chip comprising special buffer layers, e.g. dislocation prevention or reduction
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (4)
- 외부 전원이 연결되는 제1전극층과, 이 제1전극층 상에 마련된 기판과, 이 기판상에 적층되고 입사광을 흡수 할 수 있도록 된 진성 버퍼층과, 상기 진성 버퍼층 상에 고반사율을 가지는 다층의 반도체 물질이 적층된 하부 반사기층과, 이 하부 반사기층 상의 일부면에 적층되어 레이저 광을 생성하는 활성층과, 상기 하부 반사기층 상의 다른 면에 형성된 제2전극층과, 상기 활성층에서 생성된 광이 출사되도록 된 공동을 가지며 사기 상부 반사기층 상에 형성된 제3전극층이 구비된 광검출기 일체형 표면광 레이저에 있어서,상기 활성층은 상기 공동과 마주하는 영역에서 대부분의 레이저광이 생성되도록 그 내부의 상기 공동과 마주하지 않는 부분에 고저항영역이 형성되며,상기 활성층에서 출사된 자발 방출광의 흡수를 억제하도록 상기 진성 버퍼층 내부의 상기 공동과 마주하지 않는 부분에 고저항 영역이 형성된 것을 특징으로 하는 광검출기 일체형 표면광 레이저.
- 제1항에 있어서, 상기 하부 반사기층은 상기 제2전극층이 증착된 부분이 상기 활성층의 적층된 부분 보다 그 두께가 얇도록 식각된 것을 특징으로 하는 광검출기 일체형 표면광 레이저.
- 제1항에 있어서, 상기 활성층과 진성버퍼층에 마련된 고저항 영역은 이온 주입에 의해 형성된 것을 특징으로 하는 광검출기 일체형 표면광 레이저.
- 제1항에 있어서, 고저항 영역이 형성되지 않은 상기 활성층과 진성버퍼층의 영역이 대략 5∼10㎛의 직경을 갖는 것을 특징으로 하는 광검출기 일체형 표면광 레이저.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950028513A KR100219593B1 (ko) | 1995-08-31 | 1995-08-31 | 광검출기 일체형 표면광 레이저 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950028513A KR100219593B1 (ko) | 1995-08-31 | 1995-08-31 | 광검출기 일체형 표면광 레이저 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970013539A KR970013539A (ko) | 1997-03-29 |
KR100219593B1 true KR100219593B1 (ko) | 1999-09-01 |
Family
ID=19425804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950028513A KR100219593B1 (ko) | 1995-08-31 | 1995-08-31 | 광검출기 일체형 표면광 레이저 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100219593B1 (ko) |
-
1995
- 1995-08-31 KR KR1019950028513A patent/KR100219593B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR970013539A (ko) | 1997-03-29 |
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