KR0178492B1 - 기울어진 공진기로 편광특성이 제어된 표면방출 레이저 다이오드 제조방법 - Google Patents
기울어진 공진기로 편광특성이 제어된 표면방출 레이저 다이오드 제조방법 Download PDFInfo
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- KR0178492B1 KR0178492B1 KR1019950053677A KR19950053677A KR0178492B1 KR 0178492 B1 KR0178492 B1 KR 0178492B1 KR 1019950053677 A KR1019950053677 A KR 1019950053677A KR 19950053677 A KR19950053677 A KR 19950053677A KR 0178492 B1 KR0178492 B1 KR 0178492B1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 230000010287 polarization Effects 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 19
- 229920002120 photoresistant polymer Polymers 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000005468 ion implantation Methods 0.000 claims description 11
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000000206 photolithography Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- 238000010884 ion-beam technique Methods 0.000 claims description 4
- 238000000059 patterning Methods 0.000 claims description 4
- 238000001020 plasma etching Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims 20
- 238000009413 insulation Methods 0.000 claims 1
- 238000002161 passivation Methods 0.000 claims 1
- 239000011241 protective layer Substances 0.000 claims 1
- 230000005684 electric field Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- H01S5/10—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
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
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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
- H01S5/10—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
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18344—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] characterized by the mesa, e.g. dimensions or shape of the mesa
- H01S5/18352—Mesa with inclined sidewall
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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
- H01S5/10—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
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18355—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a defined polarisation
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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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2054—Methods of obtaining the confinement
- H01S5/2059—Methods of obtaining the confinement by means of particular conductivity zones, e.g. obtained by particle bombardment or diffusion
- H01S5/2063—Methods of obtaining the confinement by means of particular conductivity zones, e.g. obtained by particle bombardment or diffusion obtained by particle bombardment
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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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2054—Methods of obtaining the confinement
- H01S5/2081—Methods of obtaining the confinement using special etching techniques
- H01S5/2086—Methods of obtaining the confinement using special etching techniques lateral etch control, e.g. mask induced
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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
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/3202—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures grown on specifically orientated substrates, or using orientation dependent growth
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/095—Laser devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/099—LED, multicolor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/978—Semiconductor device manufacturing: process forming tapered edges on substrate or adjacent layers
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (7)
- 기울어진 공진기로 편광특성이 제어된 표면방출 레이저다이오드의 제조방법에 있어서, 공진기를 110 또는방향으로 5° - 45°의 각도로 기울여 형성함을 특징으로 하는 레이저다이오드의 제조방법.
- 기울어진 공진기로 편광특성이 제어된 표면방출 레이저다이오드의 제조방법에 있어서, GaAs 기판(1) 상에 하부 거울층(2), 활성층(3) 및 상부 거울층(4)을 차례로 형성하는 공정과; 상기 상부 거울층(4) 상에 식각 마스크용 물질로서 금속층을 형성하고 이를 사진식각법으로 패터닝하여 금속 마스크 패턴(6)을 형성하는 공정과, 상기 금속 마스크 패턴(6)을 그의 하부 형성물질에 대한 식각 마스크로 이용하여 노출된 상부 거울층(4)과 활성층(3)을 110 또는방향으로 5° - 45°의 각도로 기울여 식각하는 공정을 포함하는 것을 특징으로 하는 레이저다이오드의 제조방법.
- 제2항에 있어서, 상기 금속 마스크패턴(6)은 1000 내지 5000Å의 두께를 갖는 Au와 500 내지 2000Å의 두께를 갖는 Ni을 증착한 금속층으로 형성됨을 특징으로 하는 레이저다이오드의 제조방법.
- 제2항에 있어서, 상기 금속층 패턴(6)을 마스크로 하여 상부 거울층(4) 및 활성층(3)을 반응성 이온식각 또는 이온 빔 식각법으로 식각하는 것을 특징으로 하는 레이저다이오드의 제조방법.
- 기울어진 공진기로 편광특성이 제어된 표면방출 레이저다이오드의 제조방법에 있어서, GaAs 기판(1) 상에 하부 거울층(2), 활성층(3), 상부 거울층(4) 및 보호막(7)을 형성하는 공정과, 상기 보호막(7) 상에 포토레지스트를 형성한 후 이를 노광 및 현상하여 소정의 폭을 갖는 포토레지스트 패턴(8)을 형성하는 공정과, 상기 포토레지스트 패턴(8)을 식각마스크로서 이용하여 노출된 보호막(7)을 패터닝하는 공정과, 상기 보호막(7)을 통해 노출된 상부 거울층(4)을 110 또는방향으로 5° - 45°의 각도로 소정의 깊이까지 식각하는 공정과; 상기 포토레지스트 패턴(8)과 보호막 패턴(7)을 이온 주입 마스크로 하여 불순물을 주입하여 활성층(3)에 이온 주입영역(9)을 형성하는 공정을 포함하는 것을 특징으로 하는 레이저다이오드의 제조방법.
- 제5항에 있어서, 상기 상부 거울층(4)의 식각공정시 식각되는 부분이 활성층(3)의 표면에 소정의 두께로 잔류하여 전류 주입을 위한 전극을 형성할 수 있도록 하는 것을 특징으로 하는 레이저다이오드의 제조방법.
- 제5항에 있어서, 이온 주입영역(9)은 프로톤(proton) 또는 보론(boron) 등의 전기적 도핑없이 최대 결정손상이 발생하는 깊이가 활성층(3) 바로 위 또는 활성층(3) 내에 들어가도록 하며, 이온주입 농도는 결정손상에 의해 절연 효과를 줄일 수 있는 농도로 불순물을 주입하여 형성함을 특징으로 하는 레이저다이오드의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950053677A KR0178492B1 (ko) | 1995-12-21 | 1995-12-21 | 기울어진 공진기로 편광특성이 제어된 표면방출 레이저 다이오드 제조방법 |
US08/641,531 US5712188A (en) | 1995-12-21 | 1996-05-01 | Fabrication method of polarization-controlled surface-emitting laser diode using tilted-cavity |
JP8112656A JP3002420B2 (ja) | 1995-12-21 | 1996-05-07 | 傾いた共振器で偏光特性が制御された面発光レーザダイオードの製造方法 |
Applications Claiming Priority (1)
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KR1019950053677A KR0178492B1 (ko) | 1995-12-21 | 1995-12-21 | 기울어진 공진기로 편광특성이 제어된 표면방출 레이저 다이오드 제조방법 |
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KR970054985A KR970054985A (ko) | 1997-07-31 |
KR0178492B1 true KR0178492B1 (ko) | 1999-04-15 |
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KR1019950053677A KR0178492B1 (ko) | 1995-12-21 | 1995-12-21 | 기울어진 공진기로 편광특성이 제어된 표면방출 레이저 다이오드 제조방법 |
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US (1) | US5712188A (ko) |
JP (1) | JP3002420B2 (ko) |
KR (1) | KR0178492B1 (ko) |
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KR100204569B1 (ko) * | 1996-08-28 | 1999-06-15 | 정선종 | 편광 제어된 표면 방출 레이저 어레이의 구조 및 그 제조 방법 |
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US6990135B2 (en) * | 2002-10-28 | 2006-01-24 | Finisar Corporation | Distributed bragg reflector for optoelectronic device |
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KR940007605B1 (ko) * | 1991-11-07 | 1994-08-20 | 주식회사 금성사 | 반도체 레이저 다이오드 제조방법 |
US5256596A (en) * | 1992-03-26 | 1993-10-26 | Motorola, Inc. | Top emitting VCSEL with implant |
US5256580A (en) * | 1992-04-06 | 1993-10-26 | Motorola, Inc. | Method of forming a light emitting diode |
JPH065976A (ja) * | 1992-06-24 | 1994-01-14 | Fujitsu Ltd | 半導体レーザ装置の製造方法 |
US5270245A (en) * | 1992-11-27 | 1993-12-14 | Motorola, Inc. | Method of forming a light emitting diode |
US5492607A (en) * | 1993-02-17 | 1996-02-20 | Hughes Aircraft Company | Method of fabricating a surface emitting laser with large area deflecting mirror |
US5416044A (en) * | 1993-03-12 | 1995-05-16 | Matsushita Electric Industrial Co., Ltd. | Method for producing a surface-emitting laser |
US5376583A (en) * | 1993-12-29 | 1994-12-27 | Xerox Corporation | Method for producing P-type impurity induced layer disordering |
-
1995
- 1995-12-21 KR KR1019950053677A patent/KR0178492B1/ko not_active IP Right Cessation
-
1996
- 1996-05-01 US US08/641,531 patent/US5712188A/en not_active Expired - Lifetime
- 1996-05-07 JP JP8112656A patent/JP3002420B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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US5712188A (en) | 1998-01-27 |
JPH09181391A (ja) | 1997-07-11 |
KR970054985A (ko) | 1997-07-31 |
JP3002420B2 (ja) | 2000-01-24 |
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