KR100324147B1 - 반도체레이저 및 그의 제조방법 - Google Patents
반도체레이저 및 그의 제조방법 Download PDFInfo
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- KR100324147B1 KR100324147B1 KR1019980055760A KR19980055760A KR100324147B1 KR 100324147 B1 KR100324147 B1 KR 100324147B1 KR 1019980055760 A KR1019980055760 A KR 1019980055760A KR 19980055760 A KR19980055760 A KR 19980055760A KR 100324147 B1 KR100324147 B1 KR 100324147B1
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- semiconductor laser
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 146
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 121
- 238000000576 coating method Methods 0.000 claims abstract description 121
- 239000010410 layer Substances 0.000 claims description 80
- 230000010355 oscillation Effects 0.000 claims description 20
- 239000002356 single layer Substances 0.000 claims description 19
- 238000002310 reflectometry Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 18
- 230000003287 optical effect Effects 0.000 description 17
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 10
- 239000011253 protective coating Substances 0.000 description 8
- 229910010282 TiON Inorganic materials 0.000 description 7
- 238000005253 cladding Methods 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 6
- 229910010413 TiO 2 Inorganic materials 0.000 description 6
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- CMJCEVKJYRZMIA-UHFFFAOYSA-M thallium(i) iodide Chemical compound [Tl]I CMJCEVKJYRZMIA-UHFFFAOYSA-M 0.000 description 2
- 229910017109 AlON Inorganic materials 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- GBECUEIQVRDUKB-UHFFFAOYSA-M thallium monochloride Chemical compound [Tl]Cl GBECUEIQVRDUKB-UHFFFAOYSA-M 0.000 description 1
- PGAPATLGJSQQBU-UHFFFAOYSA-M thallium(i) bromide Chemical compound [Tl]Br PGAPATLGJSQQBU-UHFFFAOYSA-M 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01S5/10—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
-
- 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
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
- H01S3/08022—Longitudinal modes
- H01S3/08031—Single-mode emission
- H01S3/08036—Single-mode emission using intracavity dispersive, polarising or birefringent elements
-
- 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
- H01S5/3013—AIIIBV compounds
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
각종 출사광단면 패시베이션 재료의 굴절율 | ||||
재료명 | 굴 절 율 | 투과파장영역(㎛) | 참고문헌 | |
상광선 | 이상광선 | |||
TiO2 | 2.616 | 2.903 | [1] | |
비정질 TiO2 | 2.25 | |||
TiOxN1-x | 2.25-2.75 | |||
Al2O3 | 1.768 | 1.760 | [1] | |
비정질 Al2O3 | 1.68 | |||
AlOxN1-x | 1.68-2.25 | |||
AlN | 2.25 | > 0.2 ㎛ | [2] | |
AlP | 2.99 | > 0.51 ㎛ | [2] | |
AlAs | 3.2 | > 0.58 ㎛ | [2] | |
SiO2 | 1.46 | |||
SiOxN1-x | 1.46-1.96 | |||
C | 2.42 | > 0.23 ㎛ | [2] | |
SiC | 2.5-2.7 | > 0.54 ㎛ | [2] | |
BN | 2.2 | > 0.21 ㎛ | [2] | |
BP | 3.0-3.5 | > 0.62 ㎛ | [2] | |
GaN | 2.0 | > 0.37 ㎛ | [2] | |
GaP | 5.19 | > 0.55 ㎛ | [2] | |
GaAs | 3.655 | > 0.86 ㎛ | [2] | |
ZnO | 2.0 | > 0.36 ㎛ | [2] | |
ZnS | 2.26 | > 0.32 ㎛ | [2] | |
ZnSe | 2.6-2.7 | > 0.46 ㎛ | [2] | |
Cds | 2.30 | > 0.48 ㎛ | [2] |
각종 출사광단면 패시베이션 재료의 굴절율 | ||||
재료명 | 굴 절 율 | 투과파장영역(㎛) | 참고문헌 | |
상광선 | 이상광선 | |||
CdSe | 2.55 | > 0.67 ㎛ | [2] | |
Se | 2.78 | 3.58 | > 0.60 ㎛ | [2] |
TlCl | 2.2-2.7 | > 0.39 ㎛ | [2] | |
TlBr | 2.4-2.7 | > 0.48 ㎛ | [2] | |
브롬화요오드화탈륨 (KRS-5) | 2.395 | > 0.5 ㎛ | [1],[2] | |
브롬화요오드화탈륨 (KRS-6) | ~2.4 | > 0.4 ㎛ | [2] | |
AgCl | 2.09 | > 0.37 ㎛ | [1],[2] | |
AgBr | ~2.1 | > 0.46 ㎛ | [2] | |
TiO2 | 2.4-2.9 | [3] | ||
TiO2 | 2.5 | [4],[5] | ||
CeO2 | 2.30 | [3] | ||
ZrO2 | 2.10 | [3] | ||
Ta2O5 | 2.6 | [4] | ||
Ta2O5: SiO2 | 1.5-2.2 | [6] | ||
TiO2: SiO2 | 1.5-2.5 | |||
Ta2O5: Al2O3 | 1.6-2.6 | |||
TiO2: Al2O3 | 1.6-2.6 | |||
Cr2O3 | 2.4 | [4] | ||
Gd2O3 | 2.1 | [4] | ||
ZnO | 2.0 | [4] |
Claims (8)
- 반도체레이저 도파로의 광출사단면상에, 단일층 또는 복수의 층으로 이루어지는 코팅막을 구비하는 반도체레이저의 제조방법에 있어서,상기 코팅막을 이루는 하나 이상의 층의 굴절율 n1을,의 ±20 %의 범위로 선택하는 단계를 포함하며,상기 neff는 반도체레이저 도파로의 유효굴절율이고, 상기 R1는 광출사단면의 반사율인 것을 특징으로 하는 반도체레이저의 제조방법.
- 반도체레이저 도파로의 광출사단면상에, 단일층 또는 복수의 층으로 이루어지는 코팅막을 구비하는 반도체레이저의 제조방법에 있어서,상기 코팅막을 이루는 하나 이상의 층의 굴절율 n1을,의 ±10 %의 범위로 선택하는 단계를 포함하며,상기 neff는 반도체레이저 도파로의 유효굴절율이고, 상기 R1는 광출사단면의 반사율인 것을 특징으로 하는 반도체레이저의 제조방법.
- 반도체레이저 도파로의 광출사단면상에, 단일층 또는 복수의 층으로 이루어지는 코팅막을 구비하는 반도체레이저의 제조방법에 있어서,상기 코팅막을 이루는 하나 이상의 층의 굴절율 n1을,의 ±20 %의 범위로 선택하는 단계; 및상기 굴절율 n1을 갖는 상기 층 이외의 다른 층의 두께를에 따라 선택하는 단계를 포함하며,여기서, 상기 neff는 반도체레이저 도파로의 유효굴절율이고, 상기 R1는 광출사단면의 반사율이며, 상기 nj는 상기 다른 층의 굴절율이고, 상기 λ는 상기 반도체레이저의 발진파장인 것을 특징으로 하는 반도체레이저의 제조방법.
- 반도체레이저 도파로의 광출사단면상에, 단일층 또는 복수의 층으로 이루어지는 코팅막을 구비하는 반도체레이저의 제조방법에 있어서,상기 코팅막을 이루는 하나 이상의 층의 굴절율 n1을,의 ±10 %의 범위로 선택하는 단계; 및상기 굴절율 n1을 갖는 상기 층 이외의 다른 층의 두께를에 따라 선택하는 단계를 포함하며,여기서, 상기 neff는 반도체레이저 도파로의 유효굴절율이고, 상기 R1는 광출사단면의 반사율이며, 상기 nj는 상기 다른 층의 굴절율이고, 상기 λ는 상기 반도체레이저의 발진파장인 것을 특징으로 하는 반도체레이저의 제조방법.
- 반도체레이저 도파로의 광출사단면상에, 단일층 또는 복수의 층으로 이루어지는 코팅막을 구비하는 반도체레이저에 있어서,상기 코팅막은,의 ±20 %의 범위에 속하는 굴절율 n1을 갖는 하나 이상의 층을 포함하며,상기 neff는 반도체레이저 도파로의 유효굴절율이고, 상기 R1는 광출사단면의 반사율인 것을 특징으로 하는 반도체레이저.
- 반도체레이저 도파로의 광출사단면상에, 단일층 또는 복수의 층으로 이루어지는 코팅막을 구비하는 반도체레이저에 있어서,상기 코팅막은,의 ±10 %의 범위에 속하는 굴절율 n1을 갖는 하나 이상의 층을 포함하며,상기 neff는 반도체레이저 도파로의 유효굴절율이고, 상기 R1는 광출사단면의 반사율인 것을 특징으로 하는 반도체레이저.
- 반도체레이저 도파로의 광출사단면상에, 단일층 또는 복수의 층으로 이루어지는 코팅막을 구비하는 반도체레이저에 있어서,상기 코팅막은,의 ±20 %의 범위에 속하는 굴절율 n1을 갖는 하나 이상의 층 및에 따른 두께를 갖는, 상기 굴절율 n1을 갖는 상기 층 이외의 다른 층을 구비하며,여기서, 상기 neff는 반도체레이저 도파로의 유효굴절율이고, 상기 R1는 광출사단면의 반사율이며, 상기 nj는 상기 다른 층의 굴절율이고, 상기 λ는 상기 반도체레이저의 발진파장인 것을 특징으로 하는 반도체레이저.
- 반도체레이저 도파로의 광출사단면상에, 단일층 또는 복수의 층으로 이루어지는 코팅막을 구비하는 반도체레이저에 있어서,상기 코팅막은,의 ±10 %의 범위에 속하는 굴절율 n1을 갖는 하나 이상의 층 및에 따른 두께를 갖는, 상기 굴절율 n1을 갖는 상기 층 이외의 다른 층을 구비하며,여기서, 상기 neff는 반도체레이저 도파로의 유효굴절율이고, 상기 R1는 광출사단면의 반사율이며, 상기 nj는 상기 다른 층의 굴절율이고, 상기 λ는 상기 반도체레이저의 발진파장인 것을 특징으로 하는 반도체레이저.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP97-349319 | 1997-12-18 | ||
JP34931997 | 1997-12-18 | ||
JP12907698A JP3522107B2 (ja) | 1997-12-18 | 1998-05-12 | 半導体レーザ |
JP98-129076 | 1998-05-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990063158A KR19990063158A (ko) | 1999-07-26 |
KR100324147B1 true KR100324147B1 (ko) | 2002-03-08 |
Family
ID=26464589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019980055760A KR100324147B1 (ko) | 1997-12-18 | 1998-12-17 | 반도체레이저 및 그의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6285700B1 (ko) |
EP (1) | EP0924819A3 (ko) |
JP (1) | JP3522107B2 (ko) |
KR (1) | KR100324147B1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10048475C2 (de) * | 2000-09-29 | 2003-04-17 | Lumics Gmbh | Passivierung der Resonatorendflächen von Halbleiterlasern auf der Basis von III-V-Halbleitermaterial |
US20020191660A1 (en) * | 2001-05-25 | 2002-12-19 | Andreas Wittman | Anti-reflection coatings for semiconductor lasers |
US7173953B2 (en) * | 2001-11-06 | 2007-02-06 | Bookham Technology Plc | Anti-reflection coatings for semiconductor lasers |
DE102004024156B4 (de) * | 2004-03-31 | 2011-01-13 | Osram Opto Semiconductors Gmbh | Kantenemittierender Diodenlaser |
JP4946243B2 (ja) * | 2005-07-29 | 2012-06-06 | 日亜化学工業株式会社 | 半導体レーザ素子、及びそれを用いた光ピックアップ装置、光学式情報再生装置 |
JP2007201373A (ja) * | 2006-01-30 | 2007-08-09 | Sharp Corp | 半導体レーザ素子 |
JP5233987B2 (ja) * | 2007-03-09 | 2013-07-10 | 日本電気株式会社 | 窒化物半導体レーザ |
JP2008227169A (ja) | 2007-03-13 | 2008-09-25 | Nec Electronics Corp | 半導体レーザ素子 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08307004A (ja) * | 1995-05-10 | 1996-11-22 | Oki Electric Ind Co Ltd | 半導体レーザおよびその製造方法 |
JPH09260777A (ja) * | 1996-03-27 | 1997-10-03 | Matsushita Electric Ind Co Ltd | 半導体レーザー装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4464762A (en) * | 1982-02-22 | 1984-08-07 | Bell Telephone Laboratories, Incorporated | Monolithically integrated distributed Bragg reflector laser |
JPH0824209B2 (ja) * | 1987-03-10 | 1996-03-06 | 古河電気工業株式会社 | 化合物半導体レ−ザ |
US4993036A (en) * | 1988-09-28 | 1991-02-12 | Canon Kabushiki Kaisha | Semiconductor laser array including lasers with reflecting means having different wavelength selection properties |
JPH0537085A (ja) | 1991-07-31 | 1993-02-12 | Toshiba Corp | 半導体レーザ装置 |
US5383214A (en) * | 1992-07-16 | 1995-01-17 | Matsushita Electric Industrial Co., Ltd. | Semiconductor laser and a method for producing the same |
EP0792531A1 (en) * | 1995-09-14 | 1997-09-03 | Koninklijke Philips Electronics N.V. | Semiconductor diode laser and method of manufacturing same |
-
1998
- 1998-05-12 JP JP12907698A patent/JP3522107B2/ja not_active Expired - Lifetime
- 1998-12-10 EP EP98123595A patent/EP0924819A3/en not_active Withdrawn
- 1998-12-16 US US09/212,473 patent/US6285700B1/en not_active Expired - Lifetime
- 1998-12-17 KR KR1019980055760A patent/KR100324147B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08307004A (ja) * | 1995-05-10 | 1996-11-22 | Oki Electric Ind Co Ltd | 半導体レーザおよびその製造方法 |
JPH09260777A (ja) * | 1996-03-27 | 1997-10-03 | Matsushita Electric Ind Co Ltd | 半導体レーザー装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0924819A3 (en) | 2001-10-31 |
US6285700B1 (en) | 2001-09-04 |
JP3522107B2 (ja) | 2004-04-26 |
EP0924819A2 (en) | 1999-06-23 |
JPH11238940A (ja) | 1999-08-31 |
KR19990063158A (ko) | 1999-07-26 |
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