JP5162926B2 - 半導体レーザ装置の製造方法 - Google Patents
半導体レーザ装置の製造方法 Download PDFInfo
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- JP5162926B2 JP5162926B2 JP2007056909A JP2007056909A JP5162926B2 JP 5162926 B2 JP5162926 B2 JP 5162926B2 JP 2007056909 A JP2007056909 A JP 2007056909A JP 2007056909 A JP2007056909 A JP 2007056909A JP 5162926 B2 JP5162926 B2 JP 5162926B2
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- Prior art keywords
- film
- semiconductor laser
- face
- laser device
- gallium nitride
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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
- H01S5/22—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 having a ridge or stripe structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34333—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer based on Ga(In)N or Ga(In)P, e.g. blue laser
-
- 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
- H01S5/0282—Passivation layers or treatments
- H01S5/0283—Optically inactive coating on the facet, e.g. half-wave coating
-
- 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
- H01S5/0287—Facet reflectivity
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Geometry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Semiconductor Lasers (AREA)
Description
前記第1の端面および前記第2の端面の少なくとも一方に、金属またはシリコンの膜を設け前記膜をプラズマ陽極酸化することにより陽極酸化膜からなる密着層を設ける膜形成工程と、
前記密着層にコーティング膜を積層するコーティング工程と、
を有することを特徴とする窒化ガリウム系半導体レーザ装置の製造方法に関する。
2 n型クラッド層
3 活性層
4 p型クラッド層
5 リッジ
6 p電極
7 n電極
8 前端面
9 後端面
21,23 密着層
22,24,32,34 コーティング層
101 プラズマ陽極酸化装置
102 真空容器
103 上部電極
104 下部電極
105 ガス導入管
107 高周波電源
108 高周波コイル
109 DC電源
110 バー
111 石英カバー
Claims (5)
- レーザ光の進行方向に沿って設けられた共振器、前記共振器の一方の端部に設けられ前記レーザ光を出射する第1の端面、および前記共振器の他方の端部に設けられた第2の端面とを備える窒化ガリウム系半導体レーザ又は窒化ガリウム系半導体レーザーバーを準備する準備工程と、
前記第1の端面および前記第2の端面の少なくとも一方に、金属またはシリコンの陽極酸化膜からなる密着層をプラズマ陽極酸化により設ける膜形成工程と、
前記密着層にコーティング膜を積層するコーティング工程と、
を有することを特徴とする窒化ガリウム系半導体レーザ装置の製造方法。 - 前記密着層は、アルミニウム(Al)、チタン(Ti)、ニオブ(Nb)、ジルコニウム(Zr)、タンタル(Ta)、シリコン(Si)またはハフニウム(Hf)の陽極酸化膜からなり、厚さが10nm以下であることを特徴とする請求項1に記載の窒化ガリウム系半導体レーザ装置の製造方法。
- 前記膜形成工程の後に、前記陽極酸化膜を200〜600℃でアニールすることを特徴とする請求項2に記載の窒化ガリウム系半導体レーザ装置の製造方法。
- 前記プラズマ陽極酸化を行う際に、プラズマに対し定電流モードでバイアスを印加することを特徴とする請求項1乃至3のいずれか1項に記載の窒化ガリウム系半導体レーザ装置の製造方法。
- 前記プラズマ陽極酸化を行う前に、前記第1の端面および前記第2の端面のうち前記陽極酸化膜を設ける端面を、電圧を印加せずにプラズマに晒すことを特徴とする請求項1乃至4のいずれか1項に記載の窒化ガリウム系半導体レーザ装置の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007056909A JP5162926B2 (ja) | 2007-03-07 | 2007-03-07 | 半導体レーザ装置の製造方法 |
US11/934,159 US7555025B2 (en) | 2007-03-07 | 2007-11-02 | Semiconductor laser device |
TW097105015A TW200843266A (en) | 2007-03-07 | 2008-02-13 | Semiconductor laser device |
CN2008100838051A CN101262121B (zh) | 2007-03-07 | 2008-03-07 | 半导体激光装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007056909A JP5162926B2 (ja) | 2007-03-07 | 2007-03-07 | 半導体レーザ装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008218865A JP2008218865A (ja) | 2008-09-18 |
JP5162926B2 true JP5162926B2 (ja) | 2013-03-13 |
Family
ID=39741554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007056909A Expired - Fee Related JP5162926B2 (ja) | 2007-03-07 | 2007-03-07 | 半導体レーザ装置の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7555025B2 (ja) |
JP (1) | JP5162926B2 (ja) |
CN (1) | CN101262121B (ja) |
TW (1) | TW200843266A (ja) |
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2007
- 2007-03-07 JP JP2007056909A patent/JP5162926B2/ja not_active Expired - Fee Related
- 2007-11-02 US US11/934,159 patent/US7555025B2/en not_active Expired - Fee Related
-
2008
- 2008-02-13 TW TW097105015A patent/TW200843266A/zh unknown
- 2008-03-07 CN CN2008100838051A patent/CN101262121B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2008218865A (ja) | 2008-09-18 |
TW200843266A (en) | 2008-11-01 |
CN101262121A (zh) | 2008-09-10 |
CN101262121B (zh) | 2010-06-02 |
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