KR101022297B1 - 반도체 레이저 - Google Patents
반도체 레이저 Download PDFInfo
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- KR101022297B1 KR101022297B1 KR1020090001048A KR20090001048A KR101022297B1 KR 101022297 B1 KR101022297 B1 KR 101022297B1 KR 1020090001048 A KR1020090001048 A KR 1020090001048A KR 20090001048 A KR20090001048 A KR 20090001048A KR 101022297 B1 KR101022297 B1 KR 101022297B1
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- 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
- H01S5/20—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
- H01S5/223—Buried stripe structure
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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
- H01S5/223—Buried stripe structure
- H01S5/2231—Buried stripe structure with inner confining structure only between the active layer and the upper electrode
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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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
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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
- H01S5/1053—Comprising an active region having a varying composition or cross-section in a specific direction
- H01S5/1064—Comprising an active region having a varying composition or cross-section in a specific direction varying width along the optical axis
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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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
-
- 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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
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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)
- 릿지와,상기 릿지의 양측에 위치하고, 상기 릿지를 사이에 끼우고, 상기 릿지보다 등가굴절률이 작은 채널부와,상기 채널부의 외측에 상기 채널부의 등가굴절률보다 큰 등가굴절률을 갖는 다층을 갖는 더블 채널형 릿지 구조의 반도체 레이저로서,상기 릿지가, 광 출사 단부면을 향해서 폭이 넓어지는 플레어 릿지 구조를 갖고, 상기 릿지의 폭이 가장 좁은 개소의 양측의 위치의 채널부의 폭이, 상기 광 출사 단부면부에 있어서의 채널부의 폭보다 넓어져 있는 것을 특징으로 하는 반도체 레이저.
- 제 1항에 있어서,상기 릿지의 폭이 T, 등가굴절률이 n1,상기 채널부의 등가굴절률이 n2이고,발진 파장이 λ이고, 기본 모드에서 발진하는 더블 채널형 릿지 구조의 반도체 레이저이고,상기 릿지의 중심으로부터의 거리 x에 있어서의 전계 E를E = Acos(ux) (x≤T/2) …(1)E = Acos(uT/2) exp(-w(|x|-T/2) (x≥T/2) …(2)u2+w2 = (n1 2-n2 2) (2π/λ)2T2 …(3)w = u·tan(u) …(4)단, A는 소정의 계수로 표시한 경우에,상기 릿지의 폭이 가장 좁은 개소의 채널부의 폭 Wc가,x=0에 있어서의 전계 E1과, x=T/2+Wc에 있어서의 전계 E2의 비인 E2/E1가,0.0001 ≤ E2/E1 ≤ 0.01 …(5)를 만족시키도록 설정되어 있는 것을 특징으로 하는 반도체 레이저.
- 제 2항에 있어서,상기 릿지의 중심으로부터 상기 채널부의 외측의 끝까지의 거리가 일정한 것을 특징으로 하는 반도체 레이저.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,발진 파장이 601nm 이상, 700nm 이하의 범위에 있는 것을 특징으로 하는 반도체 레 이저.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,발진 파장이 701nm 이상, 900nm 이하의 범위에 있는 것을 특징으로 하는 반도체 레이저.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,발진 파장이 330nm 이상, 600nm 이하의 범위에 있는 것을 특징으로 하는 반도체 레이저.
- 서로 다른 발진 파장을 갖는 청구항 1에 기재된 반도체 레이저를 복수개 갖고, 상기 복수의 반도체 레이저를 1칩에 집적화한 것을 특징으로 하는 반도체 레이저.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2008-132980 | 2008-05-21 | ||
JP2008132980A JP2009283605A (ja) | 2008-05-21 | 2008-05-21 | 半導体レーザ |
Publications (2)
Publication Number | Publication Date |
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KR20090121179A KR20090121179A (ko) | 2009-11-25 |
KR101022297B1 true KR101022297B1 (ko) | 2011-03-21 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020090001048A KR101022297B1 (ko) | 2008-05-21 | 2009-01-07 | 반도체 레이저 |
Country Status (5)
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US (1) | US7778299B2 (ko) |
JP (1) | JP2009283605A (ko) |
KR (1) | KR101022297B1 (ko) |
CN (1) | CN101588020B (ko) |
TW (1) | TW200950241A (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6700019B2 (ja) * | 2015-10-20 | 2020-05-27 | スタンレー電気株式会社 | 半導体発光素子 |
DE102016113071A1 (de) | 2016-07-15 | 2018-01-18 | Osram Opto Semiconductors Gmbh | Halbleiterlaserdiode |
CN111095700B (zh) * | 2017-09-14 | 2021-12-14 | 三菱电机株式会社 | 半导体激光装置 |
US11837838B1 (en) * | 2020-01-31 | 2023-12-05 | Freedom Photonics Llc | Laser having tapered region |
WO2022172679A1 (ja) * | 2021-02-10 | 2022-08-18 | パナソニックホールディングス株式会社 | 半導体レーザ素子 |
JPWO2022172680A1 (ko) * | 2021-02-10 | 2022-08-18 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08195525A (ja) * | 1995-01-18 | 1996-07-30 | Nec Corp | 半導体レーザ |
JP2003060303A (ja) | 2001-08-17 | 2003-02-28 | Sony Corp | 半導体レーザおよびその製造方法 |
KR20070073065A (ko) * | 2006-01-03 | 2007-07-10 | 삼성전자주식회사 | 광모드 크기 변환기 집적 레이저장치 및 그 제조방법 |
KR20070088996A (ko) * | 2006-02-27 | 2007-08-30 | 엘지전자 주식회사 | 반도체 레이저 소자 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2695440B2 (ja) | 1988-07-07 | 1997-12-24 | 三菱電機株式会社 | 半導体レーザ装置 |
JP3104789B2 (ja) * | 1997-05-02 | 2000-10-30 | 日本電気株式会社 | 半導体光素子およびその製造方法 |
JP4094756B2 (ja) * | 1999-01-05 | 2008-06-04 | 三菱電機株式会社 | 半導体レーザダイオード |
US6375364B1 (en) * | 2000-01-06 | 2002-04-23 | Corning Lasertron, Inc. | Back facet flared ridge for pump laser |
US6798815B2 (en) | 2002-04-24 | 2004-09-28 | Bookham Technology Plc | High power semiconductor laser diode and method for making such a diode |
JP4472278B2 (ja) * | 2003-06-26 | 2010-06-02 | 三菱電機株式会社 | 半導体レーザ素子 |
CN100382399C (zh) * | 2004-11-11 | 2008-04-16 | 三菱电机株式会社 | 半导体激光器 |
JP3857294B2 (ja) * | 2004-11-11 | 2006-12-13 | 三菱電機株式会社 | 半導体レーザ |
JP2006303052A (ja) * | 2005-04-19 | 2006-11-02 | Nec Electronics Corp | 半導体レーザ装置及び半導体レーザ装置の製造方法 |
JP4806205B2 (ja) | 2005-04-22 | 2011-11-02 | パナソニック株式会社 | 半導体レーザ装置 |
JP2007311522A (ja) * | 2006-05-18 | 2007-11-29 | Mitsubishi Electric Corp | 半導体レーザ |
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2008
- 2008-05-21 JP JP2008132980A patent/JP2009283605A/ja active Pending
- 2008-10-14 TW TW097139380A patent/TW200950241A/zh unknown
- 2008-10-15 US US12/251,529 patent/US7778299B2/en active Active
-
2009
- 2009-01-07 KR KR1020090001048A patent/KR101022297B1/ko active IP Right Grant
- 2009-01-24 CN CN2009100099707A patent/CN101588020B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08195525A (ja) * | 1995-01-18 | 1996-07-30 | Nec Corp | 半導体レーザ |
JP2003060303A (ja) | 2001-08-17 | 2003-02-28 | Sony Corp | 半導体レーザおよびその製造方法 |
KR20070073065A (ko) * | 2006-01-03 | 2007-07-10 | 삼성전자주식회사 | 광모드 크기 변환기 집적 레이저장치 및 그 제조방법 |
KR20070088996A (ko) * | 2006-02-27 | 2007-08-30 | 엘지전자 주식회사 | 반도체 레이저 소자 |
Also Published As
Publication number | Publication date |
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KR20090121179A (ko) | 2009-11-25 |
US7778299B2 (en) | 2010-08-17 |
TW200950241A (en) | 2009-12-01 |
CN101588020B (zh) | 2011-09-07 |
CN101588020A (zh) | 2009-11-25 |
US20090290612A1 (en) | 2009-11-26 |
JP2009283605A (ja) | 2009-12-03 |
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