KR0138860B1 - 초격 회절판 구조의 분배 브락 반사경을 갖는 반도체 레이저 - Google Patents
초격 회절판 구조의 분배 브락 반사경을 갖는 반도체 레이저Info
- Publication number
- KR0138860B1 KR0138860B1 KR1019940033468A KR19940033468A KR0138860B1 KR 0138860 B1 KR0138860 B1 KR 0138860B1 KR 1019940033468 A KR1019940033468 A KR 1019940033468A KR 19940033468 A KR19940033468 A KR 19940033468A KR 0138860 B1 KR0138860 B1 KR 0138860B1
- Authority
- KR
- South Korea
- Prior art keywords
- dbr
- cycles
- semiconductor laser
- several
- distribution block
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 230000010355 oscillation Effects 0.000 claims abstract description 7
- 239000011295 pitch Substances 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 1
- -1 gain section Substances 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
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
-
- 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
- H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/125—Distributed Bragg reflector [DBR] lasers
-
- 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]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
- H01S5/18363—Structure of the reflectors, e.g. hybrid mirrors comprising air layers
- H01S5/18366—Membrane DBR, i.e. a movable DBR on top of the VCSEL
-
- 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
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0601—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising an absorbing 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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
- H01S5/06255—Controlling the frequency of the radiation
- H01S5/06256—Controlling the frequency of the radiation with DBR-structure
-
- 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
- H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/1206—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods
- H01S5/1215—Multiplicity of periods
- H01S5/1218—Multiplicity of periods in superstructured configuration, e.g. more than one period in an alternate sequence
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
Abstract
Description
Claims (3)
- 포화 흡수자, 이득 구간, 위상 조절 구간 및, 발진 파장 1.55μm 의 분배 브락 반사경(DBR) 구간으로 구성되는 반도체 레이저에 있어서;상기 DBR 구간은 적어도 수개의 샘플링 구간들로 구성되고;상기 샘플링 구간들 각각에는 균일하지 않은 피치의 그레이팅들 이 소정의 주기씩 순서대로 배열되도록 형성된 것을 특징으로 하는 반도체 레이저.
- 제1항에 있어서,상기 DBR 구간은 5개의 샘플링 구간들로 구성되고,상기 샘플링 구간들 각각에는 233.5nm, 235nm, 236.5nm, 238nm 및 239.5nm의 피치를 각각 갖는 그레이팅들이 순서대로 각각 25주기, 5주기, 25주기, 5주기 및 25주기씩 배열되게 형성되는 것을 특징으로 하는 반도체 레이저.
- 제1항에 있어서,상기 DBR 구간은 6개의 샘플링 구간들로 구성되고,상기 샘플링 구간들 각각에는 233.5nm, 235nm, 236.5nm, 238nm 및 239.5nm의 피치를 각각 갖는 그레이팅들이 순서대로 각각 25주기, 5주기, 25주기, 5주기 및 25주기씩 배열되게 형성되는 것을 특징으로 하는 반도체 레이저.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940033468A KR0138860B1 (ko) | 1994-12-09 | 1994-12-09 | 초격 회절판 구조의 분배 브락 반사경을 갖는 반도체 레이저 |
US08/359,186 US5497393A (en) | 1994-12-09 | 1994-12-19 | Semiconductor laser with super structure grating distributed Bragg reflector |
JP6315385A JP2625088B2 (ja) | 1994-12-09 | 1994-12-19 | 超格子の回析板構造の分配ブラッグの反射鏡をもつ半導体レーザー |
KR1019950024930A KR0167881B1 (ko) | 1994-11-28 | 1995-08-14 | 웨이퍼 반송 시스템 및 그 제어방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940033468A KR0138860B1 (ko) | 1994-12-09 | 1994-12-09 | 초격 회절판 구조의 분배 브락 반사경을 갖는 반도체 레이저 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960027095A KR960027095A (ko) | 1996-07-22 |
KR0138860B1 true KR0138860B1 (ko) | 1998-06-01 |
Family
ID=19400846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940033468A KR0138860B1 (ko) | 1994-11-28 | 1994-12-09 | 초격 회절판 구조의 분배 브락 반사경을 갖는 반도체 레이저 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5497393A (ko) |
JP (1) | JP2625088B2 (ko) |
KR (1) | KR0138860B1 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970055001A (ko) * | 1995-12-22 | 1997-07-31 | 양승택 | 조화 수동 모드 록킹의 반도체 레이저 |
US5715271A (en) * | 1996-08-01 | 1998-02-03 | Northern Telecom Limited | Polarization independent grating resonator filter |
JP2973943B2 (ja) * | 1996-10-11 | 1999-11-08 | 日本電気株式会社 | モード同期半導体レーザ及びその駆動方法 |
AUPQ300199A0 (en) * | 1999-09-21 | 1999-10-14 | University Of Sydney, The | A grating design |
SE515198C2 (sv) * | 2000-03-02 | 2001-06-25 | Altitun Ab | Metod för att framställa distribuerade reflektorer, jämte dylika reflektorer |
US6937638B2 (en) * | 2000-06-09 | 2005-08-30 | Agility Communications, Inc. | Manufacturable sampled grating mirrors |
WO2002075867A2 (en) * | 2001-03-19 | 2002-09-26 | Bookham Technology | Tuneable laser |
GB2373631B (en) * | 2001-03-19 | 2005-06-29 | Marconi Caswell Ltd | Tuneable laser |
GB2377549A (en) * | 2001-07-14 | 2003-01-15 | Marconi Caswell Ltd | Tuneable laser |
US6690694B2 (en) | 2001-11-08 | 2004-02-10 | Intel Corporation | Thermally wavelength tunable lasers |
US6903379B2 (en) * | 2001-11-16 | 2005-06-07 | Gelcore Llc | GaN based LED lighting extraction efficiency using digital diffractive phase grating |
US7130124B2 (en) * | 2003-04-30 | 2006-10-31 | Tri Quint Semiconductor, Inc. | Average pitch gratings for optical filtering applications |
US6826223B1 (en) | 2003-05-28 | 2004-11-30 | The United States Of America As Represented By The Secretary Of The Navy | Surface-emitting photonic crystal distributed feedback laser systems and methods |
GB2418995B (en) * | 2004-09-29 | 2006-08-16 | Bookham Technology Plc | Apodised binary grating |
WO2009107808A1 (ja) * | 2008-02-29 | 2009-09-03 | 株式会社フジクラ | 基板型光導波路素子、波長分散補償素子およびその設計方法、光フィルタおよびその設計方法、ならびに光共振器およびその設計方法 |
CN101952755B (zh) * | 2008-02-29 | 2014-11-05 | 株式会社藤仓 | 基板型光波导元件、波长色散补偿元件、光滤波器、光共振器以及它们的设计方法 |
CN101952753B (zh) * | 2008-02-29 | 2013-02-06 | 株式会社藤仓 | 光波导元件、波长色散补偿元件及其设计方法、滤光器及其设计方法、以及光谐振器及其设计方法 |
WO2009107811A1 (ja) * | 2008-02-29 | 2009-09-03 | 株式会社フジクラ | 基板型光導波路素子、波長分散補償素子、光フィルタならびに光共振器、およびそれらの設計方法 |
JP6186864B2 (ja) * | 2012-05-18 | 2017-08-30 | 住友電気工業株式会社 | 半導体レーザ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970959A (en) * | 1973-04-30 | 1976-07-20 | The Regents Of The University Of California | Two dimensional distributed feedback devices and lasers |
US4464762A (en) * | 1982-02-22 | 1984-08-07 | Bell Telephone Laboratories, Incorporated | Monolithically integrated distributed Bragg reflector laser |
US4905253A (en) * | 1989-01-27 | 1990-02-27 | American Telephone And Telegraph Company | Distributed Bragg reflector laser for frequency modulated communication systems |
US5091916A (en) * | 1990-09-28 | 1992-02-25 | At&T Bell Laboratories | Distributed reflector laser having improved side mode suppression |
US5325392A (en) * | 1992-03-06 | 1994-06-28 | Nippon Telegraph And Telephone Corporation | Distributed reflector and wavelength-tunable semiconductor laser |
FR2690572B1 (fr) * | 1992-04-24 | 1994-07-22 | France Telecom | Structure laser a retroaction repartie. |
US5379318A (en) * | 1994-01-31 | 1995-01-03 | Telefonaktiebolaget L M Ericsson | Alternating grating tunable DBR laser |
-
1994
- 1994-12-09 KR KR1019940033468A patent/KR0138860B1/ko not_active IP Right Cessation
- 1994-12-19 US US08/359,186 patent/US5497393A/en not_active Expired - Fee Related
- 1994-12-19 JP JP6315385A patent/JP2625088B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR960027095A (ko) | 1996-07-22 |
US5497393A (en) | 1996-03-05 |
JPH08162710A (ja) | 1996-06-21 |
JP2625088B2 (ja) | 1997-06-25 |
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