JP4946439B2 - 偏光変調レーザ装置 - Google Patents
偏光変調レーザ装置 Download PDFInfo
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- JP4946439B2 JP4946439B2 JP2006529137A JP2006529137A JP4946439B2 JP 4946439 B2 JP4946439 B2 JP 4946439B2 JP 2006529137 A JP2006529137 A JP 2006529137A JP 2006529137 A JP2006529137 A JP 2006529137A JP 4946439 B2 JP4946439 B2 JP 4946439B2
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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]
- H01S5/18341—Intra-cavity contacts
-
- 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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
- H01S5/04257—Electrodes, e.g. characterised by the structure characterised by the configuration having positive and negative electrodes on the same side of the substrate
-
- 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
- H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
- H01S5/0608—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by light, e.g. optical switch
- H01S5/0609—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by light, e.g. optical switch acting on an absorbing region, e.g. wavelength convertors
-
- 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]
- H01S5/18302—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] comprising an integrated optical modulator
-
- 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
-
- 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
- H01S5/18338—Non-circular shape of the 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
- H01S5/18—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
- H01S5/1835—Non-circular mesa
-
- 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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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Description
2 n型ブラッグ反射ミラー
3 第1のnクラッド層
4 量子細線吸収変調層
5 バリア層
6 第1のpクラッド層
7 高抵抗AlGaAs層
8 第2のnクラッド層
9 量子井戸活性層
10 第2のpクラッド層
11 高抵抗層
12 p型AlGaAs層
13 p型ブラッグ反射ミラー
14 開口
15,17 p電極
16,18 n電極
201 n型基板
202 第1のnクラッド層
203 第1の量子細線活性層
204 pクラッド層
205 第2の量子細線活性層
206 第2のnクラッド層
207 コンタクト層
208 第1の誘電体多層膜ミラー
209 第2の誘電体多層膜ミラー
210 第1のn電極
211 p電極
212 第2のn電極
301 第1のp型ブラッグ反射ミラー
302 i−AlGaAs層
303 分数層超格子
304 nコンタクト/高抵抗層
305 光路長可変媒質
306 第2のp型ブラッグ反射ミラー
307 p電極
308 p電極
309 バイアス電圧
310 バイアス電圧
Claims (7)
- レーザ光を偏光変調して出力する偏光変調レーザ装置であって、
第1の反射ミラーと、
光学的利得を得るための利得媒質を含む層と、
第2の反射ミラーと、
前記第1の反射ミラーと前記第2の反射ミラーとによって形成される共振器と前記利得媒質を含む層とによって発振したレーザ光を、前記第1の反射ミラー又は前記第2の反射ミラーの面に対して垂直方向に出力する出力部と、
前記出力するレーザ光を、電気的な手段によって第1の偏光方向に固定する第1の偏光制御構造と、
前記出力するレーザ光を、前記第1の偏光方向とは別の第2の偏光方向に向ける第2の偏光制御構造とを備え、
前記第1の偏光制御構造は、前記レーザ光に対する光吸収係数を電気的な手段によって変化させる吸収変調構造を含み、
前記吸収変調構造は、前記レーザ光の出力方向に垂直な面に対して平行な面内における光吸収係数に光学的な異方性を有し、
前記吸収変調構造と前記利得媒質を含む層とが電気的に分離しており、
前記第2の偏光制御構造は、前記レーザ光の出力方向において前記吸収変調構造と対向する位置に設けられた光導波路を含み、
前記光導波路は、前記レーザ光の進行方向に対して垂直な面の断面が矩形であり、当該矩形の長辺側の光導波損失が短辺側の光導波損失より大きく、前記長辺方向が前記第1の偏光方向と平行にならない向きに配置されていることを特徴とする偏光変調レーザ装置。 - 吸収変調構造は、電気的な手段として、電界の印加によってレーザ光に対する光吸収係数を変化させる請求項1に記載の偏光変調レーザ装置。
- 吸収変調構造は、レーザ光の出力方向に垂直な面に対して平行な面内における最小寸法が50nm以下である請求項1または請求項2に記載の偏光変調レーザ装置。
- 吸収変調構造は、量子細線、量子ドット又は分数層超格子を含む請求項1から請求項3のうちのいずれか1項に記載の偏光変調レーザ装置。
- 第1の反射ミラー及び第2の反射ミラーは、多層膜構造を有し、
利得媒質を含む層及び第1の偏光制御構造が有する吸収変調構造は、半導体層であり、 前記第1の反射ミラーと、前記第2の反射ミラーと、前記利得媒質を含む層と、前記吸収変調構造とが、基板上に積層されている請求項1から請求項4のうちのいずれか1項に記載の偏光変調レーザ装置。 - 第1の反射ミラー及び第2の反射ミラーは、半導体多層膜構造を有する請求項5記載の偏光変調レーザ装置。
- 第1の反射ミラーと、第2の反射ミラーと、利得媒質を含む層と、吸収変調構造とが積層される基板は、半導体基板である請求項5記載の偏光変調レーザ装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006529137A JP4946439B2 (ja) | 2004-07-30 | 2005-07-14 | 偏光変調レーザ装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004223015 | 2004-07-30 | ||
JP2004223015 | 2004-07-30 | ||
PCT/JP2005/013032 WO2006011370A1 (ja) | 2004-07-30 | 2005-07-14 | 偏光変調レーザ装置 |
JP2006529137A JP4946439B2 (ja) | 2004-07-30 | 2005-07-14 | 偏光変調レーザ装置 |
Publications (2)
Publication Number | Publication Date |
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JPWO2006011370A1 JPWO2006011370A1 (ja) | 2008-05-01 |
JP4946439B2 true JP4946439B2 (ja) | 2012-06-06 |
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JP2006529137A Expired - Fee Related JP4946439B2 (ja) | 2004-07-30 | 2005-07-14 | 偏光変調レーザ装置 |
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JP (1) | JP4946439B2 (ja) |
WO (1) | WO2006011370A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015079831A (ja) | 2013-10-16 | 2015-04-23 | セイコーエプソン株式会社 | 発光装置および原子発振器 |
US9843160B1 (en) * | 2016-12-29 | 2017-12-12 | X Development Llc | Integrated digital laser |
US11575246B2 (en) * | 2018-11-09 | 2023-02-07 | Meta Platforms Technologies, Llc | Wafer level optic and zoned wafer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09260765A (ja) * | 1996-03-18 | 1997-10-03 | Olympus Optical Co Ltd | 面発光半導体レーザ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04144183A (ja) * | 1990-10-04 | 1992-05-18 | Seiko Epson Corp | 面発光型半導体レーザ |
JPH05308173A (ja) * | 1992-04-30 | 1993-11-19 | Nec Corp | 半導体レーザ |
JP2875929B2 (ja) * | 1992-10-09 | 1999-03-31 | シャープ株式会社 | 半導体レーザ素子およびその製造方法 |
JP2891133B2 (ja) * | 1994-10-24 | 1999-05-17 | 日本電気株式会社 | 面発光レーザ及び面発光レーザアレイ及び光情報処理装置 |
JP3541539B2 (ja) * | 1996-02-01 | 2004-07-14 | 富士通株式会社 | 面発光半導体レーザ |
JPH1022571A (ja) * | 1996-07-02 | 1998-01-23 | Canon Inc | Teモード損失選択制御偏波変調半導体レーザ |
JP4010095B2 (ja) * | 1999-10-01 | 2007-11-21 | 富士ゼロックス株式会社 | 面発光型半導体レーザ及びレーザアレイ |
-
2005
- 2005-07-14 WO PCT/JP2005/013032 patent/WO2006011370A1/ja active Application Filing
- 2005-07-14 JP JP2006529137A patent/JP4946439B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09260765A (ja) * | 1996-03-18 | 1997-10-03 | Olympus Optical Co Ltd | 面発光半導体レーザ |
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Publication number | Publication date |
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WO2006011370A1 (ja) | 2006-02-02 |
JPWO2006011370A1 (ja) | 2008-05-01 |
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