JP6557753B2 - レーザ素子及びレーザ装置 - Google Patents
レーザ素子及びレーザ装置 Download PDFInfo
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- JP6557753B2 JP6557753B2 JP2018084337A JP2018084337A JP6557753B2 JP 6557753 B2 JP6557753 B2 JP 6557753B2 JP 2018084337 A JP2018084337 A JP 2018084337A JP 2018084337 A JP2018084337 A JP 2018084337A JP 6557753 B2 JP6557753 B2 JP 6557753B2
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- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
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- 238000004544 sputter deposition Methods 0.000 description 4
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 4
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 3
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- 229910004298 SiO 2 Inorganic materials 0.000 description 2
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- 239000003570 air Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
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- 238000002834 transmittance Methods 0.000 description 2
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 2
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
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- 239000007772 electrode material Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
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- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 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
- H01S5/11—Comprising a photonic bandgap 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
- H01S5/185—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL]
- H01S5/187—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] using Bragg reflection
-
- 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
- H01S5/4075—Beam steering
-
- 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
- H01S5/42—Arrays of surface emitting 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
- H01S2301/00—Functional characteristics
- H01S2301/18—Semiconductor lasers with special structural design for influencing the near- or far-field
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/20—Lasers with a special output beam profile or cross-section, e.g. non-Gaussian
-
- 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
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0071—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for beam steering, e.g. using a mirror outside the cavity to change the beam direction
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Description
この場合、偏光板を通過した後のレーザ光の強度Iは、以下の通りとなる。
Claims (3)
- レーザ光の入射されるフォトニック結晶層を備えたレーザ素子において、
前記フォトニック結晶層は、
第1屈折率媒質からなる基本層と、
前記第1屈折率媒質とは屈折率の異なる第2屈折率媒質からなり前記基本層内に存在する複数の異屈折率領域と、
を備え、
複数の前記異屈折率領域は、
平面形状が概略円形又は概略正方形又は90°の回転対称性を有する概略多角形であり、厚み方向に垂直な第1面積を有する第1異屈折率領域と、
厚み方向に垂直な第2面積を有する第2異屈折率領域と、
を備え、
前記第1異屈折率領域の重心位置は、三角格子の格子点に位置し、
前記第2面積は、前記第1面積よりも小さく、
単位構成領域が、1つの前記第1異屈折率領域と、この周囲の最も近くに設けられた1つの前記第2異屈折率領域とからなることとし、これら一対の異屈折率領域のみが各単位構成領域内に存在し、
最も近くで隣接する前記第1異屈折率領域の重心位置間を接続した線分を規定し、この線分の垂直二等分線で囲まれた領域のうち、1つの前記第1異屈折率領域の全て含まれる最小の領域が、それぞれの前記単位構成領域であり、この単位構成領域内において、前記一対の異屈折率領域の全てが、位置しており、
前記単位構成領域内における、前記第1異屈折率領域に対する前記第2異屈折率領域の回転角度をφとし、
X軸及びY軸を含むXY平面内において、複数の前記単位構成領域が二次元的に配置されており、
それぞれの前記単位構成領域のXY座標をそれぞれの前記第1異屈折率領域の重心位置で与えられることとし、
前記単位構成領域のXY座標が(X,Y)の場合には、回転角度φが座標により異なっており、前記フォトニック結晶層の全体の中で、少なくとも3以上の異なる回転角度φを含むことを特徴とするレーザ素子。 - 前記レーザ光を発生する活性層と、
前記活性層を挟む上部及び下部クラッド層と、
前記上部又は下部クラッド層と前記活性層との間に設けられた前記フォトニック結晶層と、を備えることを特徴とする請求項1に記載のレーザ素子。 - 請求項1又は2に記載のレーザ素子と、
前記レーザ素子の光出射面に対向配置された偏光板と、
を備えることを特徴とするレーザ装置。
Applications Claiming Priority (2)
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JP2013045826 | 2013-03-07 | ||
JP2013045826 | 2013-03-07 |
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JP2015504455A Division JP6333804B2 (ja) | 2013-03-07 | 2014-03-07 | レーザ素子及びレーザ装置 |
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JP2018113490A JP2018113490A (ja) | 2018-07-19 |
JP6557753B2 true JP6557753B2 (ja) | 2019-08-07 |
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JP2018084337A Active JP6557753B2 (ja) | 2013-03-07 | 2018-04-25 | レーザ素子及びレーザ装置 |
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US (1) | US9748737B2 (ja) |
JP (2) | JP6333804B2 (ja) |
DE (1) | DE112014001143B4 (ja) |
WO (1) | WO2014136962A1 (ja) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US10389088B2 (en) * | 2015-03-13 | 2019-08-20 | Hamamatsu Photonics K.K. | Semiconductor light emitting element |
US10461502B2 (en) * | 2016-02-29 | 2019-10-29 | Kyoto University | Two-dimensional photonic crystal surface emitting laser and method of manufacturing the same |
US9991669B2 (en) | 2016-07-25 | 2018-06-05 | Hamamatsu Photonics K.K. | Semiconductor light-emitting device and manufacturing method for the same |
JP6747910B2 (ja) * | 2016-08-10 | 2020-08-26 | 浜松ホトニクス株式会社 | 発光装置 |
US11031751B2 (en) | 2016-08-10 | 2021-06-08 | Hamamatsu Photonics K.K. | Light-emitting device |
US10734786B2 (en) * | 2016-09-07 | 2020-08-04 | Hamamatsu Photonics K.K. | Semiconductor light emitting element and light emitting device including same |
JP6747922B2 (ja) * | 2016-09-07 | 2020-08-26 | 浜松ホトニクス株式会社 | 半導体発光素子及び発光装置 |
WO2018159606A1 (ja) * | 2017-02-28 | 2018-09-07 | 国立大学法人京都大学 | フォトニック結晶レーザ |
JP2018164049A (ja) * | 2017-03-27 | 2018-10-18 | 浜松ホトニクス株式会社 | 半導体発光装置 |
US11646546B2 (en) | 2017-03-27 | 2023-05-09 | Hamamatsu Photonics K.K. | Semiconductor light emitting array with phase modulation regions for generating beam projection patterns |
WO2018181202A1 (ja) * | 2017-03-27 | 2018-10-04 | 浜松ホトニクス株式会社 | 半導体発光素子およびその製造方法 |
US11637409B2 (en) * | 2017-03-27 | 2023-04-25 | Hamamatsu Photonics K.K. | Semiconductor light-emitting module and control method therefor |
JP7081906B2 (ja) * | 2017-06-02 | 2022-06-07 | 浜松ホトニクス株式会社 | 半導体発光素子及び半導体発光素子の位相変調層設計方法 |
JP6959042B2 (ja) | 2017-06-15 | 2021-11-02 | 浜松ホトニクス株式会社 | 発光装置 |
JP7036567B2 (ja) * | 2017-10-20 | 2022-03-15 | 浜松ホトニクス株式会社 | 半導体発光素子 |
US11894658B2 (en) | 2017-11-29 | 2024-02-06 | Vixar, Inc. | Power monitoring approach for VCSELS and VCSEL arrays |
JP7015684B2 (ja) * | 2017-12-08 | 2022-02-03 | 浜松ホトニクス株式会社 | 位相変調層設計方法 |
WO2019111786A1 (ja) * | 2017-12-08 | 2019-06-13 | 浜松ホトニクス株式会社 | 発光装置およびその製造方法 |
JP7109179B2 (ja) * | 2017-12-08 | 2022-07-29 | 浜松ホトニクス株式会社 | 発光装置 |
US11626709B2 (en) | 2017-12-08 | 2023-04-11 | Hamamatsu Photonics K.K. | Light-emitting device and production method for same |
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