JP5484592B2 - 高線形出力のレーザシステム - Google Patents
高線形出力のレーザシステム Download PDFInfo
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- JP5484592B2 JP5484592B2 JP2012547555A JP2012547555A JP5484592B2 JP 5484592 B2 JP5484592 B2 JP 5484592B2 JP 2012547555 A JP2012547555 A JP 2012547555A JP 2012547555 A JP2012547555 A JP 2012547555A JP 5484592 B2 JP5484592 B2 JP 5484592B2
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- 239000000835 fiber Substances 0.000 claims description 68
- 239000004065 semiconductor Substances 0.000 claims description 59
- 239000013307 optical fiber Substances 0.000 claims description 49
- 230000005855 radiation Effects 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000001069 Raman spectroscopy Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 18
- 230000000694 effects Effects 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000002310 reflectometry Methods 0.000 description 9
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 7
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 description 7
- 229910052691 Erbium Inorganic materials 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- FTWRSWRBSVXQPI-UHFFFAOYSA-N alumanylidynearsane;gallanylidynearsane Chemical compound [As]#[Al].[As]#[Ga] FTWRSWRBSVXQPI-UHFFFAOYSA-N 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
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
- H01S5/10—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
- H01S5/14—External cavity lasers
- H01S5/146—External cavity lasers using a fiber as external cavity
- H01S5/147—External cavity lasers using a fiber as external cavity having specially shaped fibre, e.g. lensed or tapered end portion
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/30—Optical coupling means for use between fibre and thin-film device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4202—Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
- G02B6/4203—Optical features
-
- 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
- H01S5/1003—Waveguide having a modified shape along the axis, e.g. branched, curved, tapered, voids
- H01S5/101—Curved waveguide
-
- 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
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
-
- 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
- H01S5/06—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
- H01S5/1082—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 with a special facet structure, e.g. structured, non planar, oblique
- H01S5/1085—Oblique facets
Description
ω=arcsin[sin(α)×n1/n2]−φ、
式中、n1及びn2は、それぞれ、光ファイバ及び周辺媒体の屈折率であり、φは、前端面の面での光放射の屈折角であり、αは、レンズ先端の面での光放射の屈折角である。
Claims (16)
- 利得素子を含み、且つ、半導体導波路の後端面及び前端面により画定される半導体導波路であって、前記前端面の一面がレーザモードの伝播方向に直交しないように配置される半導体導波路と、
光ファイバと前記半導体導波路の前記前端面との間の放射を結合させるファイバレンズを備えた光ファイバ導波路であって、前記ファイバレンズは、前記伝播方向に対して非直交であってかつ前記前端面の前記一面と実質的に平行に配置される実質的に平坦な面を有する光ファイバ導波路と、
前記光ファイバ内に配置される波長選択式反射器であって、前記後端面と前記波長選択式反射器との間にレーザ共振器を形成する波長選択式反射器と
を含む、レーザ装置。 - 前記半導体導波路が、湾曲部分を含み、前記前端面の法線に対して一の角度で、前記後端面の法線に平行に、光放射を誘導するように設定される、請求項1に記載のレーザ装置。
- 前記ファイバレンズが、光放射の双方向伝搬を可能にするモード整合素子として設定される、請求項1及び2に記載のレーザ装置。
- 前記前端面の面と前記ファイバレンズの面との間の角度(ω)が、以下の関係式により定められるように、前記ファイバレンズが整合され、
ω=arcsin[sin(α)×n1/n2]−φ、
n1及びn2は、それぞれ、前記光ファイバ及び周辺媒体の屈折率であり、φは、前記前端面の面での光放射の屈折角であり、αは、前記ファイバレンズの面での光放射の屈折角である、請求項1〜3のいずれか1項に記載のレーザ装置。 - φの範囲が、4.5〜60°である、請求項4に記載のレーザ装置。
- αの範囲が、2°〜35°である、請求項4及び5に記載のレーザ装置。
- 前記ファイバレンズから反射される光放射の一部が、角度γ=φ+2ωで反射されるように、前記ファイバレンズが設定され、γは、2°よりも大きい、請求項4〜6のいずれか1項に記載のレーザ装置。
- 前記利得素子の前記前端面での前記光放射の屈折角の範囲が、4.5°〜20°である、請求項4に記載のレーザ装置。
- 前記ファイバレンズの面での前記光放射の屈折角の範囲が、3°〜13.3°である、請求項8に記載のレーザ装置。
- 前記前端面が、反射防止膜を含む、請求項1〜9のいずれか1項に記載のレーザ装置。
- 前記ファイバレンズが、反射防止膜を含む、請求項1〜10のいずれか1項に記載のレーザ装置。
- 前記波長選択式反射器が、前記レーザ装置を、一の波長に固定する、請求項1〜11のいずれか1項に記載のレーザ装置。
- 前記波長選択式反射器の帯域が、10pm〜5nmである、請求項1〜12のいずれか1項に記載のレーザ装置。
- 前記波長選択式反射器の反射率の範囲が、0.5%〜20%である、請求項1〜13のいずれか1項に記載のレーザ装置。
- 前記導波路の非直交部分が、前記前端面の面の法線に対して1.5°〜15°の角度で配置される、請求項1〜14のいずれか1項に記載のレーザ装置。
- 前記光ファイバが、エルビウム添加ファイバ増幅器とラマン増幅器のうちの少なくとも1つに結合される、請求項1〜15のいずれか1項に記載のレーザ装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29323610P | 2010-01-08 | 2010-01-08 | |
US61/293,236 | 2010-01-08 | ||
PCT/IB2010/002047 WO2011083359A1 (en) | 2010-01-08 | 2010-08-19 | Laser system with highly linear output |
Publications (2)
Publication Number | Publication Date |
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JP2013516779A JP2013516779A (ja) | 2013-05-13 |
JP5484592B2 true JP5484592B2 (ja) | 2014-05-07 |
Family
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Family Applications (1)
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JP2012547555A Active JP5484592B2 (ja) | 2010-01-08 | 2010-08-19 | 高線形出力のレーザシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8526103B2 (ja) |
EP (1) | EP2522057B1 (ja) |
JP (1) | JP5484592B2 (ja) |
CN (2) | CN107017555B (ja) |
WO (1) | WO2011083359A1 (ja) |
Families Citing this family (8)
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US8498507B2 (en) * | 2011-05-13 | 2013-07-30 | Kestrel Labs, Inc. | Anti-reflective launch optics for laser to fiber coupling in a photoplethysmograpic device |
JP5837015B2 (ja) * | 2013-09-30 | 2015-12-24 | 沖電気工業株式会社 | 半導体レーザモジュール及びその製造方法 |
US10186829B2 (en) | 2016-05-10 | 2019-01-22 | Ii-Vi Incorporated | Compact laser source with wavelength stabilized output |
CN107785776B (zh) * | 2017-10-17 | 2020-03-17 | 中国科学院半导体研究所 | 弯曲锥形光子晶体激光器及阵列、阵列光源组 |
GB201719629D0 (en) * | 2017-11-24 | 2018-01-10 | Spi Lasers Uk Ltd | Apparatus for providing optical radiation |
EP4213318A1 (en) * | 2020-09-09 | 2023-07-19 | Furukawa Electric Co., Ltd. | Light source, light source device, method for driving light source, raman amplifier, and raman amplification system |
WO2022184868A1 (en) * | 2021-03-05 | 2022-09-09 | Rockley Photonics Limited | Waveguide facet interface |
CN114323334A (zh) * | 2021-12-31 | 2022-04-12 | 中国空气动力研究与发展中心超高速空气动力研究所 | 一种外部结构增敏的光纤fp温度传感器及其制备方法 |
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-
2010
- 2010-08-19 CN CN201611024431.7A patent/CN107017555B/zh active Active
- 2010-08-19 JP JP2012547555A patent/JP5484592B2/ja active Active
- 2010-08-19 EP EP10760760.8A patent/EP2522057B1/en active Active
- 2010-08-19 US US12/993,617 patent/US8526103B2/en active Active
- 2010-08-19 WO PCT/IB2010/002047 patent/WO2011083359A1/en active Application Filing
- 2010-08-19 CN CN2010800652768A patent/CN102782968A/zh active Pending
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Publication number | Publication date |
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CN107017555B (zh) | 2018-11-06 |
CN102782968A (zh) | 2012-11-14 |
CN107017555A (zh) | 2017-08-04 |
US8526103B2 (en) | 2013-09-03 |
JP2013516779A (ja) | 2013-05-13 |
EP2522057A1 (en) | 2012-11-14 |
US20110292496A1 (en) | 2011-12-01 |
WO2011083359A1 (en) | 2011-07-14 |
EP2522057B1 (en) | 2017-03-22 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |