JP2005116933A - 面発光レーザ素子アレイおよび面発光レーザ素子アレイの製造方法 - Google Patents
面発光レーザ素子アレイおよび面発光レーザ素子アレイの製造方法 Download PDFInfo
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- H—ELECTRICITY
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- 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
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- 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
- H01S5/18311—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 using selective oxidation
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- H01S2301/00—Functional characteristics
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- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
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- 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
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- 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
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- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34313—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer having only As as V-compound, e.g. AlGaAs, InGaAs
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- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms
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- 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
- H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
Abstract
【解決手段】 複数個の面発光レーザ素子はそれぞれ活性層および電流狭窄層を含む積層構造体10a,10b,10c,10dを備えている。これら積層構造体10a〜10dにおける電流狭窄部51a,51b,51c,51dの面積を、個々の面発光レーザ素子ごとで出力するレーザ光の波長λに対応した大きさに設定する。これにより複数個の面発光レーザ素子からは発振波長の異なるレーザ光が出力される。
【選択図】 図3
Description
Claims (8)
- 基板上に少なくとも活性層と電流狭窄層とを積層してなる積層構造体を有する複数個の面発光レーザ素子を一つの基板上に配設してなる面発光レーザ素子アレイであって、
前記複数個の面発光レーザ素子が、電流狭窄部の面積の異なる電流狭窄層を備えている
ことを特徴とする面発光レーザ素子アレイ。 - 前記複数個の面発光レーザ素子は、その各々が当該面発光レーザ素子の出力するレーザ光の波長に対応して前記電流狭窄部の面積を設定してなるものである
ことを特徴とする請求項1記載の面発光レーザ素子アレイ。 - 前記複数個の面発光レーザ素子は、前記積層構造体の積層構造および材質が同一であり、前記電流狭窄部の面積のみを異ならせることで前記レーザ光の波長を設定してなるものである
ことを特徴とする請求項2記載の面発光レーザ素子アレイ。 - 前記複数個の面発光レーザ素子は、酸化狭窄によって前記電流狭窄部を形成した電流狭窄層を備えており、前記積層構造体の全体の大きさを異ならせることで、当該積層構造体の全体の大きさに対応して前記電流狭窄部の面積を設定してなるものである
ことを特徴とする請求項2記載の面発光レーザ素子アレイ。 - 前記積層構造体が、ポスト型のメサ構造体である
ことを特徴とする請求項1記載の面発光レーザ素子アレイ。 - 基板上に少なくとも活性層と電流狭窄層とを積層してなる積層構造体を有する複数個の面発光レーザ素子を一つの基板上に配設して面発光レーザ素子アレイを製造するにあたり、
前記複数個の面発光レーザ素子の電流狭窄層における電流狭窄部の面積を、個々の面発光レーザ素子ごとで当該面発光レーザ素子の出力するレーザ光の波長に対応して設定する
ことを特徴とする面発光レーザ素子アレイの製造方法。 - 前記複数個の面発光レーザ素子における前記積層構造体の積層構造および材質を同一とし、前記電流狭窄部の面積のみを異ならせることで前記レーザ光の波長を設定する
ことを特徴とする請求項6記載の面発光レーザ素子アレイの製造方法。 - 前記積層構造体の全体の大きさを、予め前記電流狭窄部の面積に対応した大きさに設定しておき、同一の酸化狭窄プロセスによって前記電流狭窄層を酸化狭窄することで、前記複数個の面発光レーザ素子の電流狭窄層における電流狭窄部の面積を、個々の面発光レーザ素子ごとで当該面発光レーザ素子の出力するレーザ光の波長に対応した面積にする
ことを特徴とする請求項6記載の面発光レーザ素子アレイの製造方法。
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JP2003351935A JP2005116933A (ja) | 2003-10-10 | 2003-10-10 | 面発光レーザ素子アレイおよび面発光レーザ素子アレイの製造方法 |
US10/944,386 US7099364B2 (en) | 2003-10-10 | 2004-09-17 | Vertical-cavity surface-emitting laser device array and method of manufacturing the same |
US11/465,338 US7388893B2 (en) | 2003-10-10 | 2006-08-17 | Vertical-cavity surface-emitting laser device array and method of manufacturing the same |
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- 2003-10-10 JP JP2003351935A patent/JP2005116933A/ja active Pending
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- 2004-09-17 US US10/944,386 patent/US7099364B2/en active Active
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Cited By (11)
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US11984703B2 (en) | 2018-05-10 | 2024-05-14 | Suzhou Lekin Semiconductor Co., Ltd. | Surface emitting laser device and a light emitting device including the same |
KR20200023874A (ko) * | 2018-08-27 | 2020-03-06 | 엘지이노텍 주식회사 | 표면발광 레이저소자 및 이를 포함하는 발광장치 |
KR102635056B1 (ko) * | 2018-08-27 | 2024-02-08 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 표면발광 레이저소자 및 이를 포함하는 발광장치 |
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US20060285568A1 (en) | 2006-12-21 |
US7099364B2 (en) | 2006-08-29 |
US20050078726A1 (en) | 2005-04-14 |
US7388893B2 (en) | 2008-06-17 |
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