JP7310897B2 - 面発光レーザの作製方法 - Google Patents
面発光レーザの作製方法 Download PDFInfo
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- JP7310897B2 JP7310897B2 JP2021541806A JP2021541806A JP7310897B2 JP 7310897 B2 JP7310897 B2 JP 7310897B2 JP 2021541806 A JP2021541806 A JP 2021541806A JP 2021541806 A JP2021541806 A JP 2021541806A JP 7310897 B2 JP7310897 B2 JP 7310897B2
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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]
- H01S5/18344—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
- H01S5/18347—Mesa comprising active layer
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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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/305—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure
- H01S5/3095—Tunnel junction
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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]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
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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]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
- H01S5/18377—Structure of the reflectors, e.g. hybrid mirrors comprising layers of different kind of materials, e.g. combinations of semiconducting with dielectric or metallic layers
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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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2054—Methods of obtaining the confinement
- H01S5/2081—Methods of obtaining the confinement using special etching techniques
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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]
- H01S5/18305—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] with emission through the substrate, i.e. bottom emission
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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]
- H01S5/18358—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] containing spacer layers to adjust the phase of the light wave in the cavity
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2054—Methods of obtaining the confinement
- H01S5/2081—Methods of obtaining the confinement using special etching techniques
- H01S5/2086—Methods of obtaining the confinement using special etching techniques lateral etch control, e.g. mask induced
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Semiconductor Lasers (AREA)
Description
Claims (4)
- 基板の上に、各々屈折率が異なる化合物半導体の層を交互に積層した分布ブラッグ反射構造の第1反射層を形成する第1工程と、
前記第1反射層の上に、化合物半導体からなる活性層を形成する第2工程と、
前記活性層および前記第1反射層の一部をエッチングして柱状部を形成する第3工程と、
前記柱状部の周囲の前記第1反射層の上に埋込層を形成して前記柱状部を埋め込む第4工程と、
前記柱状部および前記埋込層の上に、各々屈折率が異なる化合物半導体の層を交互に積層した分布ブラッグ反射構造の第2反射層を形成する第5工程と
を備え、
前記第1反射層は、1/(4nλ)の奇数倍の厚さとされて交互に積層されている一方の化合物半導体から構成された半導体層を有し、
前記第3工程は、ドライエッチングにより前記第1反射層を前記半導体層の位置までエッチングし、次いで交互に積層されている他方の化合物半導体に対して一方の化合物半導体が選択的にエッチングされる条件のエッチング処理で前記半導体層を除去することで前記柱状部を形成する
ことを特徴とする面発光レーザの作製方法。 - 請求項1記載の面発光レーザの作製方法において、
前記活性層の上にpn接合によるトンネル接合層を形成する第6工程をさらに備え、
前記第3工程は、前記トンネル接合層、前記活性層、および前記第1反射層の一部をエッチングして前記柱状部を形成する
ことを特徴とする面発光レーザの作製方法。 - 請求項1または2記載の面発光レーザの作製方法において、
前記第3工程は、前記柱状部を複数形成し、前記柱状部の周囲の前記第1反射層の表面に、同一の半導体からなる層が露出する状態とする
ことを特徴とする面発光レーザの作製方法。 - 請求項1記載の面発光レーザの作製方法において、
前記第1反射層の交互に積層されている一方の化合物半導体は、InPまたはGaAsであり、他方の化合物半導体は、InAlGaAsまたはAlGaAsであることを特徴とする面発光レーザの作製方法。
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JP7310897B2 true JP7310897B2 (ja) | 2023-07-19 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003188471A (ja) | 2001-12-19 | 2003-07-04 | Fuji Xerox Co Ltd | 面発光型半導体レーザ装置及びその製造方法 |
JP2014165222A (ja) | 2013-02-21 | 2014-09-08 | Nippon Telegr & Teleph Corp <Ntt> | 長波長帯面発光レーザ |
JP2017208425A (ja) | 2016-05-17 | 2017-11-24 | 株式会社リコー | 面発光レーザ素子、及びその製造方法、並びに原子発振器 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH0669585A (ja) * | 1992-08-12 | 1994-03-11 | Fujitsu Ltd | 面発光半導体レーザ及びその製造方法 |
JPH09298337A (ja) * | 1996-05-09 | 1997-11-18 | Hitachi Ltd | 半導体分布ブラッグ反射鏡及びそれを用いた面発光型半導体レーザ |
EP0939471B1 (en) * | 1998-02-25 | 2006-05-03 | Nippon Telegraph and Telephone Corporation | Vertical-cavity surface-emitting semiconductor laser |
JP3881467B2 (ja) * | 1998-11-30 | 2007-02-14 | 日本電信電話株式会社 | 面発光レーザ |
JP4066143B2 (ja) * | 2001-03-13 | 2008-03-26 | セイコーエプソン株式会社 | 面発光型半導体レーザおよびその製造方法、光モジュール、光伝達装置 |
JP2005191343A (ja) * | 2003-12-26 | 2005-07-14 | Ricoh Co Ltd | 面発光レーザの製造方法および面発光レーザおよび光伝送システム |
JP5181420B2 (ja) * | 2006-01-31 | 2013-04-10 | 住友電気工業株式会社 | 面発光半導体レーザ |
JP2008071900A (ja) * | 2006-09-13 | 2008-03-27 | Furukawa Electric Co Ltd:The | 面発光レーザ素子及び面発光レーザ素子アレイ |
US9190810B2 (en) * | 2008-07-28 | 2015-11-17 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Three-terminal vertical cavity surface emitting laser (VCSEL) and a method for operating a three-terminal VCSEL |
US11441484B2 (en) * | 2019-03-20 | 2022-09-13 | Seoul Viosys Co., Ltd. | Vertical-cavity surface-emitting laser device |
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- 2019-08-26 JP JP2021541806A patent/JP7310897B2/ja active Active
- 2019-08-26 US US17/632,929 patent/US20220329047A1/en active Pending
- 2019-08-26 WO PCT/JP2019/033230 patent/WO2021038680A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003188471A (ja) | 2001-12-19 | 2003-07-04 | Fuji Xerox Co Ltd | 面発光型半導体レーザ装置及びその製造方法 |
JP2014165222A (ja) | 2013-02-21 | 2014-09-08 | Nippon Telegr & Teleph Corp <Ntt> | 長波長帯面発光レーザ |
JP2017208425A (ja) | 2016-05-17 | 2017-11-24 | 株式会社リコー | 面発光レーザ素子、及びその製造方法、並びに原子発振器 |
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US20220329047A1 (en) | 2022-10-13 |
WO2021038680A1 (ja) | 2021-03-04 |
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