CN112740492A - 半导体激光器、光发射组件、光线路终端及光网络单元 - Google Patents

半导体激光器、光发射组件、光线路终端及光网络单元 Download PDF

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CN112740492A
CN112740492A CN201980061913.5A CN201980061913A CN112740492A CN 112740492 A CN112740492 A CN 112740492A CN 201980061913 A CN201980061913 A CN 201980061913A CN 112740492 A CN112740492 A CN 112740492A
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layer
region
grating
laser
semiconductor laser
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CN112740492B (zh
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程远兵
戴竞
董英华
杨素林
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
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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
    • H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] 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
    • H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/1206—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods
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    • H01S5/00—Semiconductor lasers
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    • H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/124—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers incorporating phase shifts
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    • H01S5/00—Semiconductor lasers
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    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06226—Modulation at ultra-high frequencies
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    • H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
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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
    • H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/1228—DFB lasers with a complex coupled grating, e.g. gain or loss coupling
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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
    • H01S5/12—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 the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/125—Distributed Bragg reflector [DBR] lasers
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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
    • H—ELECTRICITY
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    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
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    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
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    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0246—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU using one wavelength per ONU
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    • H01S2301/00—Functional characteristics
    • H01S2301/16—Semiconductor lasers with special structural design to influence the modes, e.g. specific multimode
    • H01S2301/163—Single longitudinal mode
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    • 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
    • H01S5/0287—Facet reflectivity
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    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
    • H01S5/06255—Controlling the frequency of the radiation
    • H01S5/06256—Controlling the frequency of the radiation with DBR-structure
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    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
    • H01S5/06255—Controlling the frequency of the radiation
    • H01S5/06258—Controlling the frequency of the radiation with DFB-structure
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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
    • H01S5/1039—Details on the cavity length

Abstract

本申请实施例提供一种半导体激光器、光发射组件、光线路终端及光网络单元，半导体激光器包括衬底和在衬底上依次形成的下波导层、下限制层、中心层、上限制层、光栅层、上波导层和电极层；滤波区内上限制层、中心层和下限制层构成滤波区的芯层；滤波区的光栅层包括倾斜光栅。本申请可减小调制啁啾，减小传输光脉冲的色散。

Description

PCT国内申请，说明书已公开。

Claims (22)

  1. PCT国内申请，权利要求书已公开。
CN201980061913.5A 2019-01-04 2019-01-04 半导体激光器、光发射组件、光线路终端及光网络单元 Active CN112740492B (zh)

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CN116387976A (zh) * 2023-06-05 2023-07-04 福建慧芯激光科技有限公司 一种具有内嵌式多阶光栅的边发射激光器的制备方法

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JP7458885B2 (ja) 2020-01-28 2024-04-01 日本ルメンタム株式会社 半導体光増幅器集積レーザ
CA3186204A1 (en) * 2020-07-23 2022-01-27 Sylvain Boudreau Semiconductor lasers with improved frequency modulation response
CN117203149A (zh) 2021-04-30 2023-12-08 三菱电机楼宇解决方案株式会社 乘客输送机用移动扶手的引导辊更换辅具
CN113823993B (zh) * 2021-11-23 2022-03-01 日照市艾锐光电科技有限公司 一种集成表面光栅有源滤波器的半导体激光器

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114094438A (zh) * 2022-01-24 2022-02-25 日照市艾锐光电科技有限公司 一种双电极共调制发射激光器
CN114094438B (zh) * 2022-01-24 2022-05-31 日照市艾锐光电科技有限公司 一种双电极共调制发射激光器
CN116387976A (zh) * 2023-06-05 2023-07-04 福建慧芯激光科技有限公司 一种具有内嵌式多阶光栅的边发射激光器的制备方法
CN116387976B (zh) * 2023-06-05 2023-12-29 福建慧芯激光科技有限公司 一种具有内嵌式多阶光栅的边发射激光器的制备方法

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EP3869640A4 (en) 2021-12-29
EP3869640A1 (en) 2021-08-25
WO2020140286A1 (zh) 2020-07-09
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