CN112088473A - 一种激光器的偏置电流控制方法及装置 - Google Patents

一种激光器的偏置电流控制方法及装置 Download PDF

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CN112088473A
CN112088473A CN201880093283.5A CN201880093283A CN112088473A CN 112088473 A CN112088473 A CN 112088473A CN 201880093283 A CN201880093283 A CN 201880093283A CN 112088473 A CN112088473 A CN 112088473A
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current
optical power
laser
output optical
backlight
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CN112088473B (zh
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李漓江
伍兵
刘奉杰
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Huawei Technologies Co Ltd
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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
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Semiconductor Lasers (AREA)

Abstract

一种激光器的偏置电流控制方法及装置，使得激光器在老化后仍可以偏置在最佳工作点。方法包括：将电流扰动信号输入激光器；采集激光器的背光电流，该背光电流用于指示输入电流扰动信号后激光器的输出光功率；然后，根据背光电流和电流扰动信号确定激光器的阈值电流；最后，在阈值电流上叠加加权电流值，得到激光器的偏置电流。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN201880093283.5A 2018-05-15 2018-05-15 一种激光器的偏置电流控制方法及装置 Active CN112088473B (zh)

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PCT/CN2018/086924 WO2019218166A1 (zh) 2018-05-15 2018-05-15 一种激光器的偏置电流控制方法及装置

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CN117233457A (zh) * 2023-11-16 2023-12-15 成都明夷电子科技有限公司 一种测试激光器高速调制电流的方法及设备
CN117405626A (zh) * 2023-12-13 2024-01-16 合肥金星智控科技股份有限公司 一种中红外tdlas红外辐射背景扣除装置及方法、采集系统

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117233457A (zh) * 2023-11-16 2023-12-15 成都明夷电子科技有限公司 一种测试激光器高速调制电流的方法及设备
CN117233457B (zh) * 2023-11-16 2024-03-12 成都明夷电子科技有限公司 一种测试激光器高速调制电流的方法及设备
CN117405626A (zh) * 2023-12-13 2024-01-16 合肥金星智控科技股份有限公司 一种中红外tdlas红外辐射背景扣除装置及方法、采集系统
CN117405626B (zh) * 2023-12-13 2024-04-02 合肥金星智控科技股份有限公司 一种中红外tdlas红外辐射背景扣除装置及方法、采集系统

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