CN109716186A - 一种光功率均衡的方法及装置 - Google Patents

一种光功率均衡的方法及装置 Download PDF

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CN109716186A
CN109716186A CN201680089434.0A CN201680089434A CN109716186A CN 109716186 A CN109716186 A CN 109716186A CN 201680089434 A CN201680089434 A CN 201680089434A CN 109716186 A CN109716186 A CN 109716186A
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power
grating section
phase modulation
signal
lcos
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CN201680089434.0A
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CN109716186B (zh
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宗良佳
赵晗
冯志勇
闫云飞
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/29311—Diffractive element operating in transmission
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/29391—Power equalisation of different channels, e.g. power flattening
    • 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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/548—Phase or frequency modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/356—Switching arrangements, i.e. number of input/output ports and interconnection types in an optical cross-connect device, e.g. routing and switching aspects of interconnecting different paths propagating different wavelengths to (re)configure the various input and output links
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3594—Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

本发明公开一种光功率均衡方法及装置，包括：将硅基液晶LCOS配置成相位呈周期变化的闪耀光栅形式，每个周期包括三个光栅段，且像素点数量不变，其中，第二光栅段位于第一光栅段和第三光栅段之间；监测WDM信号中各波长信号的功率，WDM信号包括第一波长信号；如果第一波长信号的功率大于预先设定的目标功率，降低第一位置内的所有周期中第二光栅段的相位调制深度与像素点数量，使第一波长信号的功率与目标功率相同，第一位置为第一波长信号入射到LCOS的位置。本发明所提供的方法和装置解决了现有技术中，各波长信号在LCOS产生的串扰信号功率没有下降，端口的串扰特性无法满足系统要求的问题。

Description

PCT国内申请，说明书已公开。

Claims (8)

  1. PCT国内申请，权利要求书已公开。
CN201680089434.0A 2016-10-08 2016-10-08 一种光功率均衡的方法及装置 Active CN109716186B (zh)

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PCT/CN2016/101502 WO2018064814A1 (zh) 2016-10-08 2016-10-08 一种光功率均衡的方法及装置

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EP (1) EP3514587B1 (zh)
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ES (1) ES2810723T3 (zh)
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CN112447146A (zh) * 2019-08-29 2021-03-05 华为技术有限公司 一种硅基液晶二维阵列电压控制的方法及相关设备
CN113608369A (zh) * 2021-08-04 2021-11-05 上海交通大学 提高波长选择开关端口隔离度的调制方法及系统
CN113703240A (zh) * 2020-05-21 2021-11-26 华为技术有限公司 Lcos调节方法，光器件以及可重构光分插复用器

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CN109845150B (zh) * 2016-10-26 2020-12-15 华为技术有限公司 光信号的传输方法、装置和波长选择开关
CN113156675B (zh) * 2020-01-22 2023-04-11 华为技术有限公司 硅基液晶的驱动方法、相位调节装置、驱动设备和芯片
CN112269226B (zh) * 2020-11-16 2022-02-01 上海交通大学 一种混合调制方法及系统

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CN112447146A (zh) * 2019-08-29 2021-03-05 华为技术有限公司 一种硅基液晶二维阵列电压控制的方法及相关设备
CN112447146B (zh) * 2019-08-29 2022-04-22 华为技术有限公司 一种硅基液晶二维阵列电压控制的方法及相关设备
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CN113703240B (zh) * 2020-05-21 2022-10-11 华为技术有限公司 Lcos调节方法，光器件以及可重构光分插复用器
CN113608369A (zh) * 2021-08-04 2021-11-05 上海交通大学 提高波长选择开关端口隔离度的调制方法及系统

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EP3514587A1 (en) 2019-07-24
ES2810723T3 (es) 2021-03-09
WO2018064814A1 (zh) 2018-04-12
US10560186B2 (en) 2020-02-11
US20190238223A1 (en) 2019-08-01
CN109716186B (zh) 2020-06-16
EP3514587B1 (en) 2020-06-24
EP3514587A4 (en) 2019-09-18
PT3514587T (pt) 2020-07-14

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