PT3514587T - Método e dispositivo de equalização de potência ótica - Google Patents

Método e dispositivo de equalização de potência ótica

Info

Publication number
PT3514587T
PT3514587T PT169181484T PT16918148T PT3514587T PT 3514587 T PT3514587 T PT 3514587T PT 169181484 T PT169181484 T PT 169181484T PT 16918148 T PT16918148 T PT 16918148T PT 3514587 T PT3514587 T PT 3514587T
Authority
PT
Portugal
Prior art keywords
optical power
equalization method
power equalization
optical
power
Prior art date
Application number
PT169181484T
Other languages
English (en)
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of PT3514587T publication Critical patent/PT3514587T/pt

Links

Classifications

    • 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

Landscapes

  • 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)
PT169181484T 2016-10-08 2016-10-08 Método e dispositivo de equalização de potência ótica PT3514587T (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PT3514587T true PT3514587T (pt) 2020-07-14

Family

ID=61830790

Family Applications (1)

Application Number Title Priority Date Filing Date
PT169181484T PT3514587T (pt) 2016-10-08 2016-10-08 Método e dispositivo de equalização de potência ótica

Country Status (6)

Country Link
US (1) US10560186B2 (pt)
EP (1) EP3514587B1 (pt)
CN (1) CN109716186B (pt)
ES (1) ES2810723T3 (pt)
PT (1) PT3514587T (pt)
WO (1) WO2018064814A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
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
CN113608369B (zh) * 2021-08-04 2024-06-14 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

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370473B (en) 2000-12-21 2004-04-07 Marconi Caswell Ltd Improvements in or relating to optical communication
GB0121308D0 (en) * 2001-09-03 2001-10-24 Thomas Swan & Company Ltd Optical processing
US7787720B2 (en) * 2004-09-27 2010-08-31 Optium Australia Pty Limited Wavelength selective reconfigurable optical cross-connect
US7457547B2 (en) 2004-11-08 2008-11-25 Optium Australia Pty Limited Optical calibration system and method
JP5874970B2 (ja) * 2008-08-21 2016-03-02 ニスティカ，インコーポレーテッド 光チャンネルモニタ
US8280206B2 (en) 2009-12-21 2012-10-02 Accelink Technologies Co., Ltd. WSS with hitless switching
GB201104235D0 (en) * 2011-03-14 2011-04-27 Cambridge Entpr Ltd Optical beam routing apparatus and methods
EP2520957B1 (en) * 2011-05-06 2017-02-01 Finisar Corporation Optical Channel Monitor
WO2012159341A1 (zh) * 2011-07-22 2012-11-29 华为技术有限公司 可重构的光分插复用器及波长交叉连接器
ES2623913T3 (es) 2011-12-28 2017-07-12 Huawei Technologies Co., Ltd. Método y equipo para balancear el funcionamiento de enlaces
GB201201190D0 (en) * 2012-01-25 2012-03-07 Cambridge Entpr Ltd Optical device and methods
JP5692865B2 (ja) * 2012-04-11 2015-04-01 独立行政法人産業技術総合研究所 波長クロスコネクト装置
JP6019466B2 (ja) * 2012-07-17 2016-11-02 サンテック株式会社 波長選択光スイッチ装置
US8977079B2 (en) * 2012-07-18 2015-03-10 Jds Uniphase Corporation WSS with high port isolation and close spaced ports
GB2504970A (en) * 2012-08-15 2014-02-19 Swan Thomas & Co Ltd Optical device and methods to reduce cross-talk
CN102879864B (zh) * 2012-11-01 2014-04-16 武汉邮电科学研究院 硅基液晶波长选择开关的波长漂移检测及校正方法
US9019612B2 (en) 2012-11-25 2015-04-28 Nistica, Inc. WSS using multiple technology switching elements
CN103281153B (zh) * 2013-06-20 2016-01-20 中央民族大学 一种基于硅基液晶的m×n端口的可重构光分插复用器
CN103353633B (zh) * 2013-08-05 2016-04-06 武汉邮电科学研究院 波长选择开关和波长选择方法
US9866315B2 (en) * 2015-04-24 2018-01-09 Lumentum Operations Llc Super-channel multiplexing and de-multiplexing using a phased array switching engine

Also Published As

Publication number Publication date
WO2018064814A1 (zh) 2018-04-12
CN109716186B (zh) 2020-06-16
US10560186B2 (en) 2020-02-11
CN109716186A (zh) 2019-05-03
EP3514587A4 (en) 2019-09-18
EP3514587B1 (en) 2020-06-24
EP3514587A1 (en) 2019-07-24
US20190238223A1 (en) 2019-08-01
ES2810723T3 (es) 2021-03-09

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