CN107949994A - 一种wdm系统中的oadm节点及方法 - Google Patents

一种wdm系统中的oadm节点及方法 Download PDF

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Publication number
CN107949994A
CN107949994A CN201580082948.9A CN201580082948A CN107949994A CN 107949994 A CN107949994 A CN 107949994A CN 201580082948 A CN201580082948 A CN 201580082948A CN 107949994 A CN107949994 A CN 107949994A
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China
Prior art keywords
optical
band filter
wave band
photoswitch
subsignal
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CN201580082948.9A
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CN107949994B (zh
Inventor
邓宁
操时宜
罗俊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN107949994A publication Critical patent/CN107949994A/zh
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    • 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
    • H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2581—Multimode transmission
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/275—Ring-type networks
    • 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
    • H04J14/0201—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]
    • H04J14/02122—Colourless, directionless or contentionless [CDC] arrangements
    • 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
    • H04J14/0213—Groups of channels or wave bands arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0009—Construction using wavelength filters

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computing Systems (AREA)
  • Optical Communication System (AREA)

Abstract

一种WDM系统中的OADM节点及方法，可根据需要动态控制OADM节点的上路波长，使WDM系统具有动态重构的能力，从而提升WDM系统的灵活性，并简化WDM系统的部署、安装和维护。本发明实施例包括上路单元；上路单元包括：无色光发射机、第一波导阵列光栅、用于将输入的光信号分成M个不同波带的子信号的第一波带滤波器、第一光开关以及第一光耦合器/第一光合路器；无色光发射机的发射端通过第一波导阵列光栅与第一波带滤波器的输入端耦合；第一波带滤波器的M个输出端通过第一光开关与第一光耦合器/第一光合路器的输入端耦合；第一光开关，用于根据控制信号连通目标输出端和所述第一光耦合器/第一光合路器的输入端，第一光耦合器/第一光合路器的输出端与传输光路耦合。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201580082948.9A 2015-09-08 2015-09-08 一种wdm系统中的oadm节点及方法 Active CN107949994B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/089117 WO2017041222A1 (zh) 2015-09-08 2015-09-08 一种wdm系统中的oadm节点及方法

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CN107949994A true CN107949994A (zh) 2018-04-20
CN107949994B CN107949994B (zh) 2019-07-19

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US (1) US10530515B2 (zh)
EP (1) EP3334072B1 (zh)
CN (1) CN107949994B (zh)
WO (1) WO2017041222A1 (zh)

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CN111355554A (zh) * 2018-12-20 2020-06-30 中兴通讯股份有限公司 路由合波器、路由合波方法、波分路由方法及网络系统
CN112995804A (zh) * 2020-12-29 2021-06-18 北京理工大学 一种光交换方法、装置及系统
CN117439696A (zh) * 2023-12-19 2024-01-23 华海通信技术有限公司 一种应用于海底观测网通信设备中的光路通信结构

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US20040208581A1 (en) * 2001-11-02 2004-10-21 David Li Optical add-drop multiplexer
CN1885755A (zh) * 2005-06-22 2006-12-27 华为技术有限公司 光分插复用站点
CN101227247A (zh) * 2007-10-30 2008-07-23 中兴通讯股份有限公司 实现灵活波长调度的可配置光分插复用装置
CN104661117A (zh) * 2013-11-22 2015-05-27 华为技术有限公司 一种光网络交换设备
CN104904140A (zh) * 2013-12-25 2015-09-09 华为海洋网络有限公司 一种光分插复用光分支器

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US7184666B1 (en) * 2003-10-01 2007-02-27 Ciena Corporation Reconfigurable optical add-drop multiplexer
US20090047019A1 (en) * 2007-08-13 2009-02-19 Paparao Palacharla Method and System for Communicating Optical Traffic
CN101420286B (zh) * 2007-10-23 2012-02-08 中兴通讯股份有限公司 实现灵活波长调度的可配置光分插复用装置
US8126332B2 (en) * 2008-08-20 2012-02-28 Lg-Ericsson Co., Ltd. Method of wavelength alignment for a wavelength division multiplexed passive optical network
US8417118B2 (en) * 2009-08-14 2013-04-09 Futurewei Technologies, Inc. Colorless dense wavelength division multiplexing transmitters
CN102790653B (zh) * 2011-05-19 2015-02-18 武汉邮电科学研究院 可重构光分插复用器和可重构光分插复用方法
CN103023599A (zh) * 2011-09-20 2013-04-03 武汉邮电科学研究院 可重构光分插复用器和可重构光分插复用方法
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US20040208581A1 (en) * 2001-11-02 2004-10-21 David Li Optical add-drop multiplexer
CN1885755A (zh) * 2005-06-22 2006-12-27 华为技术有限公司 光分插复用站点
CN101227247A (zh) * 2007-10-30 2008-07-23 中兴通讯股份有限公司 实现灵活波长调度的可配置光分插复用装置
CN104661117A (zh) * 2013-11-22 2015-05-27 华为技术有限公司 一种光网络交换设备
CN104904140A (zh) * 2013-12-25 2015-09-09 华为海洋网络有限公司 一种光分插复用光分支器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111355554A (zh) * 2018-12-20 2020-06-30 中兴通讯股份有限公司 路由合波器、路由合波方法、波分路由方法及网络系统
CN111355554B (zh) * 2018-12-20 2023-04-28 中兴通讯股份有限公司 路由合波器、路由合波方法、波分路由方法及网络系统
CN112995804A (zh) * 2020-12-29 2021-06-18 北京理工大学 一种光交换方法、装置及系统
CN117439696A (zh) * 2023-12-19 2024-01-23 华海通信技术有限公司 一种应用于海底观测网通信设备中的光路通信结构
CN117439696B (zh) * 2023-12-19 2024-02-27 华海通信技术有限公司 一种应用于海底观测网通信设备中的光路通信结构

Also Published As

Publication number Publication date
EP3334072B1 (en) 2021-05-26
EP3334072A4 (en) 2018-12-05
WO2017041222A1 (zh) 2017-03-16
CN107949994B (zh) 2019-07-19
US10530515B2 (en) 2020-01-07
US20180198550A1 (en) 2018-07-12
EP3334072A1 (en) 2018-06-13

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