WO2012103819A3 - 单纤双向光模块及无源光网络系统 - Google Patents

单纤双向光模块及无源光网络系统 Download PDF

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Publication number
WO2012103819A3
WO2012103819A3 PCT/CN2012/072030 CN2012072030W WO2012103819A3 WO 2012103819 A3 WO2012103819 A3 WO 2012103819A3 CN 2012072030 W CN2012072030 W CN 2012072030W WO 2012103819 A3 WO2012103819 A3 WO 2012103819A3
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WO
WIPO (PCT)
Prior art keywords
optical signal
fiber
module
wavelength
optical
Prior art date
Application number
PCT/CN2012/072030
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English (en)
French (fr)
Other versions
WO2012103819A2 (zh
Inventor
杨素林
殷锦蓉
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP12742264.0A priority Critical patent/EP2602946B1/en
Priority to PCT/CN2012/072030 priority patent/WO2012103819A2/zh
Priority to CN201280000489.1A priority patent/CN102971974B/zh
Publication of WO2012103819A2 publication Critical patent/WO2012103819A2/zh
Publication of WO2012103819A3 publication Critical patent/WO2012103819A3/zh

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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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • H04B10/272—Star-type networks or tree-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • 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
    • H04J14/0247—Sharing one wavelength for at least a group of ONUs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • 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
    • H04J14/0249—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU
    • H04J14/0252—Sharing one wavelength for at least a group of ONUs, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0282—WDM tree architectures
    • 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
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • 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
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0083—Testing; Monitoring

Landscapes

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

Abstract

本发明适用于通信技术领域，提供了一种单纤双向光模块和釆用所述单纤双向光模块的无源光网络系统。所述单纤双向光模块包括发送模块、接收模块和耦合器；所述发送模块，用于发送具有第一波长的下行光信号和测试光信号；所述接收模块，用于接收具有第二波长的上行光信号，并接收所述测试光信号在光纤网络传输中对应产生的具有第一波长的后向光信号；所述耦合器，用于将具有第一波长的下行光信号和测试光信号进行透射到光纤网络，将所述具有第一波长的后向光信号和所述具有第二波长的上行光信号反射到所述接收模块。本发明提供的单纤双向光模块结构简单，易于制造，成本低。
PCT/CN2012/072030 2012-03-07 2012-03-07 单纤双向光模块及无源光网络系统 WO2012103819A2 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12742264.0A EP2602946B1 (en) 2012-03-07 2012-03-07 Single-fiber bi-directional optical module and passive optical network system
PCT/CN2012/072030 WO2012103819A2 (zh) 2012-03-07 2012-03-07 单纤双向光模块及无源光网络系统
CN201280000489.1A CN102971974B (zh) 2012-03-07 2012-03-07 单纤双向光模块及无源光网络系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/072030 WO2012103819A2 (zh) 2012-03-07 2012-03-07 单纤双向光模块及无源光网络系统

Publications (2)

Publication Number Publication Date
WO2012103819A2 WO2012103819A2 (zh) 2012-08-09
WO2012103819A3 true WO2012103819A3 (zh) 2013-02-21

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PCT/CN2012/072030 WO2012103819A2 (zh) 2012-03-07 2012-03-07 单纤双向光模块及无源光网络系统

Country Status (3)

Country Link
EP (1) EP2602946B1 (zh)
CN (1) CN102971974B (zh)
WO (1) WO2012103819A2 (zh)

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CN103229432B (zh) * 2012-12-24 2016-08-03 华为技术有限公司 光纤特性测量方法和光模块
WO2015024259A1 (zh) * 2013-08-23 2015-02-26 华为技术有限公司 光网络监测装置、光通信系统及光网络监测方法
EP2871790A1 (en) * 2013-11-12 2015-05-13 Alcatel Lucent Cost-optimized controller architecture for network elements
CN105187120A (zh) * 2015-08-21 2015-12-23 桂林聚联科技有限公司 一种使用一个监测波长实现超长距离光缆监测的装置及方法
US10148386B2 (en) 2016-09-16 2018-12-04 International Business Machines Corporation Multichannel optical transceiver for matching data traffic classes to channel numbers
US10148356B2 (en) 2016-09-16 2018-12-04 International Business Machines Corporation Data transfer over bi-directional links leveraging counter-propagating back channel for low-latency responses
EP3550740B1 (en) 2016-12-28 2022-02-23 Huawei Technologies Co., Ltd. Transmission optical assembly, optical device, optical module, and passive optical network system
WO2020019327A1 (zh) * 2018-07-27 2020-01-30 华为技术有限公司 一种光时域反射仪及具有光时域反射功能的光组件
CN112311450A (zh) * 2019-07-31 2021-02-02 宇捷光子科技(南京)有限公司 一种可集成otdr功能的异波长单纤双向光模块及其检测方法
EP3975580B1 (en) * 2019-08-26 2024-02-21 Huawei Technologies Co., Ltd. Method for determining connection of optical network terminals, apparatus and system
CN112866832B (zh) * 2019-11-12 2022-04-22 华为技术有限公司 一种测试系统、测试方法、测试模块以及光网络单元onu
CN111212338A (zh) * 2020-02-26 2020-05-29 深圳市力子光电科技有限公司 一种采用sfp olt光模块单纤四向10g无源光网络
CN114389696B (zh) * 2020-10-22 2024-04-12 华为技术有限公司 光模块、光纤接口连接器、光信号传输方法及系统
CN112671502A (zh) * 2020-12-28 2021-04-16 武汉光迅科技股份有限公司 一种光线路终端
CN112583481A (zh) * 2020-12-30 2021-03-30 王健 光缆纤芯光信号采集装置、资源检测设备和平台
CN115150002A (zh) * 2021-03-31 2022-10-04 华为技术有限公司 光通信方法和装置
CN115913375A (zh) * 2021-08-05 2023-04-04 华为技术有限公司 光器件、光模块、光通信设备和光通信方法
CN114697773B (zh) * 2022-04-07 2024-04-02 中国联合网络通信集团有限公司 通信网络架构
CN220292140U (zh) * 2022-07-28 2024-01-02 华为技术有限公司 光通信装置以及光网络设备

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CN201369727Y (zh) * 2008-11-17 2009-12-23 华为技术有限公司 一种光线路终端
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Also Published As

Publication number Publication date
EP2602946A2 (en) 2013-06-12
EP2602946A4 (en) 2013-12-25
CN102971974A (zh) 2013-03-13
EP2602946B1 (en) 2015-08-19
CN102971974B (zh) 2015-09-23
WO2012103819A2 (zh) 2012-08-09

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