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 PDFInfo
- 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
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Classifications
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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
- H04B10/071—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]
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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
- H04B10/27—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—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。
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 |
Family
ID=46603122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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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US20060007426A1 (en) * | 2004-07-08 | 2006-01-12 | Weller Whitney T | Novel Algorithm, Method and apparatus for In-Service Testing of Passive Optical Networks (PON) and Fiber to the Premise (FTTP) Networks |
CN201369727Y (zh) * | 2008-11-17 | 2009-12-23 | 华为技术有限公司 | 一种光线路终端 |
CN102170309A (zh) * | 2011-03-24 | 2011-08-31 | 索尔思光电(成都)有限公司 | 一种集成otdr监测功能的olt光模块 |
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KR100687710B1 (ko) * | 2004-11-20 | 2007-02-27 | 한국전자통신연구원 | 수동형 광가입자망 시스템에서의 광선로 감시 방법 및 장치 |
TWI350071B (en) * | 2006-09-11 | 2011-10-01 | Univ Nat Taiwan Science Tech | Detection system for identifying faults in a passive optical network |
EP2337240B1 (en) * | 2009-12-15 | 2015-11-11 | Alcatel Lucent | Multichannel WDM-PON module with integrated OTDR function |
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2012
- 2012-03-07 WO PCT/CN2012/072030 patent/WO2012103819A2/zh active Application Filing
- 2012-03-07 EP EP12742264.0A patent/EP2602946B1/en active Active
- 2012-03-07 CN CN201280000489.1A patent/CN102971974B/zh active Active
Patent Citations (3)
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US20060007426A1 (en) * | 2004-07-08 | 2006-01-12 | Weller Whitney T | Novel Algorithm, Method and apparatus for In-Service Testing of Passive Optical Networks (PON) and Fiber to the Premise (FTTP) Networks |
CN201369727Y (zh) * | 2008-11-17 | 2009-12-23 | 华为技术有限公司 | 一种光线路终端 |
CN102170309A (zh) * | 2011-03-24 | 2011-08-31 | 索尔思光电(成都)有限公司 | 一种集成otdr监测功能的olt光模块 |
Non-Patent Citations (1)
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See also references of EP2602946A4 * |
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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