CN104104447B - 光功率均衡方法及装置 - Google Patents
光功率均衡方法及装置 Download PDFInfo
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- CN104104447B CN104104447B CN201310122436.3A CN201310122436A CN104104447B CN 104104447 B CN104104447 B CN 104104447B CN 201310122436 A CN201310122436 A CN 201310122436A CN 104104447 B CN104104447 B CN 104104447B
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- optical
- power
- optical channel
- channel
- light
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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
- H04B10/50—Transmitters
- H04B10/564—Power control
-
- 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
-
- 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]
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/01—Equalisers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (9)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310122436.3A CN104104447B (zh) | 2013-04-10 | 2013-04-10 | 光功率均衡方法及装置 |
PCT/CN2013/083485 WO2014166207A1 (zh) | 2013-04-10 | 2013-09-13 | 光功率均衡方法及装置 |
US14/783,209 US20160050021A1 (en) | 2013-04-10 | 2013-09-13 | Optical power equalization method and apparatus |
KR1020157031429A KR102148554B1 (ko) | 2013-04-10 | 2013-09-13 | 광파워 등화 방법 및 장치 |
JP2016506751A JP6386533B2 (ja) | 2013-04-10 | 2013-09-13 | 光パワー等化方法及び装置 |
EP13882022.0A EP2985930B1 (en) | 2013-04-10 | 2013-09-13 | Equalization method and device for optical power |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310122436.3A CN104104447B (zh) | 2013-04-10 | 2013-04-10 | 光功率均衡方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104104447A CN104104447A (zh) | 2014-10-15 |
CN104104447B true CN104104447B (zh) | 2018-08-24 |
Family
ID=51672287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310122436.3A Active CN104104447B (zh) | 2013-04-10 | 2013-04-10 | 光功率均衡方法及装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160050021A1 (zh) |
EP (1) | EP2985930B1 (zh) |
JP (1) | JP6386533B2 (zh) |
KR (1) | KR102148554B1 (zh) |
CN (1) | CN104104447B (zh) |
WO (1) | WO2014166207A1 (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104243019B (zh) * | 2014-09-25 | 2016-09-28 | 工业和信息化部电信传输研究所 | 一种光信噪比测试方法和装置 |
US9768902B2 (en) | 2015-10-22 | 2017-09-19 | Ciena Corporation | Control systems and methods for spectrally overlapped flexible grid spectrum using a control bandwidth |
EP3429103B1 (en) * | 2016-03-10 | 2021-10-06 | Nec Corporation | Optical transmission system, control device for wavelength selection switch, and method for correcting insertion loss |
US10200770B2 (en) * | 2017-04-07 | 2019-02-05 | Ciena Corporation | Management of flexible grid and supercarriers in optical networks using a data model |
US10243688B2 (en) * | 2017-06-12 | 2019-03-26 | Fujitsu Limited | Reach extension of multi-carrier channels using unequal subcarrier spacing |
EP3678304B1 (en) * | 2017-08-29 | 2023-05-10 | Nec Corporation | Optical transmission device and spectrum control method |
US10601520B2 (en) | 2018-02-07 | 2020-03-24 | Infinera Corporation | Clock recovery for digital subcarriers for optical networks |
US11368228B2 (en) * | 2018-04-13 | 2022-06-21 | Infinera Corporation | Apparatuses and methods for digital subcarrier parameter modifications for optical communication networks |
US11095389B2 (en) | 2018-07-12 | 2021-08-17 | Infiriera Corporation | Subcarrier based data center network architecture |
US11258528B2 (en) | 2019-09-22 | 2022-02-22 | Infinera Corporation | Frequency division multiple access optical subcarriers |
US11483066B2 (en) | 2019-03-04 | 2022-10-25 | Infinera Corporation | Frequency division multiple access optical subcarriers |
US11336369B2 (en) | 2019-03-22 | 2022-05-17 | Infinera Corporation | Framework for handling signal integrity using ASE in optical networks |
US11418312B2 (en) | 2019-04-19 | 2022-08-16 | Infinera Corporation | Synchronization for subcarrier communication |
US10972184B2 (en) | 2019-05-07 | 2021-04-06 | Infinera Corporation | Bidirectional optical communications |
US11239935B2 (en) | 2019-05-14 | 2022-02-01 | Infinera Corporation | Out-of-band communication channel for subcarrier-based optical communication systems |
US11296812B2 (en) | 2019-05-14 | 2022-04-05 | Infinera Corporation | Out-of-band communication channel for subcarrier-based optical communication systems |
US11088764B2 (en) | 2019-05-14 | 2021-08-10 | Infinera Corporation | Out-of-band communication channel for sub-carrier-based optical communication systems |
US11476966B2 (en) | 2019-05-14 | 2022-10-18 | Infinera Corporation | Out-of-band communication channel for subcarrier-based optical communication systems |
US11489613B2 (en) | 2019-05-14 | 2022-11-01 | Infinera Corporation | Out-of-band communication channel for subcarrier-based optical communication systems |
US11190291B2 (en) | 2019-05-14 | 2021-11-30 | Infinera Corporation | Out-of-band communication channel for subcarrier-based optical communication systems |
US11297005B2 (en) | 2019-09-05 | 2022-04-05 | Infiriera Corporation | Dynamically switching queueing schemes for network switches |
CN112583489A (zh) * | 2019-09-30 | 2021-03-30 | 中兴通讯股份有限公司 | 一种光网络功率控制自动方法及装置、存储介质 |
US11356180B2 (en) | 2019-10-10 | 2022-06-07 | Infinera Corporation | Hub-leaf laser synchronization |
CA3157060A1 (en) | 2019-10-10 | 2021-04-15 | Infinera Corporation | Optical subcarrier dual-path protection and restoration for optical communications networks |
WO2021072409A1 (en) | 2019-10-10 | 2021-04-15 | Tulasi Veguru | Network switches systems for optical communications networks |
CN113497651B (zh) * | 2020-03-18 | 2022-10-04 | 华为技术有限公司 | 一种标定插入损耗的方法以及相关设备 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1325203A (zh) * | 2000-05-18 | 2001-12-05 | 马科尼通讯有限公司 | 辐射功率均衡器 |
CN1336741A (zh) * | 2001-09-14 | 2002-02-20 | 清华大学 | 具有自适应光功率均衡的光分插复用器 |
CN1339891A (zh) * | 2001-10-19 | 2002-03-13 | 清华大学 | 多波长自适应光功率均衡的光分插复用器 |
CN1527525A (zh) * | 2003-03-07 | 2004-09-08 | 中兴通讯股份有限公司 | 实现光网络光端机的通道功率动态均衡控制装置及方法 |
CN1627670A (zh) * | 2003-12-09 | 2005-06-15 | 华为技术有限公司 | 波分复用光传输系统及其传输方法 |
US7123404B1 (en) * | 2005-09-28 | 2006-10-17 | Fujitsu Limited | Optical amplifier and optical amplification method |
CN101237274A (zh) * | 2007-01-31 | 2008-08-06 | 华为技术有限公司 | 前向控制信道增益传输方法、前向控制信息传输方法和系统 |
CN101719797A (zh) * | 2010-01-08 | 2010-06-02 | 烽火通信科技股份有限公司 | Wdm系统自动增益均衡的实现方法及装置 |
CN102088314A (zh) * | 2011-01-24 | 2011-06-08 | 北京邮电大学 | 光信噪比监测装置及监测方法 |
CN102742197A (zh) * | 2009-12-08 | 2012-10-17 | 泰科电子海底通信有限责任公司 | 分支的光通信系统中的信道功率管理 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3803000B2 (ja) * | 1999-09-28 | 2006-08-02 | 富士通株式会社 | 波長間光パワー偏差のモニタ方法、並びに、それを用いた光等化器および光増幅器 |
JP4588282B2 (ja) * | 2000-08-31 | 2010-11-24 | 富士通株式会社 | 光通信システムの立ち上げ方法およびチャンネル増減設方法、ならびに、コンピュータ読み取り可能な記録媒体 |
US7019883B2 (en) * | 2001-04-03 | 2006-03-28 | Cidra Corporation | Dynamic optical filter having a spatial light modulator |
US20040208515A1 (en) * | 2001-12-21 | 2004-10-21 | Edmund Walker | Signal to noise ratio measurement in a communications system |
US20070036548A1 (en) * | 2003-08-15 | 2007-02-15 | Xiaodong Duan | System with a distributed optical performance monitor for use in optical networks |
JP4414800B2 (ja) * | 2004-03-25 | 2010-02-10 | 株式会社日立コミュニケーションテクノロジー | 光伝送装置およびその制御方法 |
WO2006030524A1 (ja) * | 2004-09-17 | 2006-03-23 | Fujitsu Limited | 光挿入分岐装置 |
JP4929664B2 (ja) * | 2005-03-14 | 2012-05-09 | 富士通株式会社 | 光増幅器の制御装置、光増幅器の制御方法、光伝送装置、光増幅器、帯域単位利得等化器を用いた光増幅器及び帯域単位利得等化器を用いた波長多重伝送システム |
US7446932B2 (en) * | 2006-06-15 | 2008-11-04 | At&T Corporation | Method, apparatus and system for cost effective optical transmission with fast Raman tilt transient control |
US8095008B2 (en) * | 2007-04-25 | 2012-01-10 | Ciena Corporation | Systems and methods for a multiple-input, multiple-output controller in a reconfigurable optical network |
JP5321041B2 (ja) * | 2008-12-24 | 2013-10-23 | 富士通株式会社 | 光分岐挿入装置およびwdm伝送方法 |
US8639116B2 (en) * | 2010-12-17 | 2014-01-28 | Ron Hui | Digital subcarrier optical network utilizing digital subcarrier cross-connects with increased energy efficiency |
US8644710B2 (en) * | 2011-06-15 | 2014-02-04 | Verizon Patent And Licensing Inc. | Optical transport having full and flexible bandwidth and channel utilization |
CN102761365A (zh) * | 2012-06-28 | 2012-10-31 | 华为技术有限公司 | 检测光功率的方法和装置 |
JP6036468B2 (ja) * | 2013-03-26 | 2016-11-30 | 富士通株式会社 | 伝送装置、伝送システム及び光入力パワー制御方法 |
-
2013
- 2013-04-10 CN CN201310122436.3A patent/CN104104447B/zh active Active
- 2013-09-13 US US14/783,209 patent/US20160050021A1/en not_active Abandoned
- 2013-09-13 EP EP13882022.0A patent/EP2985930B1/en active Active
- 2013-09-13 WO PCT/CN2013/083485 patent/WO2014166207A1/zh active Application Filing
- 2013-09-13 JP JP2016506751A patent/JP6386533B2/ja active Active
- 2013-09-13 KR KR1020157031429A patent/KR102148554B1/ko active IP Right Grant
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1325203A (zh) * | 2000-05-18 | 2001-12-05 | 马科尼通讯有限公司 | 辐射功率均衡器 |
CN1336741A (zh) * | 2001-09-14 | 2002-02-20 | 清华大学 | 具有自适应光功率均衡的光分插复用器 |
CN1339891A (zh) * | 2001-10-19 | 2002-03-13 | 清华大学 | 多波长自适应光功率均衡的光分插复用器 |
CN1527525A (zh) * | 2003-03-07 | 2004-09-08 | 中兴通讯股份有限公司 | 实现光网络光端机的通道功率动态均衡控制装置及方法 |
CN1627670A (zh) * | 2003-12-09 | 2005-06-15 | 华为技术有限公司 | 波分复用光传输系统及其传输方法 |
US7123404B1 (en) * | 2005-09-28 | 2006-10-17 | Fujitsu Limited | Optical amplifier and optical amplification method |
CN101237274A (zh) * | 2007-01-31 | 2008-08-06 | 华为技术有限公司 | 前向控制信道增益传输方法、前向控制信息传输方法和系统 |
CN102742197A (zh) * | 2009-12-08 | 2012-10-17 | 泰科电子海底通信有限责任公司 | 分支的光通信系统中的信道功率管理 |
CN101719797A (zh) * | 2010-01-08 | 2010-06-02 | 烽火通信科技股份有限公司 | Wdm系统自动增益均衡的实现方法及装置 |
CN102088314A (zh) * | 2011-01-24 | 2011-06-08 | 北京邮电大学 | 光信噪比监测装置及监测方法 |
Non-Patent Citations (1)
Title |
---|
Subcarrier Multiplexing for High-Speed Optical Transmission;Rongqing Hui et.al;《Journal or Lightwave Technology》;20020331;第20卷(第3期);417-427 * |
Also Published As
Publication number | Publication date |
---|---|
JP6386533B2 (ja) | 2018-09-05 |
EP2985930B1 (en) | 2018-03-07 |
KR20150143559A (ko) | 2015-12-23 |
WO2014166207A1 (zh) | 2014-10-16 |
KR102148554B1 (ko) | 2020-08-27 |
CN104104447A (zh) | 2014-10-15 |
EP2985930A1 (en) | 2016-02-17 |
JP2016519894A (ja) | 2016-07-07 |
US20160050021A1 (en) | 2016-02-18 |
EP2985930A4 (en) | 2016-04-13 |
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Effective date of registration: 20180516 Address after: 210012 No. 68 Bauhinia Road, Yuhuatai District, Jiangsu, Nanjing Applicant after: Nanjing Zhongxing New Software Co., Ltd. Address before: No. 55, Nanshan District science and technology road, Nanshan District, Shenzhen, Guangdong Applicant before: ZTE Corporation |
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Effective date of registration: 20191122 Address after: 518057 Nanshan District science and technology, Guangdong Province, South Road, No. 55, No. Patentee after: ZTE Communications Co., Ltd. Address before: Yuhuatai District of Nanjing City, Jiangsu province 210012 Bauhinia Road No. 68 Patentee before: Nanjing Zhongxing New Software Co., Ltd. |