CN104104447A - 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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- CN104104447A CN104104447A CN201310122436.3A CN201310122436A CN104104447A CN 104104447 A CN104104447 A CN 104104447A CN 201310122436 A CN201310122436 A CN 201310122436A CN 104104447 A CN104104447 A CN 104104447A
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- optical
- optical power
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- power
- optical channel
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- 230000003287 optical effect Effects 0.000 title claims abstract description 241
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000012544 monitoring process Methods 0.000 claims abstract description 73
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims 2
- 238000012360 testing method Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 1
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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
- H04B10/50—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]
- H04J14/02126—Multicast switch arrangements
-
- 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
-
- 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 (10)
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 |
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 |
US14/783,209 US20160050021A1 (en) | 2013-04-10 | 2013-09-13 | Optical power equalization method and apparatus |
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 true CN104104447A (zh) | 2014-10-15 |
CN104104447B 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) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104243019A (zh) * | 2014-09-25 | 2014-12-24 | 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 |
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 |
Families Citing this family (25)
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US9768902B2 (en) | 2015-10-22 | 2017-09-19 | Ciena Corporation | Control systems and methods for spectrally overlapped flexible grid spectrum using a control bandwidth |
WO2017154454A1 (ja) * | 2016-03-10 | 2017-09-14 | 日本電気株式会社 | 光伝送システム、波長選択スイッチの制御装置、及び挿入損失補正方法 |
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 |
US11095364B2 (en) | 2019-03-04 | 2021-08-17 | Infiriera 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 |
US11032020B2 (en) | 2019-04-19 | 2021-06-08 | Infiriera Corporation | Synchronization for subcarrier communication |
US10972184B2 (en) | 2019-05-07 | 2021-04-06 | Infinera Corporation | Bidirectional optical communications |
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 |
US11296812B2 (en) | 2019-05-14 | 2022-04-05 | Infinera Corporation | Out-of-band communication channel for subcarrier-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 |
US11239935B2 (en) | 2019-05-14 | 2022-02-01 | Infinera Corporation | Out-of-band communication channel for subcarrier-based optical communication systems |
US11177889B2 (en) | 2019-05-14 | 2021-11-16 | Infinera Corporation | Out-of-band communication channel for sub-carrier-based optical communication systems |
US11297005B2 (en) | 2019-09-05 | 2022-04-05 | Infiriera Corporation | Dynamically switching queueing schemes for network switches |
US11356180B2 (en) | 2019-10-10 | 2022-06-07 | Infinera Corporation | Hub-leaf laser synchronization |
US11743621B2 (en) | 2019-10-10 | 2023-08-29 | Infinera Corporation | Network switches systems for optical communications networks |
EP4042606A1 (en) | 2019-10-10 | 2022-08-17 | Infinera Corporation | Optical subcarrier dual-path protection and restoration 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 |
US12081272B2 (en) | 2022-06-24 | 2024-09-03 | Cisco Technology, Inc. | Optical power tool |
Family Cites Families (24)
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 |
GB2362525B (en) * | 2000-05-18 | 2002-07-24 | Marconi Comm Ltd | Radiation power equalization in wavelength division multiplexing (WDM) optical communication system |
WO2002019572A1 (en) * | 2000-08-31 | 2002-03-07 | Fujitsu Limited | Method for starting up optical communication system, method for extending/reducing channels, and computer readable recorded medium |
CA2443356A1 (en) * | 2001-04-03 | 2002-10-17 | Cidra Corporation | Dynamic optical filter having a spatial light modulator |
CN1134130C (zh) * | 2001-09-14 | 2004-01-07 | 清华大学 | 具有自适应光功率均衡的光分插复用器 |
CN1134129C (zh) * | 2001-10-19 | 2004-01-07 | 清华大学 | 多波长自适应光功率均衡的光分插复用器 |
US20040208515A1 (en) * | 2001-12-21 | 2004-10-21 | Edmund Walker | Signal to noise ratio measurement in a communications system |
CN100472995C (zh) * | 2003-03-07 | 2009-03-25 | 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 |
US20070036548A1 (en) * | 2003-08-15 | 2007-02-15 | Xiaodong Duan | System with a distributed optical performance monitor for use in optical networks |
CN100539474C (zh) * | 2003-12-09 | 2009-09-09 | 华为技术有限公司 | 波分复用光传输系统及其传输方法 |
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 |
JP4746951B2 (ja) * | 2005-09-28 | 2011-08-10 | 富士通株式会社 | 光増幅器および光増幅方法 |
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 |
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 |
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 |
US8401391B2 (en) * | 2009-12-08 | 2013-03-19 | Tyco Electronics Subsea Communications Llc | Channel power management in a branched optical communication system |
CN101719797B (zh) * | 2010-01-08 | 2012-10-17 | 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 |
WO2012083311A1 (en) * | 2010-12-17 | 2012-06-21 | University Of Kansas | A digital subcarrier optical network utilizing digital subcarrier cross-connects with increased energy efficiency |
CN102088314B (zh) * | 2011-01-24 | 2014-03-12 | 北京邮电大学 | 光信噪比监测装置及监测方法 |
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 KR KR1020157031429A patent/KR102148554B1/ko active Active
- 2013-09-13 EP EP13882022.0A patent/EP2985930B1/en active Active
- 2013-09-13 US US14/783,209 patent/US20160050021A1/en not_active Abandoned
- 2013-09-13 JP JP2016506751A patent/JP6386533B2/ja active Active
- 2013-09-13 WO PCT/CN2013/083485 patent/WO2014166207A1/zh active Application Filing
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104243019A (zh) * | 2014-09-25 | 2014-12-24 | 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 |
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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
US20160050021A1 (en) | 2016-02-18 |
JP2016519894A (ja) | 2016-07-07 |
JP6386533B2 (ja) | 2018-09-05 |
CN104104447B (zh) | 2018-08-24 |
EP2985930A4 (en) | 2016-04-13 |
EP2985930A1 (en) | 2016-02-17 |
KR102148554B1 (ko) | 2020-08-27 |
WO2014166207A1 (zh) | 2014-10-16 |
KR20150143559A (ko) | 2015-12-23 |
EP2985930B1 (en) | 2018-03-07 |
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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. |
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