CN102142902A - Method and device for realizing direct detection and coherent detection - Google Patents
Method and device for realizing direct detection and coherent detection Download PDFInfo
- Publication number
- CN102142902A CN102142902A CN2010105541509A CN201010554150A CN102142902A CN 102142902 A CN102142902 A CN 102142902A CN 2010105541509 A CN2010105541509 A CN 2010105541509A CN 201010554150 A CN201010554150 A CN 201010554150A CN 102142902 A CN102142902 A CN 102142902A
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- light signal
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- coupling optical
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 230000001427 coherent effect Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims abstract description 113
- 230000010287 polarization Effects 0.000 claims abstract description 57
- 230000008878 coupling Effects 0.000 claims description 108
- 238000010168 coupling process Methods 0.000 claims description 108
- 238000005859 coupling reaction Methods 0.000 claims description 108
- 230000003111 delayed effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000010363 phase shift Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009394 selective breeding Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/06—Polarisation multiplex systems
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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
- H04B10/60—Receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/002—Coherencemultiplexing
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
Claims (13)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010554150.9A CN102142902B (en) | 2010-11-19 | 2010-11-19 | Method and device for realizing direct detection and coherent detection |
PCT/CN2011/075210 WO2011147335A1 (en) | 2010-11-19 | 2011-06-02 | Method and apparatus for implementing direct detection and coherent detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010554150.9A CN102142902B (en) | 2010-11-19 | 2010-11-19 | Method and device for realizing direct detection and coherent detection |
Publications (2)
Publication Number | Publication Date |
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CN102142902A true CN102142902A (en) | 2011-08-03 |
CN102142902B CN102142902B (en) | 2013-12-18 |
Family
ID=44410160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010554150.9A Expired - Fee Related CN102142902B (en) | 2010-11-19 | 2010-11-19 | Method and device for realizing direct detection and coherent detection |
Country Status (2)
Country | Link |
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CN (1) | CN102142902B (en) |
WO (1) | WO2011147335A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105052056A (en) * | 2013-03-15 | 2015-11-11 | 日本电气株式会社 | Optical transmitter/receiver, optical communication system, and optical transmission/reception method |
WO2016062186A1 (en) * | 2014-10-20 | 2016-04-28 | Huawei Technologies Co., Ltd. | Carrier-signal power ratio control in direct detection optical systems |
CN106453180A (en) * | 2015-08-10 | 2017-02-22 | 博通集成电路(上海)有限公司 | Circuit and method for improving phase detection |
CN107346993A (en) * | 2017-07-18 | 2017-11-14 | 深圳市杰普特光电股份有限公司 | Optical signal coherence detection and device |
CN110463090A (en) * | 2017-08-16 | 2019-11-15 | 华为技术有限公司 | A kind of optical sender, photoreceiver and optical transmission method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760941A (en) * | 1996-02-29 | 1998-06-02 | Rice University | System and method for performing optical code division multiple access communication using bipolar codes |
CN1743936A (en) * | 2004-09-01 | 2006-03-08 | 华为技术有限公司 | Light spectrum detecting device and method, and Raman amplifier feedback control device and method |
US20090052907A1 (en) * | 2007-08-20 | 2009-02-26 | Nec Laboratories America, Inc. | Wavelength transmission system and method using 3-dimensional ldpc-coded modulation |
WO2010105684A1 (en) * | 2009-03-19 | 2010-09-23 | Agilent Technologies, Inc. | Calibrating an optical downconverter |
WO2010119576A1 (en) * | 2009-04-16 | 2010-10-21 | Nec Corporation | Method of and system for detecting skew between parallel signals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4553556B2 (en) * | 2003-03-25 | 2010-09-29 | 富士通株式会社 | WDM optical signal quality monitoring method and apparatus, and optical transmission system using the same |
EP2071747B1 (en) * | 2006-09-26 | 2015-02-18 | Hitachi, Ltd. | Optical electric field receiver and optical transmission system |
JP2011035735A (en) * | 2009-08-03 | 2011-02-17 | Fujitsu Ltd | Transmission apparatus, transmission system, and method of communication |
-
2010
- 2010-11-19 CN CN201010554150.9A patent/CN102142902B/en not_active Expired - Fee Related
-
2011
- 2011-06-02 WO PCT/CN2011/075210 patent/WO2011147335A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760941A (en) * | 1996-02-29 | 1998-06-02 | Rice University | System and method for performing optical code division multiple access communication using bipolar codes |
CN1743936A (en) * | 2004-09-01 | 2006-03-08 | 华为技术有限公司 | Light spectrum detecting device and method, and Raman amplifier feedback control device and method |
US20090052907A1 (en) * | 2007-08-20 | 2009-02-26 | Nec Laboratories America, Inc. | Wavelength transmission system and method using 3-dimensional ldpc-coded modulation |
WO2010105684A1 (en) * | 2009-03-19 | 2010-09-23 | Agilent Technologies, Inc. | Calibrating an optical downconverter |
WO2010119576A1 (en) * | 2009-04-16 | 2010-10-21 | Nec Corporation | Method of and system for detecting skew between parallel signals |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105052056B (en) * | 2013-03-15 | 2018-05-22 | 日本电气株式会社 | Light emitting/receiving device, optical communication system and optical transmitting/receiving method |
US9584220B2 (en) | 2013-03-15 | 2017-02-28 | Nec Corporation | Optical transmission/reception device, optical communication system and optical transmission/reception method |
CN105052056A (en) * | 2013-03-15 | 2015-11-11 | 日本电气株式会社 | Optical transmitter/receiver, optical communication system, and optical transmission/reception method |
US10447387B2 (en) | 2013-03-15 | 2019-10-15 | Nec Corporation | Optical transmission/ reception device, optical communication system and optical transmission/ reception method |
US10880003B2 (en) | 2013-03-15 | 2020-12-29 | Nec Corporation | Optical transmission/ reception device, optical communication system and optical transmission/ reception method |
US11277202B2 (en) | 2013-03-15 | 2022-03-15 | Nec Corporation | Optical transmission/reception device, optical communications system and optical transmission/reception method |
WO2016062186A1 (en) * | 2014-10-20 | 2016-04-28 | Huawei Technologies Co., Ltd. | Carrier-signal power ratio control in direct detection optical systems |
US9608723B2 (en) | 2014-10-20 | 2017-03-28 | Huawei Technologies Co., Ltd. | Carrier-signal power ratio control in direct detection optical systems |
CN106453180A (en) * | 2015-08-10 | 2017-02-22 | 博通集成电路(上海)有限公司 | Circuit and method for improving phase detection |
CN107346993A (en) * | 2017-07-18 | 2017-11-14 | 深圳市杰普特光电股份有限公司 | Optical signal coherence detection and device |
CN110463090A (en) * | 2017-08-16 | 2019-11-15 | 华为技术有限公司 | A kind of optical sender, photoreceiver and optical transmission method |
CN110463090B (en) * | 2017-08-16 | 2021-02-23 | 华为技术有限公司 | Optical transmitter, optical receiver and optical transmission method |
US11018775B2 (en) | 2017-08-16 | 2021-05-25 | Huawei Technologies Co., Ltd. | Optical transmitter, optical receiver, and optical transmission method |
Also Published As
Publication number | Publication date |
---|---|
CN102142902B (en) | 2013-12-18 |
WO2011147335A1 (en) | 2011-12-01 |
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Owner name: SHENZHEN LIANCHUANG INTELLECTUAL PROPERTY SERVICE Free format text: FORMER OWNER: HUAWEI TECHNOLOGY CO., LTD. Effective date: 20150703 |
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Effective date of registration: 20150703 Address after: 518129 Nanshan District Nanshan digital cultural industry base, east block, Guangdong, Shenzhen 407 Patentee after: Shenzhen LIAN intellectual property service center Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Technologies Co., Ltd. |
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Effective date of registration: 20160201 Address after: 224500 Jiangsu Jiangsu Binhai Economic Development Zone Yancheng City coastal industrial park north of Zhongshan Road Province Patentee after: JIANGSU KELI NEW MATERIAL CO., LTD. Address before: 518129 Nanshan District Nanshan digital cultural industry base, east block, Guangdong, Shenzhen 407 Patentee before: Shenzhen LIAN intellectual property service center |
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Granted publication date: 20131218 Termination date: 20161119 |
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CF01 | Termination of patent right due to non-payment of annual fee |