JP6045723B2 - コヒーレント検波を用いるm−pam光学システムのためのレベルスペーシング - Google Patents
コヒーレント検波を用いるm−pam光学システムのためのレベルスペーシング Download PDFInfo
- Publication number
- JP6045723B2 JP6045723B2 JP2015558896A JP2015558896A JP6045723B2 JP 6045723 B2 JP6045723 B2 JP 6045723B2 JP 2015558896 A JP2015558896 A JP 2015558896A JP 2015558896 A JP2015558896 A JP 2015558896A JP 6045723 B2 JP6045723 B2 JP 6045723B2
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- JP
- Japan
- Prior art keywords
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- spacing
- optical
- signal
- symbol
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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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
- H04B10/075—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
- 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
- H04B10/0799—Monitoring line transmitter or line receiver equipment
-
- 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
- H04B10/516—Details of coding or modulation
- H04B10/54—Intensity modulation
- H04B10/541—Digital intensity or amplitude modulation
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361769078P | 2013-02-25 | 2013-02-25 | |
US61/769,078 | 2013-02-25 | ||
US201361772664P | 2013-03-05 | 2013-03-05 | |
US61/772,664 | 2013-03-05 | ||
US13/929,757 | 2013-06-27 | ||
US13/929,757 US20140241722A1 (en) | 2013-02-25 | 2013-06-27 | PDM-(M) Ask Optical Systems And Methods For Metro Network Applications |
US14/032,886 US9374167B2 (en) | 2013-09-20 | 2013-09-20 | Level spacing for M-PAM optical systems with coherent detection |
US14/032,886 | 2013-09-20 | ||
PCT/US2014/016671 WO2014130386A1 (en) | 2013-02-25 | 2014-02-17 | Level spacing for m-pam optical systems with coherent detection |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016513421A JP2016513421A (ja) | 2016-05-12 |
JP6045723B2 true JP6045723B2 (ja) | 2016-12-14 |
Family
ID=51391725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015558896A Expired - Fee Related JP6045723B2 (ja) | 2013-02-25 | 2014-02-17 | コヒーレント検波を用いるm−pam光学システムのためのレベルスペーシング |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2959614A1 (de) |
JP (1) | JP6045723B2 (de) |
KR (1) | KR20150113064A (de) |
WO (1) | WO2014130386A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016044822A1 (en) * | 2014-09-19 | 2016-03-24 | Neophotonics Corporation | Dense wavelength division multiplexing and single-wavelength transmission systems |
US9722722B2 (en) | 2014-09-19 | 2017-08-01 | Neophotonics Corporation | Dense wavelength division multiplexing and single-wavelength transmission systems |
US20160269121A1 (en) * | 2015-03-09 | 2016-09-15 | Alcatel-Lucent Usa Inc. | Modulator Biasing For Optical Transmission |
US10374721B2 (en) | 2015-04-29 | 2019-08-06 | Infinera Corporation | Transmission of subcarriers having different modulation formats |
CN107359942B (zh) * | 2016-05-10 | 2020-07-24 | 华为技术有限公司 | 生成信号的方法和设备 |
CN108259089A (zh) | 2016-12-29 | 2018-07-06 | 海思光电子有限公司 | 一种pam4信号的产生装置 |
US10084285B1 (en) | 2017-08-28 | 2018-09-25 | Hewlett Packard Enterprise Development Lp | Orthoganolly polarized VCSELs |
US10177872B1 (en) | 2017-09-25 | 2019-01-08 | Hewlett Packard Enterprise Development Lp | Orthogonally polarized VCSELs |
US10720995B1 (en) | 2019-08-21 | 2020-07-21 | Cisco Technology, Inc. | Unequal spacing on multilevel signals |
CN116325674A (zh) * | 2020-10-21 | 2023-06-23 | 三菱电机株式会社 | 发送码处理装置、发送码处理方法及光发送器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9825046D0 (en) * | 1998-11-17 | 1999-01-13 | Barr & Stroud Ltd | Data communications link |
US6690894B2 (en) * | 2001-05-14 | 2004-02-10 | Stratalight Communications, Inc. | Multilevel optical signals optimized for systems having signal-dependent and signal-independent noises, finite transmitter extinction ratio and intersymbol interference |
US20030180055A1 (en) * | 2002-03-22 | 2003-09-25 | Kameran Azadet | Optically calibrated pulse amplitude modulated transmission scheme for optical channels |
US7471903B1 (en) * | 2002-06-26 | 2008-12-30 | Nortel Networks Limited | Optical communication system |
JP2007329673A (ja) * | 2006-06-07 | 2007-12-20 | Ricoh Co Ltd | 光通信装置及びローカルエリアネットワーク装置 |
US7668256B2 (en) * | 2006-07-20 | 2010-02-23 | Alcatel-Lucent Usa Inc. | Method and apparatus for the generation and detection of optical differential varied-multilevel phase-shift keying with pulse amplitude modulation (ODVMPSK/PAM) signals |
EP2071747B1 (de) * | 2006-09-26 | 2015-02-18 | Hitachi, Ltd. | Optischer empfänger für ein elektrisches feld und optisches übertragungssystem |
JP4884959B2 (ja) * | 2006-12-28 | 2012-02-29 | 日本電信電話株式会社 | 光ディジタル伝送システムおよび方法 |
CN102217215B (zh) * | 2008-11-28 | 2013-11-06 | 株式会社日立制作所 | 光电场发送器和光传送系统 |
WO2012163419A1 (en) * | 2011-06-01 | 2012-12-06 | Telefonaktiebolaget L M Ericsson (Publ) | Modulator for optical transmitter |
-
2014
- 2014-02-17 KR KR1020157023021A patent/KR20150113064A/ko active IP Right Grant
- 2014-02-17 EP EP14707583.2A patent/EP2959614A1/de not_active Withdrawn
- 2014-02-17 WO PCT/US2014/016671 patent/WO2014130386A1/en active Application Filing
- 2014-02-17 JP JP2015558896A patent/JP6045723B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2014130386A1 (en) | 2014-08-28 |
JP2016513421A (ja) | 2016-05-12 |
KR20150113064A (ko) | 2015-10-07 |
EP2959614A1 (de) | 2015-12-30 |
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