IN2014DN06769A - - Google Patents
Info
- Publication number
- IN2014DN06769A IN2014DN06769A IN6769DEN2014A IN2014DN06769A IN 2014DN06769 A IN2014DN06769 A IN 2014DN06769A IN 6769DEN2014 A IN6769DEN2014 A IN 6769DEN2014A IN 2014DN06769 A IN2014DN06769 A IN 2014DN06769A
- Authority
- IN
- India
Links
Classifications
-
- 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
- H04B10/61—Coherent receivers
- H04B10/614—Coherent receivers comprising one or more polarization beam splitters, e.g. polarization multiplexed [PolMux] X-PSK coherent receivers, polarization diversity heterodyne coherent receivers
-
- 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
- H04B10/61—Coherent receivers
- H04B10/616—Details of the electronic signal processing in coherent optical receivers
- H04B10/6166—Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components
-
- 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
- H04B10/61—Coherent receivers
- H04B10/65—Intradyne, i.e. coherent receivers with a free running local oscillator having a frequency close but not phase-locked to the carrier signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/06—Polarisation multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012046560 | 2012-03-02 | ||
| PCT/JP2013/001279 WO2013128944A1 (en) | 2012-03-02 | 2013-03-01 | Receiver, transmission system, method for receiving polarization multiplexed light signal, non-temporary computer-readable medium storing receiver control program |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2014DN06769A true IN2014DN06769A (en) | 2015-05-22 |
Family
ID=49082155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN6769DEN2014 IN2014DN06769A (en) | 2012-03-02 | 2014-08-12 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9515743B2 (en) |
| EP (1) | EP2840726A4 (en) |
| JP (1) | JP5839106B2 (en) |
| CN (1) | CN104145432B (en) |
| IN (1) | IN2014DN06769A (en) |
| WO (1) | WO2013128944A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10020878B2 (en) * | 2015-04-17 | 2018-07-10 | Fujitsu Limited | Optical signal-to-noise ratio monitor and method for measuring optical signal to-noise ratio |
| WO2017031742A1 (en) * | 2015-08-27 | 2017-03-02 | 华为技术有限公司 | Optical signal processing method and coherent receiver |
| CN110971294B (en) * | 2018-09-28 | 2023-02-17 | 富士通株式会社 | Polarization state change monitoring device and method caused by optical link and optical receiver |
| CN111585645B (en) * | 2019-02-18 | 2023-03-31 | 富士通株式会社 | Polarization state change monitoring device and method caused by optical link and optical receiver |
| US10873390B1 (en) * | 2019-06-06 | 2020-12-22 | Subcom, Llc | System and apparatus for detecting and locating external aggression on an undersea cable |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7266310B1 (en) * | 2003-04-29 | 2007-09-04 | Nortel Networks Limited | Digital compensation for optical transmission system |
| JP2009198364A (en) | 2008-02-22 | 2009-09-03 | Fujitsu Ltd | Monitor circuit for monitoring property of optical fiber transmission line and quality of optical signal |
| US8095019B2 (en) * | 2008-07-30 | 2012-01-10 | Alcatel Lucent | Digital clock and data recovery scheme |
| JP5141498B2 (en) | 2008-10-30 | 2013-02-13 | 富士通株式会社 | Optical transmission / reception system, optical transmitter, optical receiver, and optical transmission / reception method |
| WO2010094342A1 (en) * | 2009-02-20 | 2010-08-26 | Nokia Siemens Networks Gmbh & Co. Kg | Method and arrangement for adaptive dispersion compensation. |
| US8515293B2 (en) * | 2009-05-07 | 2013-08-20 | Nec Corporation | Coherent receiver |
| EP2273701B1 (en) | 2009-06-30 | 2012-07-25 | Alcatel Lucent | An optical burst-mode coherent-detection receiver having a buffer and an additional signal processing portion for determining initial reception parameters |
| JP5499632B2 (en) | 2009-10-28 | 2014-05-21 | 富士通株式会社 | Optical transmitter, optical transmission / reception system, optical transmission method, and optical transmission / reception method |
| US8526831B2 (en) | 2009-12-18 | 2013-09-03 | Alcatel Lucent | Receiver algorithms for coherent detection of polarization-multiplexed optical signals |
| US20120082464A1 (en) | 2010-01-08 | 2012-04-05 | Nec Corporation | Coherent optical receiving apparatus, coherent optical communications system employing same, and coherent optical communications method |
| CN102215189B (en) * | 2010-04-02 | 2014-12-17 | 富士通株式会社 | Filter, coherent receiver and coherent reception method |
| JP5549333B2 (en) * | 2010-04-07 | 2014-07-16 | 富士通株式会社 | Polarization fluctuation compensating apparatus and optical communication system |
| US8478135B2 (en) * | 2010-06-30 | 2013-07-02 | Alcatel Lucent | Method and apparatus for polarization-division-multiplexed optical receivers |
| JP5633352B2 (en) * | 2010-12-09 | 2014-12-03 | 富士通株式会社 | Digital coherent optical receiver, adaptive equalization equalizer, and digital coherent optical communication method |
-
2013
- 2013-03-01 CN CN201380012079.3A patent/CN104145432B/en not_active Expired - Fee Related
- 2013-03-01 WO PCT/JP2013/001279 patent/WO2013128944A1/en active Application Filing
- 2013-03-01 EP EP13754123.1A patent/EP2840726A4/en not_active Withdrawn
- 2013-03-01 US US14/382,494 patent/US9515743B2/en not_active Expired - Fee Related
- 2013-03-01 JP JP2014502054A patent/JP5839106B2/en not_active Expired - Fee Related
-
2014
- 2014-08-12 IN IN6769DEN2014 patent/IN2014DN06769A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013128944A1 (en) | 2013-09-06 |
| JP5839106B2 (en) | 2016-01-06 |
| JPWO2013128944A1 (en) | 2015-07-30 |
| EP2840726A4 (en) | 2015-11-25 |
| EP2840726A1 (en) | 2015-02-25 |
| US9515743B2 (en) | 2016-12-06 |
| US20150110490A1 (en) | 2015-04-23 |
| CN104145432B (en) | 2016-08-24 |
| CN104145432A (en) | 2014-11-12 |