DE68927524T2 - Optischer Polarisationsdiversitätsempfänger für kohärente optische Übertragung - Google Patents
Optischer Polarisationsdiversitätsempfänger für kohärente optische ÜbertragungInfo
- Publication number
- DE68927524T2 DE68927524T2 DE68927524T DE68927524T DE68927524T2 DE 68927524 T2 DE68927524 T2 DE 68927524T2 DE 68927524 T DE68927524 T DE 68927524T DE 68927524 T DE68927524 T DE 68927524T DE 68927524 T2 DE68927524 T2 DE 68927524T2
- Authority
- DE
- Germany
- Prior art keywords
- diversity receiver
- polarization diversity
- optical
- coherent
- optical transmission
- 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
Links
- 230000003287 optical effect Effects 0.000 title 2
- 230000005540 biological transmission Effects 0.000 title 1
- 230000001427 coherent effect Effects 0.000 title 1
- 230000010287 polarization Effects 0.000 title 1
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
-
- 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
- H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63038021A JPH063512B2 (ja) | 1988-02-19 | 1988-02-19 | コヒーレント光通信用偏波ダイバーシティ光受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68927524D1 DE68927524D1 (de) | 1997-01-23 |
DE68927524T2 true DE68927524T2 (de) | 1997-04-30 |
Family
ID=12513918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68927524T Expired - Fee Related DE68927524T2 (de) | 1988-02-19 | 1989-02-17 | Optischer Polarisationsdiversitätsempfänger für kohärente optische Übertragung |
Country Status (4)
Country | Link |
---|---|
US (1) | US4965858A (de) |
EP (1) | EP0329186B1 (de) |
JP (1) | JPH063512B2 (de) |
DE (1) | DE68927524T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0239131A (ja) * | 1988-07-29 | 1990-02-08 | Hitachi Ltd | 周波数間隔安定化方法、光ヘテロダイン又は光ホモダイン通信方法 |
DE68927969T2 (de) * | 1988-07-29 | 1997-09-11 | Nec Corp | Optischer heterodyner Polarisationsdiversitätsempfänger mit Phaseneinstellung von zwei Zwischenfrequenzsignalen zur Steuerung einer lokalen Lichtquelle |
US5253309A (en) * | 1989-06-23 | 1993-10-12 | Harmonic Lightwaves, Inc. | Optical distribution of analog and digital signals using optical modulators with complementary outputs |
JP3001943B2 (ja) * | 1990-08-30 | 2000-01-24 | 株式会社東芝 | 偏波スイッチング光源、光受信装置及びコヒーレント光伝送システム |
NL9001938A (nl) * | 1990-09-04 | 1992-04-01 | Philips Nv | Polarisatie onafhankelijke ontvanger. |
JPH04150628A (ja) * | 1990-10-15 | 1992-05-25 | Nec Corp | 光通信システムの波長安定化方法および回路 |
US5267072A (en) * | 1991-05-20 | 1993-11-30 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Dual frequency optical carrier technique for transmission of reference frequencies in dispersive media |
US5321850A (en) * | 1991-10-09 | 1994-06-14 | Telefonaktiebolaget L M Ericsson | Diversity radio receiver automatic frequency control |
NL9201077A (nl) * | 1992-06-18 | 1994-01-17 | Nederland Ptt | Optisch transmissiesysteem met frequentieregeling. |
US5574589A (en) * | 1995-01-09 | 1996-11-12 | Lucent Technologies Inc. | Self-amplified networks |
US6407848B1 (en) | 2000-12-27 | 2002-06-18 | All Optical Networks, Inc. | Servo-stabilized-phase, differential coherence detector |
US6473222B2 (en) | 2000-12-27 | 2002-10-29 | John N. Hait | Hyper-heterodyning, expanded bandpass apparatus and method |
US20040208646A1 (en) * | 2002-01-18 | 2004-10-21 | Seemant Choudhary | System and method for multi-level phase modulated communication |
US7460793B2 (en) * | 2002-12-11 | 2008-12-02 | Michael George Taylor | Coherent optical detection and signal processing method and system |
US7529481B1 (en) * | 2003-03-13 | 2009-05-05 | State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of The University Of Oregon | Linear optical sampling methods and apparatus |
US20060098986A1 (en) * | 2004-11-10 | 2006-05-11 | Jung Eui S | Optical receiver for reducing optical beat interference and optical network including the optical receiver |
US7627252B2 (en) * | 2005-02-28 | 2009-12-01 | Nortel Networks Limited | Clock recovery from an optical signal with dispersion impairments |
US7826752B1 (en) * | 2005-06-02 | 2010-11-02 | Level 3 Communications, Llc | Optical transmission apparatuses, methods, and systems |
US7522841B2 (en) * | 2005-10-21 | 2009-04-21 | Nortel Networks Limited | Efficient data transmission and training of data processing functions |
US7606498B1 (en) | 2005-10-21 | 2009-10-20 | Nortel Networks Limited | Carrier recovery in a coherent optical receiver |
US7555227B2 (en) * | 2005-10-21 | 2009-06-30 | Nortel Networks Limited | Polarization compensation in a coherent optical receiver |
US7406269B2 (en) * | 2006-03-10 | 2008-07-29 | Discovery Semiconductors, Inc. | Feedback-controlled coherent optical receiver with electrical compensation/equalization |
US7877020B1 (en) | 2006-04-28 | 2011-01-25 | Hrl Laboratories, Llc | Coherent RF-photonic link linearized via a negative feedback phase-tracking loop |
US7941059B1 (en) * | 2006-04-28 | 2011-05-10 | Hrl Laboratories, Llc | Down conversion for distortion free recovery of a phase modulated optical signal |
US8503568B1 (en) * | 2006-09-07 | 2013-08-06 | The Boeing Company | Differential encoding for multiplexed data streams |
JP5034770B2 (ja) * | 2007-08-16 | 2012-09-26 | 富士通株式会社 | コヒーレント光受信器および光通信システム |
US8204378B1 (en) | 2008-03-27 | 2012-06-19 | Tektronix, Inc. | Coherent optical signal processing |
JP5365315B2 (ja) * | 2009-04-03 | 2013-12-11 | 富士通株式会社 | 光受信機および光受信方法 |
US8761608B2 (en) * | 2010-10-11 | 2014-06-24 | Nec Laboratories America, Inc. | Coded multidimensional pulse amplitude modulation for ultra-high-speed optical transport |
US8687974B2 (en) * | 2011-01-22 | 2014-04-01 | Viasat, Inc. | Skew compensation and tracking in communications systems |
US8693897B2 (en) | 2011-01-22 | 2014-04-08 | Viasat, Inc. | Digital demodulator architecture |
US9154232B2 (en) * | 2011-04-21 | 2015-10-06 | Nec Corporation | Optical reception method and optical receiver using maximal-ratio-combining method |
EP2608426A1 (de) * | 2011-12-21 | 2013-06-26 | Nokia Siemens Networks Oy | Verfahren und Vorrichtung zum Bestimmen der Polarisationstrennung in einem heterodynen Kohärenzempfängers |
EP2856668B1 (de) * | 2012-05-25 | 2016-12-14 | Corning Incorporated | Systeme für differenzielle optische signalisierung |
US9154231B2 (en) * | 2013-01-17 | 2015-10-06 | Alcatel Lucent | Generation of an optical local-oscillator signal for a coherent-detection scheme |
US9281915B2 (en) * | 2013-01-17 | 2016-03-08 | Alcatel Lucent | Optical polarization demultiplexing for a coherent-detection scheme |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2517081A1 (fr) * | 1981-11-26 | 1983-05-27 | Monerie Michel | Procede de detection coherente et de demodulation d'une onde porteuse modulee a etat de polarisation variable et dispositif de mise en oeuvre |
GB2172766B (en) * | 1985-03-21 | 1988-12-21 | Stc Plc | Optical receiver |
GB8514264D0 (en) * | 1985-06-06 | 1985-07-10 | British Telecomm | Coherent optical receivers |
JPH0671233B2 (ja) * | 1986-06-20 | 1994-09-07 | 富士通株式会社 | 二重平衡受光装置 |
JPH0671232B2 (ja) * | 1986-07-14 | 1994-09-07 | 富士通株式会社 | 二重平衡偏波ダイバ−シティ受信装置 |
US4723315A (en) * | 1986-06-24 | 1988-02-02 | Itek Corporation | Polarization matching mixer |
US4912527A (en) * | 1987-07-24 | 1990-03-27 | Nec Corporation | Optical apparatus for pulling an intermediate frequency in a predetermined frequency range |
JP2562623B2 (ja) * | 1987-10-28 | 1996-12-11 | 国際電信電話株式会社 | ベースバンド合成法による偏波ダイバーシティ光受信方式 |
-
1988
- 1988-02-19 JP JP63038021A patent/JPH063512B2/ja not_active Expired - Lifetime
-
1989
- 1989-02-14 US US07/310,628 patent/US4965858A/en not_active Expired - Fee Related
- 1989-02-17 EP EP89102811A patent/EP0329186B1/de not_active Expired - Lifetime
- 1989-02-17 DE DE68927524T patent/DE68927524T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0329186B1 (de) | 1996-12-11 |
EP0329186A3 (de) | 1991-11-13 |
JPH063512B2 (ja) | 1994-01-12 |
US4965858A (en) | 1990-10-23 |
JPH01211736A (ja) | 1989-08-24 |
EP0329186A2 (de) | 1989-08-23 |
DE68927524D1 (de) | 1997-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |