ES2045416T3 - Metodo y aparato para transmitir informacion. - Google Patents
Metodo y aparato para transmitir informacion.Info
- Publication number
- ES2045416T3 ES2045416T3 ES89303323T ES89303323T ES2045416T3 ES 2045416 T3 ES2045416 T3 ES 2045416T3 ES 89303323 T ES89303323 T ES 89303323T ES 89303323 T ES89303323 T ES 89303323T ES 2045416 T3 ES2045416 T3 ES 2045416T3
- Authority
- ES
- Spain
- Prior art keywords
- transmitted
- signals
- transmit information
- combined
- information
- 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 - Lifetime
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
- H04B10/25—Arrangements specific to fibre transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/008—Polarisation modulation
Abstract
UN METODO Y APARATO PARA TRANSMITIR INFORMACION COMPRENDE UN GENERADOR DE SEÑAL (1) PARA GENERAR CONTINUAMENTE UN PAR DE SEÑALES OPTICAS (F1, F2) . ESTAS SEÑALES SON MODULADAS SIMILARMENTE EN UN MODULADOR (5) CON LA INFORMACION QUE DEBE SER TRANSMITIDA Y SON COMBINADAS CON SUS POLARIZACIONES SUSTANCIALMENTE ORTOGONALES. LA SEÑALES COMBINADAS SE TRANSMITEN CON LAS PARTES DE CADA SEÑAL MODULADA CON LA MISMA INFORMACION QUE SE TRANSMITEN JUNTAS POR UNA FIBRA OPTICA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888808043A GB8808043D0 (en) | 1988-04-06 | 1988-04-06 | Methods & apparatus for transmitting information |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2045416T3 true ES2045416T3 (es) | 1994-01-16 |
Family
ID=10634661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES89303323T Expired - Lifetime ES2045416T3 (es) | 1988-04-06 | 1989-04-04 | Metodo y aparato para transmitir informacion. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5107358A (es) |
EP (1) | EP0337644B1 (es) |
JP (1) | JPH03503705A (es) |
AT (1) | ATE95016T1 (es) |
AU (1) | AU627175B2 (es) |
CA (1) | CA1324689C (es) |
DE (1) | DE68909286T2 (es) |
ES (1) | ES2045416T3 (es) |
GB (1) | GB8808043D0 (es) |
WO (1) | WO1989010031A1 (es) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5132829A (en) * | 1989-12-18 | 1992-07-21 | Bell Telephone Laboratories Inc. | Tone spacing and power level monitor for fsk lightwave systems |
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 |
IT1250199B (it) * | 1991-07-04 | 1995-04-03 | Cselt Centro Studi Lab Telecom | Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazione |
IT1250198B (it) * | 1991-07-04 | 1995-04-03 | Cselt Centro Studi Lab Telecom | Sistema di comunicazione ottica coerente a modulazione di polarizzazione |
NL9200748A (nl) * | 1992-04-23 | 1993-11-16 | Nederland Ptt | Optische signaaloverdracht met polarisatie-ongevoelige coherente detectie en frekwentiestabilisatie aan de ontvangstzijde. |
CA2112175A1 (en) * | 1993-03-08 | 1994-09-09 | Neal S. Bergano | Technique for reducing nonlinear signal degradation and fading in a long optical transmission system |
JP3515116B2 (ja) * | 1993-03-31 | 2004-04-05 | ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | Rf成分を有する光周波数の発生 |
US5491576A (en) * | 1993-12-23 | 1996-02-13 | At&T Corp. | Dual-wavelength data transmitter for reducing fading in an optical transmission system |
CA2133132A1 (en) * | 1993-12-23 | 1995-06-24 | Glen M. Homsey | Technique for improving performance in an optical transmission system |
GB2286937B (en) * | 1994-02-26 | 1998-06-10 | Northern Telecom Ltd | Spectral polarisation separator |
US5452124A (en) * | 1994-03-04 | 1995-09-19 | Williams Telecommunications Group, Inc. | Unidirectional amplification for bi-directional transmission using wavelength-division multiplexing |
US5526162A (en) * | 1994-09-27 | 1996-06-11 | At&T Corp. | Synchronous polarization and phase modulation for improved performance of optical transmission systems |
DE4444218A1 (de) * | 1994-12-13 | 1996-06-27 | Sel Alcatel Ag | Optische Sendeeinrichtung für ein optisches Nachrichtenübertragungssystem in Verbindung mit einem Funksystem |
US5920415A (en) * | 1995-11-21 | 1999-07-06 | The University Of Rochester | Transmission of optical signals |
US5710651A (en) * | 1995-12-13 | 1998-01-20 | California Institute Of Technology | Remote millimeter-wave antenna fiber optic communication system using dual optical signal with millimeter-wave beat frequency |
US6310709B1 (en) | 1995-12-29 | 2001-10-30 | Tyco Submarine Systems Ltd. | Synchronous polarization and phase modulation using a periodic waveform with complex harmonics for improved performance of optical transmission systems |
DE19737482A1 (de) | 1997-08-28 | 1999-03-04 | Alsthom Cge Alcatel | Verfahren zur optischen Übertragung über ein Lichtwellenleiternetz, sowie optisches Übertragungsnetz |
EP0928080A1 (en) * | 1997-12-31 | 1999-07-07 | PIRELLI CAVI E SISTEMI S.p.A. | Suppression of polarization hole burning with an acousto-optic modulator |
US6377378B1 (en) | 1998-01-16 | 2002-04-23 | Pirelli Cavi E Sistemi S.P.A. | Suppression of polarization hole burning with an acousto-optic modulator |
US20060291868A1 (en) * | 1999-12-29 | 2006-12-28 | Forster Energy Llc | Optical communications using multiplexed single sideband transmission and heterodyne detection |
US20020077071A1 (en) * | 2000-07-14 | 2002-06-20 | Williams Lawrence I. | Spin polarized wave division |
US6490069B1 (en) * | 2001-01-29 | 2002-12-03 | Stratalight Communications, Inc. | Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subtraction-based encoder |
US20020109883A1 (en) * | 2001-02-12 | 2002-08-15 | Teradvance Communications, Llc | Method and apparatus for optical data transmission at high data rates with enhanced capacity using polarization multiplexing |
ATE354891T1 (de) * | 2001-08-16 | 2007-03-15 | Ericsson Telefon Ab L M | Optischer verstärker |
WO2003028785A2 (en) * | 2001-10-03 | 2003-04-10 | Medical Instill Technologies, Inc. | Syringe and reconstitution syringe |
JPWO2004025879A1 (ja) * | 2002-09-10 | 2006-01-12 | アライドテレシスホールディングス株式会社 | 光無線通信システム、光無線通信装置、光無線通信方法、及びプログラム |
KR100617709B1 (ko) * | 2004-08-05 | 2006-08-28 | 삼성전자주식회사 | 주파수 변조 방식의 광송신 장치 및 방법 |
JP4498953B2 (ja) * | 2005-03-03 | 2010-07-07 | 日本電信電話株式会社 | コヒーレント光通信装置およびコヒーレント光通信システム |
US7375680B2 (en) * | 2005-05-12 | 2008-05-20 | L-3 Communications Corporation | Ionosphere delay measurement using carrier phase |
JP4703303B2 (ja) * | 2005-07-22 | 2011-06-15 | 日本電信電話株式会社 | 光送信器および周波数シフト型高密度光周波数多重伝送システム |
JP4519745B2 (ja) * | 2005-09-22 | 2010-08-04 | 日本電信電話株式会社 | 周波数シフト型高密度光周波数多重伝送用光送信ユニット、伝送システム及び波長配置方法 |
JP5182154B2 (ja) * | 2009-03-03 | 2013-04-10 | Kddi株式会社 | 光通信システム |
US8542992B2 (en) * | 2010-02-26 | 2013-09-24 | Fujitsu Limited | System and method for mitigating polarization hole burning |
US8811822B2 (en) * | 2010-02-26 | 2014-08-19 | Fujitsu Limited | System and method for selection of ghost channels for mitigating polarization hole burning |
US8670664B2 (en) * | 2010-02-26 | 2014-03-11 | Fujitsu Limited | System and method for managing the selection of ghost channels for mitigating polarization hole burning |
US8090259B2 (en) * | 2010-02-26 | 2012-01-03 | Fujitsu Limited | System and method for optimizing the selection of ghost channels in mitigating polarization hole burning |
US11621795B2 (en) * | 2020-06-01 | 2023-04-04 | Nubis Communications, Inc. | Polarization-diversity optical power supply |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2707749A (en) * | 1949-06-21 | 1955-05-03 | Rines Robert Harvey | System of light beam communication |
GB850110A (en) * | 1958-02-12 | 1960-09-28 | Marconi Wireless Telegraph Co | Improvements in or relating to radio communication systems |
US3457414A (en) * | 1964-08-20 | 1969-07-22 | Avco Corp | Polarized color optical communication system |
GB8515499D0 (en) * | 1985-06-19 | 1985-07-24 | British Telecomm | Digital information transmission system |
US5008958A (en) * | 1988-01-19 | 1991-04-16 | At&T Bell Laboratories | Polarization-insensitive technique for coherent optical communication |
-
1988
- 1988-04-06 GB GB888808043A patent/GB8808043D0/en active Pending
-
1989
- 1989-04-04 JP JP1504179A patent/JPH03503705A/ja active Pending
- 1989-04-04 ES ES89303323T patent/ES2045416T3/es not_active Expired - Lifetime
- 1989-04-04 US US07/603,708 patent/US5107358A/en not_active Expired - Fee Related
- 1989-04-04 EP EP89303323A patent/EP0337644B1/en not_active Expired - Lifetime
- 1989-04-04 CA CA000595679A patent/CA1324689C/en not_active Expired - Fee Related
- 1989-04-04 WO PCT/GB1989/000343 patent/WO1989010031A1/en unknown
- 1989-04-04 AU AU34155/89A patent/AU627175B2/en not_active Ceased
- 1989-04-04 DE DE89303323T patent/DE68909286T2/de not_active Expired - Lifetime
- 1989-04-04 AT AT89303323T patent/ATE95016T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH03503705A (ja) | 1991-08-15 |
EP0337644B1 (en) | 1993-09-22 |
AU3415589A (en) | 1989-11-03 |
AU627175B2 (en) | 1992-08-20 |
GB8808043D0 (en) | 1988-05-25 |
DE68909286T2 (de) | 1994-04-28 |
ATE95016T1 (de) | 1993-10-15 |
WO1989010031A1 (en) | 1989-10-19 |
US5107358A (en) | 1992-04-21 |
CA1324689C (en) | 1993-11-23 |
DE68909286D1 (de) | 1993-10-28 |
EP0337644A1 (en) | 1989-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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