MX2007016078A - Modulador y demodulador para un formato de modulación óptico diferencial con ocho cambios de fase. - Google Patents
Modulador y demodulador para un formato de modulación óptico diferencial con ocho cambios de fase.Info
- Publication number
- MX2007016078A MX2007016078A MX2007016078A MX2007016078A MX2007016078A MX 2007016078 A MX2007016078 A MX 2007016078A MX 2007016078 A MX2007016078 A MX 2007016078A MX 2007016078 A MX2007016078 A MX 2007016078A MX 2007016078 A MX2007016078 A MX 2007016078A
- Authority
- MX
- Mexico
- Prior art keywords
- phase changes
- demodulator
- modulator
- d8psk
- differential modulation
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5055—Laser transmitters using external modulation using a pre-coder
-
- 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
- H04B10/548—Phase or frequency modulation
- H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
- H04B10/5561—Digital phase modulation
-
- 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
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal
- H04B10/677—Optical arrangements in the receiver for all-optical demodulation of the input optical signal for differentially modulated signal, e.g. DPSK signals
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Se presenta un sistema compuesto de un dispositivo modulador y dispositivo modulador y dispositivo demodulador opto-electrónicos para comunicar sistemas de comunicación óptica por medio de modulación diferencial con ocho cambios de fase. Este sistema es capaz de incrementar la capacidad de información transmitida hasta tres veces más comparada a un sistema con dos cambios de fase. Los formatos de modulación que el sistema puede transmitir son denominados como: NRZ-D8PSK, RZ-D8PSK, D8PSK.Se presenta un diseño del modulador compuesto por un precodificador de modulación diferencial y moduladores de fase de señales ópticas, donde las señales que salen del precodificador, controla los moduladores de fase para producir la modulación diferencial con ocho cambios de fase a la señal óptica que proviene de un láser semiconductor. También se presenta un diseño de un demodulador colocado en el extremo terminal del sistema de comunicación compuesto por tres ramas receptoras cada una compuesta con diferentes dispositivos electrónicos utilizados para procesar electrónicamente las señales recibidas.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX2007016078A MX2007016078A (es) | 2007-12-14 | 2007-12-14 | Modulador y demodulador para un formato de modulación óptico diferencial con ocho cambios de fase. |
| PCT/MX2008/000166 WO2009078695A1 (es) | 2007-12-14 | 2008-12-01 | Modulador y demodulador para un formato de modulación óptico diferencial con ocho cambios de fase |
| US12/808,176 US8687970B2 (en) | 2007-12-14 | 2008-12-01 | Modulator and demodulator for a differential optical modulation format with eight phase changes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX2007016078A MX2007016078A (es) | 2007-12-14 | 2007-12-14 | Modulador y demodulador para un formato de modulación óptico diferencial con ocho cambios de fase. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2007016078A true MX2007016078A (es) | 2009-06-15 |
Family
ID=40795712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2007016078A MX2007016078A (es) | 2007-12-14 | 2007-12-14 | Modulador y demodulador para un formato de modulación óptico diferencial con ocho cambios de fase. |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8687970B2 (es) |
| MX (1) | MX2007016078A (es) |
| WO (1) | WO2009078695A1 (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8879922B2 (en) * | 2011-10-11 | 2014-11-04 | Alcatel Lucent | System, method and apparatus for high-sensitivity optical detection |
| WO2013139368A1 (en) * | 2012-03-19 | 2013-09-26 | Telefonaktiebolaget L M Ericsson (Publ) | Phase shift keying optical modulation apparatus and method of encoding a symbol onto an optical carrier signal |
| RU2584149C1 (ru) * | 2012-05-15 | 2016-05-20 | Шэньчжэнь Хэк Телеком Текнолоджи Ко., Лтд. | Система и способ для беспроводной связи |
| CN104509002B (zh) | 2012-05-25 | 2016-12-21 | 康宁股份有限公司 | 用于差分光学信令的系统 |
| AT521851A1 (de) * | 2018-11-13 | 2020-05-15 | Ait Austrian Inst Tech Gmbh | Verfahren zur Übertragung von Daten und/oder Informationen |
| US10715256B1 (en) * | 2019-02-18 | 2020-07-14 | Nokia Solutions And Networks Oy | Recovery of phase-modulated data from an optical signal via intensity measurements |
| EP4123958B1 (en) | 2021-07-22 | 2023-11-01 | Uniwersytet Warszawski | Method for coherent optical communications for the transmission of information and for the distribution of a cryptographic key and a system for implementing the method |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2370473B (en) | 2000-12-21 | 2004-04-07 | Marconi Caswell Ltd | Improvements in or relating to optical communication |
| AUPR818901A0 (en) * | 2001-10-10 | 2001-11-01 | Vpisystems | Optical error simulation system |
| US20040141222A1 (en) * | 2002-11-01 | 2004-07-22 | Communications Res. Lab., Ind. Admin. Inst. | Optical phase multi-level modulation method and apparatus, and error control method |
| US6798557B1 (en) * | 2003-05-22 | 2004-09-28 | Lucent Technologies Inc. | Direct optical N-state phase shift keying |
| WO2004086997A1 (en) * | 2003-03-27 | 2004-10-14 | Blair William A | Apparatus and method for detecting objects using tags and wideband detection device |
| JP3829198B2 (ja) * | 2003-12-01 | 2006-10-04 | 独立行政法人情報通信研究機構 | 光伝送方法及びシステム |
| US7433604B1 (en) * | 2004-07-21 | 2008-10-07 | University Of Central Florida Research Foundation, Inc. | Direct-detection optical differential 8-level phase shift keying (OD8PSK) for spectrally efficient transmission |
| JP4922594B2 (ja) * | 2005-05-23 | 2012-04-25 | 富士通株式会社 | 光送信装置、光受信装置、およびそれらを含む光通信システム |
| JP4440855B2 (ja) * | 2005-08-25 | 2010-03-24 | 富士通株式会社 | Rz−dpsk光受信回路 |
| JP4597820B2 (ja) | 2005-09-05 | 2010-12-15 | 三菱電機株式会社 | パラレルプリコーダ回路 |
| US7558487B2 (en) * | 2005-09-25 | 2009-07-07 | Alcatel-Lucent Usa Inc. | Multilevel amplitude and phase encoded signal generation |
| US7623796B2 (en) * | 2006-02-27 | 2009-11-24 | Alcatel-Lucent Usa Inc. | Data-aided multi-symbol phase estimation for optical differential multilevel phase-shift keying signals |
| 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 |
| US9312964B2 (en) * | 2006-09-22 | 2016-04-12 | Alcatel Lucent | Reconstruction and restoration of an optical signal field |
| US8280261B2 (en) * | 2006-12-15 | 2012-10-02 | Instituto Technologico Y De Estudios Superiores De Monterrey | Optical signal phase regenerator for formats of differential modulation with phase changes |
| US7912378B2 (en) * | 2007-01-26 | 2011-03-22 | Fujitsu Limited | Modulating a signal using a fractional phase modulator |
| JP5321677B2 (ja) * | 2008-07-08 | 2013-10-23 | 日本電気株式会社 | xPSKトランスミッタの位相変調のタイミングを設定する方法及びシステム |
-
2007
- 2007-12-14 MX MX2007016078A patent/MX2007016078A/es active IP Right Grant
-
2008
- 2008-12-01 US US12/808,176 patent/US8687970B2/en active Active
- 2008-12-01 WO PCT/MX2008/000166 patent/WO2009078695A1/es not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009078695A1 (es) | 2009-06-25 |
| US8687970B2 (en) | 2014-04-01 |
| US20110008054A1 (en) | 2011-01-13 |
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Legal Events
| Date | Code | Title | Description |
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| FG | Grant or registration |