IT9047949A0 - Metodo per la formazione di un segnale multilivello su una portante ottica coerente mediante modulazione di fase e di polarizzazione della portante e apparato di trasmissione e di ricezione eterodina di segnali formati con tale metodo. - Google Patents

Metodo per la formazione di un segnale multilivello su una portante ottica coerente mediante modulazione di fase e di polarizzazione della portante e apparato di trasmissione e di ricezione eterodina di segnali formati con tale metodo.

Info

Publication number
IT9047949A0
IT9047949A0 IT9047949A IT4794990A IT9047949A0 IT 9047949 A0 IT9047949 A0 IT 9047949A0 IT 9047949 A IT9047949 A IT 9047949A IT 4794990 A IT4794990 A IT 4794990A IT 9047949 A0 IT9047949 A0 IT 9047949A0
Authority
IT
Italy
Prior art keywords
carrier
heterodyn
formation
phase
transmission
Prior art date
Application number
IT9047949A
Other languages
English (en)
Other versions
IT9047949A1 (it
IT1239609B (it
Inventor
Silvello Betti
Franco Curti
Marchis Giancarlo De
Eugenio Iannone
Original Assignee
Bordoni Ugo Fondazione
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bordoni Ugo Fondazione filed Critical Bordoni Ugo Fondazione
Priority to IT47949A priority Critical patent/IT1239609B/it
Publication of IT9047949A0 publication Critical patent/IT9047949A0/it
Priority to PCT/IT1991/000036 priority patent/WO1991018455A1/en
Priority to US07/946,333 priority patent/US5416628A/en
Priority to AT91920988T priority patent/ATE112115T1/de
Priority to AU77598/91A priority patent/AU7759891A/en
Priority to DE69104199T priority patent/DE69104199D1/de
Priority to EP91920988A priority patent/EP0527966B1/en
Publication of IT9047949A1 publication Critical patent/IT9047949A1/it
Application granted granted Critical
Publication of IT1239609B publication Critical patent/IT1239609B/it

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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/532—Polarisation 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
    • H04B10/61—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
IT47949A 1990-05-11 1990-05-11 Metodo per la formazione di un segnale multilivello su una portante ottica coerente mediante modulazione di fase e di polarizzazione della portante e apparato di trasmissione e di ricezione eterodina di segnali formati con tale metodo IT1239609B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT47949A IT1239609B (it) 1990-05-11 1990-05-11 Metodo per la formazione di un segnale multilivello su una portante ottica coerente mediante modulazione di fase e di polarizzazione della portante e apparato di trasmissione e di ricezione eterodina di segnali formati con tale metodo
PCT/IT1991/000036 WO1991018455A1 (en) 1990-05-11 1991-05-06 A multilevel coherent optical system
US07/946,333 US5416628A (en) 1990-05-11 1991-05-06 Multilevel coherent optical system
AT91920988T ATE112115T1 (de) 1990-05-11 1991-05-06 Kohärentes optisches system mit mehreren ebenen.
AU77598/91A AU7759891A (en) 1990-05-11 1991-05-06 A multilevel coherent optical system
DE69104199T DE69104199D1 (de) 1990-05-11 1991-05-06 Kohärentes optisches system mit mehreren ebenen.
EP91920988A EP0527966B1 (en) 1990-05-11 1991-05-06 A multilevel coherent optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT47949A IT1239609B (it) 1990-05-11 1990-05-11 Metodo per la formazione di un segnale multilivello su una portante ottica coerente mediante modulazione di fase e di polarizzazione della portante e apparato di trasmissione e di ricezione eterodina di segnali formati con tale metodo

Publications (3)

Publication Number Publication Date
IT9047949A0 true IT9047949A0 (it) 1990-05-11
IT9047949A1 IT9047949A1 (it) 1991-11-11
IT1239609B IT1239609B (it) 1993-11-11

Family

ID=11263552

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47949A IT1239609B (it) 1990-05-11 1990-05-11 Metodo per la formazione di un segnale multilivello su una portante ottica coerente mediante modulazione di fase e di polarizzazione della portante e apparato di trasmissione e di ricezione eterodina di segnali formati con tale metodo

Country Status (6)

Country Link
US (1) US5416628A (it)
EP (1) EP0527966B1 (it)
AT (1) ATE112115T1 (it)
DE (1) DE69104199D1 (it)
IT (1) IT1239609B (it)
WO (1) WO1991018455A1 (it)

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FR2719957B1 (fr) * 1994-05-11 1996-08-09 France Telecom Procédé pour la transmission d'informations codées sous forme binaire par un train de solitons.
US5760940A (en) * 1995-10-27 1998-06-02 Lucent Technologies Inc. Methods for monitoring optical path characteristics in an optical communication system
US5790293A (en) * 1995-10-27 1998-08-04 Lucent Technologies Inc. Systems for monitoring optical path characteristics in an optical communication system
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DE69901158T2 (de) * 1999-02-04 2002-10-31 Lucent Technologies Inc Polarisationsmodulation für optische Übertragung
US6738105B1 (en) * 2000-11-02 2004-05-18 Intel Corporation Coherent light despeckling
US7173551B2 (en) * 2000-12-21 2007-02-06 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
CA2330195A1 (en) * 2001-01-03 2002-07-03 Melih Ogmen Multi wavelength coding for digital signal processing
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
US20020131125A1 (en) * 2001-03-16 2002-09-19 Myers Michael H. Replicated-spectrum photonic transceiving
US20020131100A1 (en) * 2001-03-16 2002-09-19 Myers Michael H. Method for photonic wavelength error detection
US6407846B1 (en) 2001-03-16 2002-06-18 All Optical Networks, Inc. Photonic wavelength shifting method
US7307569B2 (en) * 2001-03-29 2007-12-11 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
US7149256B2 (en) * 2001-03-29 2006-12-12 Quellan, Inc. Multilevel pulse position modulation for efficient fiber optic communication
IL158211A0 (en) * 2001-04-04 2004-05-12 Quellan Inc Method and system for decoding multilevel signals
US20030030873A1 (en) * 2001-05-09 2003-02-13 Quellan, Inc. High-speed adjustable multilevel light modulation
US6865345B2 (en) * 2001-08-28 2005-03-08 Agilent Technologies, Inc. Frequency translating devices and frequency translating measurement systems that utilize light-activated resistors
US6990296B2 (en) * 2001-12-21 2006-01-24 Fujitsu Limited Optical phase modulation
WO2003071731A1 (en) * 2002-02-15 2003-08-28 Quellan, Inc. Multi-level signal clock recovery technique
AU2003217947A1 (en) * 2002-03-08 2003-09-22 Quellan, Inc. High speed analog-to-digital converter using a unique gray code having minimal bit transitions
WO2003092237A1 (en) * 2002-04-23 2003-11-06 Quellan, Inc. Combined ask/dpsk modulation system
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US6961129B2 (en) * 2003-05-15 2005-11-01 Agilent Technologies, Inc. Active control of two orthogonal polarizations for heterodyne interferometry
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US7804760B2 (en) * 2003-08-07 2010-09-28 Quellan, Inc. Method and system for signal emulation
US7215893B2 (en) * 2003-08-28 2007-05-08 The Boeing Company RF photonics residual error correction
DE602004030032D1 (de) 2003-11-17 2010-12-23 Quellan Inc Verfahren und system zur löschung von antennenstörungen
US7616700B2 (en) 2003-12-22 2009-11-10 Quellan, Inc. Method and system for slicing a communication signal
US7844186B2 (en) * 2004-02-20 2010-11-30 Alcatel-Lucent Usa Inc. Method and apparatus for optical transmission
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US20090214224A1 (en) * 2007-04-03 2009-08-27 Celight, Inc. Method and apparatus for coherent analog rf photonic transmission
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
EP2086130B1 (en) 2008-01-29 2013-01-09 Alcatel Lucent Combined phase and polarization modulation for optical communication
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US20100158521A1 (en) * 2008-12-18 2010-06-24 Alcatel-Lucent Usa Inc. Optical mixer for coherent detection of polarization-multiplexed signals
JP2012521153A (ja) 2009-03-20 2012-09-10 アルカテル−ルーセント 多機能導波路格子を有するコヒーレント光検出器
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Also Published As

Publication number Publication date
EP0527966B1 (en) 1994-09-21
IT9047949A1 (it) 1991-11-11
EP0527966A1 (en) 1993-02-24
WO1991018455A1 (en) 1991-11-28
US5416628A (en) 1995-05-16
IT1239609B (it) 1993-11-11
DE69104199D1 (de) 1994-10-27
ATE112115T1 (de) 1994-10-15

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0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960521