ATE390768T1 - Faseroptisches übertragungssystem, sender und empfänger für dqpsk modulierte signale und zugehöriges stabilisierungsverfahren - Google Patents

Faseroptisches übertragungssystem, sender und empfänger für dqpsk modulierte signale und zugehöriges stabilisierungsverfahren

Info

Publication number
ATE390768T1
ATE390768T1 AT05292532T AT05292532T ATE390768T1 AT E390768 T1 ATE390768 T1 AT E390768T1 AT 05292532 T AT05292532 T AT 05292532T AT 05292532 T AT05292532 T AT 05292532T AT E390768 T1 ATE390768 T1 AT E390768T1
Authority
AT
Austria
Prior art keywords
signal
generating
bias
transmitter
detector
Prior art date
Application number
AT05292532T
Other languages
English (en)
Inventor
Gabriel Charlet
Thibaut Fauconnier
Original Assignee
Alcatel Lucent
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 Alcatel Lucent filed Critical Alcatel Lucent
Application granted granted Critical
Publication of ATE390768T1 publication Critical patent/ATE390768T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
    • 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
    • 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
    • H04B10/5053—Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators
    • 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
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50575—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the modulator DC bias
    • 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
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50577—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the phase of the modulating signal
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT05292532T 2005-11-25 2005-11-25 Faseroptisches übertragungssystem, sender und empfänger für dqpsk modulierte signale und zugehöriges stabilisierungsverfahren ATE390768T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05292532A EP1791274B1 (de) 2005-11-25 2005-11-25 Faseroptisches Übertragungssystem, Sender und Empfänger für DQPSK modulierte Signale und zugehöriges Stabilisierungsverfahren

Publications (1)

Publication Number Publication Date
ATE390768T1 true ATE390768T1 (de) 2008-04-15

Family

ID=36096319

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05292532T ATE390768T1 (de) 2005-11-25 2005-11-25 Faseroptisches übertragungssystem, sender und empfänger für dqpsk modulierte signale und zugehöriges stabilisierungsverfahren

Country Status (5)

Country Link
US (1) US8041228B2 (de)
EP (1) EP1791274B1 (de)
CN (1) CN1972161B (de)
AT (1) ATE390768T1 (de)
DE (1) DE602005005697T2 (de)

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US10177852B2 (en) 2015-05-04 2019-01-08 Plugtech Precision Systems Limited (Shenzhen) Method and apparatus for automatically controlling bias voltage of optical modulator

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Publication number Priority date Publication date Assignee Title
US10177852B2 (en) 2015-05-04 2019-01-08 Plugtech Precision Systems Limited (Shenzhen) Method and apparatus for automatically controlling bias voltage of optical modulator

Also Published As

Publication number Publication date
CN1972161B (zh) 2011-08-17
EP1791274A1 (de) 2007-05-30
US20070122161A1 (en) 2007-05-31
EP1791274B1 (de) 2008-03-26
US8041228B2 (en) 2011-10-18
DE602005005697T2 (de) 2009-04-30
DE602005005697D1 (de) 2008-05-08
CN1972161A (zh) 2007-05-30

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