DK3826202T3 - Koherent modtager med blandet signalbehandling - Google Patents

Koherent modtager med blandet signalbehandling Download PDF

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Publication number
DK3826202T3
DK3826202T3 DK20205904.4T DK20205904T DK3826202T3 DK 3826202 T3 DK3826202 T3 DK 3826202T3 DK 20205904 T DK20205904 T DK 20205904T DK 3826202 T3 DK3826202 T3 DK 3826202T3
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DK
Denmark
Prior art keywords
signal processing
mixed signal
coherent receiver
coherent
receiver
Prior art date
Application number
DK20205904.4T
Other languages
English (en)
Inventor
Xiang Zhou
Hong Liu
Original Assignee
Google Llc
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 Google Llc filed Critical Google Llc
Application granted granted Critical
Publication of DK3826202T3 publication Critical patent/DK3826202T3/da

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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
    • H04B10/615—Arrangements affecting the optical part of the receiver
    • H04B10/6151—Arrangements affecting the optical part of the receiver comprising a polarization controller at the receiver's input stage
    • 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
    • H04B10/61—Coherent receivers
    • H04B10/612—Coherent receivers for optical signals modulated with a format different from binary or higher-order PSK [X-PSK], e.g. QAM, DPSK, FSK, MSK, ASK
    • 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
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/25073—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion using spectral equalisation, e.g. spectral filtering
    • 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
    • H04B10/524—Pulse 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
    • H04B10/516—Details of coding or modulation
    • H04B10/54—Intensity modulation
    • H04B10/541—Digital intensity or amplitude 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
    • H04B10/614—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
    • H04B10/615—Arrangements affecting the optical part of the receiver
    • 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
    • H04B10/616—Details of the electronic signal processing in coherent optical receivers
    • H04B10/6162—Compensation of polarization related effects, e.g., PMD, PDL
    • 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
    • H04B10/616—Details of the electronic signal processing in coherent optical receivers
    • H04B10/6164—Estimation or correction of the frequency offset between the received optical signal and the optical local oscillator
    • 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
    • H04B10/616—Details of the electronic signal processing in coherent optical receivers
    • H04B10/6165—Estimation of the phase of the received optical signal, phase error estimation or phase error correction
    • 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
    • H04B10/616—Details of the electronic signal processing in coherent optical receivers
    • H04B10/6166—Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components
    • 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
    • H04B10/63—Homodyne, i.e. coherent receivers where the local oscillator is locked in frequency and phase to the carrier signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/06—Polarisation multiplex systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Communication System (AREA)
DK20205904.4T 2019-11-06 2020-11-05 Koherent modtager med blandet signalbehandling DK3826202T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16/675,375 US10979148B1 (en) 2019-11-06 2019-11-06 Coherent receiver with mixed signal processing

Publications (1)

Publication Number Publication Date
DK3826202T3 true DK3826202T3 (da) 2023-12-04

Family

ID=73138681

Family Applications (1)

Application Number Title Priority Date Filing Date
DK20205904.4T DK3826202T3 (da) 2019-11-06 2020-11-05 Koherent modtager med blandet signalbehandling

Country Status (5)

Country Link
US (4) US10979148B1 (da)
EP (2) EP3826202B1 (da)
CN (1) CN112272060A (da)
DK (1) DK3826202T3 (da)
FI (1) FI3826202T3 (da)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7311806B2 (ja) * 2019-07-01 2023-07-20 日本電信電話株式会社 光受信装置、光伝送システム、光伝送方法及びコンピュータプログラム
US11271646B1 (en) * 2020-12-18 2022-03-08 Huawei Technologies Co., Ltd. System, method and apparatus for monitoring optical performance
US11689292B2 (en) 2021-03-01 2023-06-27 Google Llc Polarization-folding coherent optical technology for short reach optical communication
US11641248B2 (en) 2021-03-01 2023-05-02 Google Llc System, apparatus, and architecture for migrating an optical communication network
US11398868B1 (en) * 2021-05-31 2022-07-26 Solanium Labs Ltd. Intra data center optical communication
US11811499B1 (en) * 2022-04-26 2023-11-07 Lucidean, Inc. Polarization-multiplexed self-homodyne analog coherent (PM-SH-ACD) architecture for optical communication links

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Publication number Priority date Publication date Assignee Title
WO2009071964A1 (en) * 2007-12-06 2009-06-11 Pgt Photonics S.P.A. System and method for coherent detection of optical signals
US8188418B1 (en) * 2010-02-17 2012-05-29 Lockheed Martin Coherent Technologies, Inc. Switchable hybrid receiver for coherent and direct optical detection
US20120269514A1 (en) * 2011-04-25 2012-10-25 Fujitsu Limited High Speed IO with Coherent Detection
US9252988B2 (en) * 2011-11-30 2016-02-02 At&T Intellectual Property I, Lp System and methods for adaptive equalization for optical modulation formats
EP2634935B1 (en) * 2012-02-28 2014-09-17 Alcatel Lucent Coherent transponder with enhanced frequency locking
US20140241722A1 (en) * 2013-02-25 2014-08-28 Alcatel-Lucent Usa Inc. PDM-(M) Ask Optical Systems And Methods For Metro Network Applications
US9191120B2 (en) * 2013-09-04 2015-11-17 At&T Intellectual Property I, L.P. Method and system for optical impairments mitigation for high-speed optical communication systems
US9553715B2 (en) * 2014-12-22 2017-01-24 Opel Solar, Inc. Optical phase detector for an optical phase lock loop
WO2018099573A1 (en) 2016-12-02 2018-06-07 Telefonaktiebolaget Lm Ericsson (Publ) Optical transmission method and optical receiver apparatus
US10484230B2 (en) 2017-05-01 2019-11-19 Google Llc Mitigating optical modulator impairment for coherent optical communication systems
WO2018213251A1 (en) * 2017-05-15 2018-11-22 The Board Of Trustees Of The Leland Stanford Junior University Dsp-free coherent receiver
US20190207702A1 (en) 2017-12-29 2019-07-04 Nokia Solutions And Networks Oy Optical receiver
US10680717B2 (en) * 2018-06-08 2020-06-09 Maxim Integrated Products, Inc. Systems and methods for polarization control using blind source separation
CN109818682B (zh) * 2019-01-22 2020-09-22 烽火通信科技股份有限公司 一种相干信号收发方法、装置及相干无源光网络系统

Also Published As

Publication number Publication date
EP3826202A1 (en) 2021-05-26
US11283526B2 (en) 2022-03-22
TW202119760A (zh) 2021-05-16
EP4236113A3 (en) 2023-11-29
US20210135762A1 (en) 2021-05-06
CN112272060A (zh) 2021-01-26
US20210211203A1 (en) 2021-07-08
US20220166518A1 (en) 2022-05-26
US20230094424A1 (en) 2023-03-30
US10979148B1 (en) 2021-04-13
EP4236113A2 (en) 2023-08-30
US11626926B2 (en) 2023-04-11
EP3826202B1 (en) 2023-09-06
FI3826202T3 (fi) 2023-11-23

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