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Rayleigh backscattering rejection in single-laser homodyne transceiver for UD-WDM using λ-Shifting

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10.1109/LPT.2021.3061774
 
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Masanas Jiménez, MiquelMés informacióMés informació
Santos Blanco, M. ConcepciónMés informacióMés informacióMés informació
Tabares Giraldo, Jeison
Polo Querol, VíctorMés informacióMés informació
Prat Gomà, Josep JoanMés informacióMés informacióMés informació
Document typeArticle
Defense date2021-04-01
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectRED OPTICA COHERENTE VERSATIL (AEI-RTI2018-097051-B-I00)
SISTEMAS RADIANTES X-WAVE INTEGRADAS DE COMUNICACIONES Y SENSORIZACION (AEI-PID2019-107885GB-C31)
Abstract
With the aim of using a single laser per transceiver in single fiber splitter-based passive optical networks (PON) with coherent homodyne receivers, we apply wavelength shifting in an ultra-dense wavelength division multiplexing (UD-WDM) scheme. The studied architecture is based on a dual-parallel Mach-Zehnder Modulator (DP-MZM) operating in carrier-suppressed single-sideband (CS-SSB). In this configuration, a single laser feeds both the coherent homodyne receiver, and the transmitter, simplifying the wavelength management in the PON. The modulator carries out both data modulation and wavelength shifting. In this study, a bit rate of 4 Gb/s in QPSK is used to test several roll-off factors and channel spacing configurations. The results show that power budget gains of 18 dB are achievable with a channel spacing equal to only the symbol rate.
CitationMasanas, M. [et al.]. Rayleigh backscattering rejection in single-laser homodyne transceiver for UD-WDM using λ-Shifting. "IEEE photonics technology letters", 1 Abril 2021, vol. 33, núm. 7, p. 354-357. 
URIhttp://hdl.handle.net/2117/355113
DOI10.1109/LPT.2021.3061774
ISSN1041-1135
Publisher versionhttps://ieeexplore.ieee.org/document/9361642
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  • Departament de Teoria del Senyal i Comunicacions - Articles de revista [2.394]
  • GCO - Grup de Comunicacions Òptiques - Articles de revista [218]
  • Doctorat en Teoria del Senyal i Comunicacions - Articles de revista [161]
  • RF&MW - Grup de Recerca de Sistemes, Dispositius i Materials de RF i Microones - Articles de revista [200]
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