Multichannel nonlinear distortion compensation using optical phase conjugation in a silicon nanowire

Dragana Vukovic, Jochen Schröder, Francesco Da Ros, Liang Bangyuan Du, Chang Joon Chae, Duk Yong Choi, Mark D. Pelusi, Christophe Peucheret

    Research output: Contribution to journalArticlepeer-review

    27 Citations (Scopus)

    Abstract

    We experimentally demonstrate compensation of nonlinear distortion caused by the Kerr effect in a 3 × 32-Gbaud quadrature phaseshift keying (QPSK) wavelength-division multiplexing (WDM) transmission system. We use optical phase conjugation (OPC) produced by four-wave mixing (FWM) in a 7-mm long silicon nanowire. A clear improvement in Q-factor is shown after 800-km transmission with high span input power when comparing the system with and without the optical phase conjugation module. The influence of OSNR degradation introduced by the silicon nanowire is analysed by comparing transmission systems of three different lengths. This is the first demonstration of nonlinear compensation using a silicon nanowire.

    Original languageEnglish
    Pages (from-to)3640-3646
    Number of pages7
    JournalOptics Express
    Volume23
    Issue number3
    DOIs
    Publication statusPublished - 9 Feb 2015

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