Optical phase conjugation by an As2S3 glass planar waveguide for dispersion-free transmission of WDM-DPSK signals over fiber

M. D. Pelusi, Luan F. Luan, Choi D.-Y. Choi, Madden S.J. Madden, Bulla D.A.P. Bulla, B. Luther-Davies, B. J. Eggleton

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    27 Citations (Scopus)

    Abstract

    We report the first demonstration of optical phase conjugation (OPC) transmission of phase encoded and wavelength-division multiplexed (WDM) signals by the Kerr effect in a planar structured waveguide. The phase conjugated electric field of the signal is produced by four wave mixing pumped by a CW laser during co-propagating with the signal in a highly nonlinear waveguide fabricated in As2S3 glass. Experiments demonstrate the capability of the device to perform dispersion-free transmission through up to 225 km of standard single mode fiber for a 3 × 40 Gb/s WDM signal, with its channels encoded as return-to-zero differential phase shift keying and spaced either 100 or 200 GHz apart. This work represents an important milestone towards demonstrating advanced signal processing of high-speed and broadband optical signals in compact planar waveguides, with the potential for monolithic optical integration.

    Original languageEnglish
    Pages (from-to)26686-26694
    Number of pages9
    JournalOptics Express
    Volume18
    Issue number25
    DOIs
    Publication statusPublished - 6 Dec 2010

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