All-Optical envelope detection and fiber transmission of wireless signals by external injection of a DFB laser

Kamau Prince, Idelfonso Tafur Monroy

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    Abstract

    We outline a novel method for all-optical envelope detection of wireless signals by exploiting cross-gain modulation effects in a distributed feedback laser operating with optical injection. We successfully demonstrate envelope detection of a 20-GHz carrier amplitude-shift-keying modulated signal at 2.5 Gb/s and its transmission over a 70-km optical fiber link. We present results including bit-error-rate measurements, signal waveforms, and receiver sensitivity penalties associated with envelope detection and fiber transmission.
    Original languageEnglish
    JournalIEEE Photonics Technology Letters
    Volume20
    Issue number15
    Pages (from-to)1317-1319
    ISSN1041-1135
    DOIs
    Publication statusPublished - 2008

    Bibliographical note

    Copyright: 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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