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    Chaotic dynamics in resonant tunneling optoelectronic voltage controlled oscillators

    Access Status
    Fulltext not available
    Authors
    Romeira, B.
    Figueiredo, J.
    Ironside, Charlie
    Slight, T.
    Date
    2009
    Type
    Journal Article
    
    Metadata
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    Citation
    Romeira, B. and Figueiredo, J. and Ironside, C. and Slight, T. 2009. Chaotic dynamics in resonant tunneling optoelectronic voltage controlled oscillators. IEEE Photonics Technology Letters. 21 (24): pp. 1819-1821.
    Source Title
    IEEE Photonics Technology Letters
    DOI
    10.1109/LPT.2009.2034129
    ISSN
    1041-1135
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/32587
    Collection
    • Curtin Research Publications
    Abstract

    A new way of generating electrical and optical chaotic carriers is demonstrated using an optoelectronic voltage controlled oscillator consisting of a laser diode (LD) driven by a resonant tunneling diode (RTD) perturbed by radio-frequency signals. The high-dimensional broadband (gigahertz-wide) chaotic current produced by the RTD modulates a LD, providing a simple way to convert electrical chaotic signals into optical subcarriers that can be transmitted by conventional optical channels. Since the chaotic current and the chaotic optical subcarriers are controlled accurately and reproducibly by the RTD, we anticipate this concept can be used as the core of a compact, simple, and low-power consumption optical chaos generator for optical communications. © 2009 IEEE.

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