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    Terahertz Generation in an Electrically Biased Optical Fiber: A Theoretical Investigation

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    Date
    2012
    Type
    Article
    Author
    Montasir Qasymeh
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    Abstract
    This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. We propose and theoretically investigate a novel approach for generating terahertz (THz) radiation in a standard single-mode fiber. The optical fiber is mediated by an electrostatic field, which induces an effective second-order nonlinear susceptibility via the Kerr effect. The THz generation is based on difference frequency generation (DFG). A dispersive fiber Bragg grating (FBG) is utilized to phase match the two interacting optical carriers. A ring resonator is utilized to boost the optical intensities in the biased optical fiber. A mathematical model is developed which is supported by a numerical analysis and simulations. It is shown that a wide spectrum of a tunable THz radiation can be generated, providing a proper design of the FBG and the optical carriers .
    URI
    https://dspace.adu.ac.ae/handle/1/994
    DOI
    https://doi.org/10.1155/2012/486849
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    • Electrical Engineering

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