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    Nano-structured metal-semiconductor-metal photo-detectors for enhanced light absorption

    Access Status
    Fulltext not available
    Authors
    Das, Narottam
    Masouleh, F.
    Mashayekhi, H.
    Date
    2012
    Type
    Conference Paper
    
    Metadata
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    Citation
    Das, N. and Masouleh, F. and Mashayekhi, H. 2012. Nano-structured metal-semiconductor-metal photo-detectors for enhanced light absorption, in Mitra, A. (ed), Proceedings of the 5th International Conference on Computers and Devices for Communications (CODEC), Dec 17-19 2012. Kolkata, India: IEEE.
    Source Title
    Computers and Devices for Communication (CODEC), 2012 5th International Conference on
    Source Conference
    The 5th International Conference on Computers and Devices for Communications 2012 (CODEC2012)
    DOI
    10.1109/CODEC.2012.6509294
    ISBN
    9781467326209
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/32341
    Collection
    • Curtin Research Publications
    Abstract

    Nano-structured metal-semiconductor-metal photodetectors (MSM-PDs) are enable to assist in future high-speed communication devices achieving high responsivity-bandwidth characteristics. Finite difference time-domain (FDTD) method is used to calculate the light absorption enhancement of nano-grating assisted MSM-PDs near the design wavelength by varying detector's geometrical parameters in comparison with a conventional device. The substrate containing apertures and the nano-gratings are optimized in thickness to trigger extraordinary optical transmission. Besides, it demonstrates how the coupling condition satisfies the oscillating charge densities evolution to the surface plasmon polaritons under illumination of polarized light. The simulation results confirm that the light absorption enhancement of nano-grating assisted MSM-PDs is ~13.5-times better than the conventional MSM-PDs.

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