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Specification for a reconfigurable optoelectronic VLSI processor suitable for digital signal processing.

D Fey, B Kasche, C Burkert

    Applied Optics
    |February 13, 2008
    PubMed
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    This study introduces a novel parallel digital signal processor using optical interconnections and optoelectronic circuits. This design significantly boosts processing throughput compared to electronic systems.

    Area of Science:

    • Computer Engineering
    • Optoelectronics
    • VLSI

    Background:

    • Traditional electronic processors face limitations in speed and throughput for complex computations.
    • Massively parallel architectures require efficient high-bandwidth interconnections.

    Purpose of the Study:

    • To present a concept for a parallel digital signal processor leveraging optical interconnections.
    • To demonstrate the performance advantages of optoelectronic very-large-scale integration (VLSI) circuits.

    Main Methods:

    • Developing a processor concept combining optical communication, architecture, and algorithms.
    • Analyzing low-level algorithms from the add-and-shift class for fine-grain parallelism.
    • Mapping a bit-serial architecture onto a 3D optoelectronic circuit.

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  • Specifying the optical interconnection scheme.

    • Main Results:

    • Optical interconnections and optoelectronic VLSI circuits enable superior throughput over electronic solutions.
    • Fine-grain, massively parallel architectures are achievable with add-and-shift algorithms.
    • A bit-serial architecture demonstrates superior performance in comparative analysis.

    Conclusions:

    • Optically interconnected, massively parallel processors offer a significant performance leap for digital signal processing.
    • 3D optoelectronic circuits with optimized optical interconnections are key to realizing these high-performance systems.