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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Experimental verification of parallel processing on a hybrid optical parallel array logic system.

J Tanida, J Nakagawa, E Yagyu

    Applied Optics
    |June 23, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A new hybrid digital optical computing system was built, combining optical parallel array logic (OPALS) with electronics. This system successfully executes programs, demonstrating a novel approach to optical computing.

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    Area of Science:

    • Computer Science
    • Optical Engineering
    • Digital Systems

    Background:

    • Optical parallel array logic (OPALS) offers a pathway for general-purpose digital optical computing.
    • Existing OPALS systems utilize image coding and 2-D correlation for parallel logical operations.

    Purpose of the Study:

    • To construct and verify a hybrid digital optical computing system.
    • To integrate optical and electronic components for enhanced computational capabilities.

    Main Methods:

    • Developed a hybrid system based on the OPALS architecture.
    • Implemented 2-D correlation optically using a modified multireflective correlator.
    • Utilized electronic components, including a TV feedback system, for other optical array logic procedures.

    Main Results:

    • Successfully verified the execution of programs written in optical array logic on the constructed hybrid system.
    • Demonstrated the feasibility of combining optical and electronic processing for digital computation.

    Conclusions:

    • The hybrid digital optical computing system is a viable variation of OPALS.
    • Current system speed is limited by sequential electronic processing but can be improved with parallel components.