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Related Experiment Video

Updated: Jun 6, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Photonic content-addressable memory system that uses a parallel-readout optical disk.

A V Krishnamoorthy, P J Marchand, G Yayla

    Applied Optics
    |November 10, 2010
    PubMed
    Summary
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    This study presents a novel high-performance associative memory system using an optical disk and custom silicon chip. The system demonstrates effective recall of full and partial images, showcasing its potential for advanced data retrieval.

    Area of Science:

    • Computer Engineering
    • Optical Data Storage
    • Artificial Intelligence

    Background:

    • Associative memory systems are crucial for efficient data retrieval.
    • Existing systems often face limitations in speed and capacity.
    • Optical disk technology offers potential for high-density storage.

    Purpose of the Study:

    • To develop and evaluate a high-performance associative memory system.
    • To enable associative recall of full and variable-size subimages.
    • To integrate optical disk technology with custom silicon integrated circuits.

    Main Methods:

    • Implementation using an optical disk modified for parallel readout.
    • Design of a custom silicon integrated circuit with parallel optical input.

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  • Evaluation through experimental results, logic simulations, and software emulation.

    • Main Results:

    • The system achieves associative recall on 128x128 bit images.
    • Variable-size subimage recall was successfully demonstrated.
    • Performance was validated using a motionless-head parallel-readout optical disk system.

    Conclusions:

    • The described system offers a high-performance solution for associative memory.
    • The integration of optical disk and silicon integrated circuits is feasible and effective.
    • This approach has significant implications for advanced image processing and data retrieval.