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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

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High-speed, acousto-optically addressed optical memory.

J H Sharp, D M Budgett, C R Chatwin

    Applied Optics
    |November 19, 2010
    PubMed
    Summary
    This summary is machine-generated.

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    A new holographic optical memory system uses an acousto-optic deflector for fast data access. This system achieves high data transfer rates for storing and retrieving digital information.

    Area of Science:

    • Optics and Photonics
    • Data Storage Technologies
    • Holography

    Background:

    • Volume holographic optical memory offers high storage density.
    • Efficient and rapid addressing of memory pages is crucial for performance.
    • Acousto-optic deflectors provide fast beam steering capabilities.

    Purpose of the Study:

    • To construct and evaluate a page-oriented, angle-multiplexed volume holographic optical memory system.
    • To assess the data transfer rates achievable with this system.
    • To compare the reconstruction quality using an acousto-optic deflector versus original recording optics.

    Main Methods:

    • Construction of a page-oriented, angle-multiplexed volume holographic optical memory system.
    • Utilizing an acousto-optic deflector for addressing memory pages with a random-access time of 16 µs.

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  • Measuring data transfer rates during the storage of binary data pages.
  • Assessing image reconstruction quality.

    • Main Results:

    • The system achieved a data transfer rate of 5.28 Gbits/s.
    • The random-access time for addressing pages was 16 microseconds.
    • Reconstruction quality was evaluated by comparing the acousto-optic device performance with the original recording optics.

    Conclusions:

    • The developed system demonstrates high-speed data storage capabilities.
    • Acousto-optic deflection enables efficient page addressing in holographic memory.
    • The system shows promise for advanced optical data storage applications.