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Updated: Jun 19, 2026

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Digital wavelength-multiplexed holographic data storage system.

D Lande, J F Heanue, M C Bashaw

    Optics Letters
    |November 3, 2009
    PubMed
    Summary
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    A new digital holographic data storage system uses wavelength multiplexing for efficient data recording. This system automatically stores and retrieves 60-kilobyte files using a tunable diode laser and lithium niobate crystal.

    Area of Science:

    • Optics and Photonics
    • Data Storage Technologies
    • Materials Science

    Background:

    • Digital holographic data storage offers high-density storage potential.
    • Wavelength multiplexing is a key technique for increasing storage capacity.
    • Lithium niobate crystals are suitable photorefractive materials for holographic applications.

    Purpose of the Study:

    • To present a novel digital holographic data storage system.
    • To demonstrate wavelength multiplexing in a 90-degree geometry.
    • To evaluate the system's performance in automatic data storage and retrieval.

    Main Methods:

    • Implementation of a digital holographic data storage system.
    • Utilizing wavelength multiplexing with an automated tunable diode laser.

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    Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

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    Last Updated: Jun 19, 2026

    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
    08:48

    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

    Published on: September 25, 2020

    Quasi-light Storage for Optical Data Packets
    07:45

    Quasi-light Storage for Optical Data Packets

    Published on: February 6, 2014

    Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
    09:04

    Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

    Published on: January 14, 2020

  • Employing a lithium niobate crystal as the storage medium.
  • Demonstrating automatic storage and retrieval of a 60-kilobyte data file.

    • Main Results:

    • Successful demonstration of a digital holographic data storage system.
    • Achieved automatic storage and retrieval of a 60-kilobyte data file.
    • Validated the effectiveness of wavelength multiplexing in a 90-degree geometry.

    Conclusions:

    • The developed system shows promise for high-capacity digital data storage.
    • Further research is needed to address system limitations and explore future implementations.
    • The combination of wavelength multiplexing and lithium niobate offers a viable approach for advanced holographic storage.