Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Reflection-type holographic disk memory with random phase shift multiplexing.

Osamu Matoba1, Yuji Yokohama, Masato Miura

  • 1Department of Computer and Systems Engineering, Kobe University, Japan. matoba@kobe-u.ac.jp

Applied Optics
|May 6, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

3D Image Acquisition and Display: Technology, Perception and Applications 2025: introduction.

Applied optics·2026
Same author

Feature issue introduction: 3D image acquisition and display: technology, perception and applications.

Optics express·2026
Same author

Single-pixel microscopy with enhanced lateral resolution.

Optics express·2025
Same author

Red-shifted excitation enhances the sensitivity of red genetically encoded Ca<sup>2+</sup> indicator and enables crosstalk-free two-photon holographic optophysiology.

Journal of biomedical optics·2025
Same author

Single-shot double-field-of-view polarization holography.

Optics letters·2025
Same author

Sub-pixel deep learning ghost imaging for defect inspection in large areas using blurred illumination.

Applied optics·2025
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

This study introduces a reflection-type holographic disk memory using random phase shift multiplexing. This novel approach demonstrates high potential for terabyte storage capacity and enhanced data security.

Area of Science:

  • Optoelectronics
  • Data Storage Technologies
  • Materials Science

Background:

  • Holographic data storage offers high density but faces challenges in multiplexing and stability.
  • Fe:LiNbO3 crystals are investigated for their photorefractive properties suitable for holographic recording.
  • Shift multiplexing and phase modulation are key techniques for increasing storage capacity.

Purpose of the Study:

  • To propose and experimentally validate a reflection-type holographic disk memory system.
  • To investigate the effectiveness of random phase shift multiplexing for data page superposition.
  • To evaluate the potential for high-capacity data storage and improved data security.

Main Methods:

  • Development of a reflection-type holographic disk memory setup.

Related Experiment Videos

  • Utilizing Fe:LiNbO3 crystals for recording superimposed data pages.
  • Implementing random phase shift multiplexing for enhanced selectivity.
  • Conducting experimental recording of binary data pages and numerical simulations.

    • Main Results:

    • Successful recording of 18x17 bit binary data pages at 4 µm intervals within a 0.5 mm Fe:LiNbO3 crystal.
    • Superposition of six data pages demonstrated feasibility.
    • Numerical simulations confirmed that random phase modulation improves shift selectivity and data security.
    • Experimental and numerical results indicate terabyte storage potential.

    Conclusions:

    • Reflection-type holographic disk memory with random phase shift multiplexing is a viable high-capacity storage solution.
    • Random phase modulation enhances both storage density and data security.
    • This technology holds significant promise for future terabyte-scale data storage systems.