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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 26, Iss. 10 — Oct. 1, 2009
  • pp: 2269–2274

Numerical estimation of storage capacity in reflection-type holographic disk memory with three-dimensional speckle-shift multiplexing

Masato Miura, Kouichi Nitta, and Osamu Matoba  »View Author Affiliations


JOSA A, Vol. 26, Issue 10, pp. 2269-2274 (2009)
http://dx.doi.org/10.1364/JOSAA.26.002269


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Abstract

Maximum storage capacity in a reflection-type holographic memory with three-dimensional speckle shift multiplexing is investigated numerically. An explicit expression of storage capacity is derived on the basis of interpage crosstalk noise. We fabricate a simulator to evaluate reflection-type holographic data storage by calculating wave propagation, recording a hologram, and reconstruction by scalar diffraction. We calculate the properties of the resultant diffraction efficiency, that is the noise, at the first null in the speckle-shift multiplexing. Numerical results indicate that the storage capacity is proportional to the numerical aperture to the fourth power and to the volume of the recording medium and is inversely proportional to the wavelength to the third power. Achievable storage capacity is discussed.

© 2009 Optical Society of America

OCIS Codes
(090.7330) Holography : Volume gratings
(210.2860) Optical data storage : Holographic and volume memories

ToC Category:
Optical Data Storage

History
Original Manuscript: May 19, 2009
Revised Manuscript: August 23, 2009
Manuscript Accepted: August 27, 2009
Published: September 28, 2009

Citation
Masato Miura, Kouichi Nitta, and Osamu Matoba, "Numerical estimation of storage capacity in reflection-type holographic disk memory with three-dimensional speckle-shift multiplexing," J. Opt. Soc. Am. A 26, 2269-2274 (2009)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-26-10-2269

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