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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 5 — Feb. 10, 1998
  • pp: 929–936

Cross-talk Noise and Storage Capacity of Holographic Memories with a LiNbO3 Crystal in the Open-Circuit Condition

Qiang Gao and Raymond Kostuk  »View Author Affiliations


Applied Optics, Vol. 37, Issue 5, pp. 929-936 (1998)
http://dx.doi.org/10.1364/AO.37.000929


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Abstract

A solution to the Kukhtarev equations is obtained for a typical holographic memory system in which multiplexed holograms, including the effects owing to a nonuniform beam profile in the focal regions, are used. The various noise mechanisms and storage capacity are analyzed on the basis of this solution. The cross-talk noise of a typical 4f holographic memory configuration with defocus is compared with that of a phase mask. It is shown that the memory capacity and the signal-to-noise can be significantly improved by design of an optimal phase mask. The experimental results with defocus and an eight-level phase mask are presented.

© 1998 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(090.4220) Holography : Multiplex holography
(160.5320) Materials : Photorefractive materials

Citation
Qiang Gao and Raymond Kostuk, "Cross-talk Noise and Storage Capacity of Holographic Memories with a LiNbO3 Crystal in the Open-Circuit Condition," Appl. Opt. 37, 929-936 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-5-929

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