Cross-talk noise in angle multiplexing holographic memories

Xiaochun Li; Qingsheng He; Minxian Wu; Yingbai Yan; Guofan Jin

doi:10.1117/12.319427

25 August 1998 Cross-talk noise in angle multiplexing holographic memories

Xiaochun Li, Qingsheng He, Minxian Wu, Yingbai Yan, Guofan Jin

Proceedings Volume 3388, Advances in Optical Information Processing VIII; (1998) https://doi.org/10.1117/12.319427
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

Based on the known diffraction property of an elementary volume grating and on the linear superposition assumption of the diffracted wave field, we propose in this paper a simple method to analyze the cross-talk noise in an angle multiplexing holographic memory. The variation of the angular selectivity of stored volume holograms due to the change of the incident angles of both the signal and the reference beams is considered. It is found that the cross- talk noise varies with the order of the retrieved hologram in an oscillation fashion. The highest cross-talk noise given in this paper is larger than that given previously and should be approximated by a piecewise linear or quadratic function of the storage capacity, rather than by a simple linear function. The effect of increasing the angular separation between the reference beams of adjacent holograms on the cross-talk performance is discussed.

Citation Download Citation

Xiaochun Li, Qingsheng He, Minxian Wu, Yingbai Yan, and Guofan Jin "Cross-talk noise in angle multiplexing holographic memories", Proc. SPIE 3388, Advances in Optical Information Processing VIII, (25 August 1998); https://doi.org/10.1117/12.319427

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