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Implementation of optical associative memory by a computer-generated hologram with a novel thresholding scheme

Zhijie Deng, De-Kui Qing, Philip R. Hemmer, and M. Suhail Zubairy

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Abstract

An associative memory based on a model by Rizvi and Zubairy [Appl. Opt. 33, 3642 (1994) ] is experimentally demonstrated. The parallel optical interconnection is realized compactly by computer-generated holograms. A novel scheme of real-time thresholding is proposed and is proved to be effective and simple to implement. Stored images are successfully retrieved with both complete and partial inputs.

© 2005 Optical Society of America

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