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Proceedings Paper

Optical implementation of a Hopfield-type neural network by the use of persistent spectral hole-burning media
Author(s): Olavi Ollikainen; Aleksander Rebane
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Paper Abstract

Optical implementation of two- and four-dimensional interconnection matrices (memory matrices) in the Hopfield-type neural network is carried out by using persistent spectral hole burning (PSHB) media. The capability of the present optical scheme to correct errors in the input image is demonstrated. The technique of photoburning of persistent spectral holes provides new parallel-accessible degrees of freedom that can be used for ultrafast optical processing. A holographic `monochromator' is proposed for high-resolution parallel detection of a large number of frequency components.

Paper Details

Date Published: 1 November 1991
PDF: 11 pages
Proc. SPIE 1621, Optical Memory and Neural Networks, (1 November 1991); doi: 10.1117/12.50442
Show Author Affiliations
Olavi Ollikainen, Institute of Physics (Estonia)
Aleksander Rebane, Institute of Physics (Estonia)


Published in SPIE Proceedings Vol. 1621:
Optical Memory and Neural Networks

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