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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 14, Iss. 10 — May. 15, 1989
  • pp: 485–487

All-optical neural network with inhibitory neurons

I. Shariv and A. A. Friesem  »View Author Affiliations


Optics Letters, Vol. 14, Issue 10, pp. 485-487 (1989)
http://dx.doi.org/10.1364/OL.14.000485


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Abstract

A Hopfield-type neural network with only inhibitory interconnections is shown to perform similarly to networks with both inhibitory and excitatory interconnects. With the use of only inhibitory neurons the need to subtract light intensities is eliminated, so an all-optical neural network can be realized. This realization is achieved with a liquid-crystal light valve for implementing a two-dimensional array of 16 inhibitory neurons and an array of subholograms for the interconnections. Two stable states that can be retrieved from noisy optical inputs are demonstrated.

© 1989 Optical Society of America

History
Original Manuscript: November 21, 1988
Manuscript Accepted: February 24, 1989
Published: May 15, 1989

Citation
I. Shariv and A. A. Friesem, "All-optical neural network with inhibitory neurons," Opt. Lett. 14, 485-487 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-10-485


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