Backpropagating neurons from bichromatic interaction with a three-level system

David Kagan, Harry Friedmann

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Optical implementation of a backpropagating neuron by means of a nonlinear Fabry-Perot etalon requires thresholding a forward signal beam while the transmittance of a backpropagating beam is multiplied by the differential of the forward signal. This is achievable by inputting a bichromatic field to a three-level system in an optical cavity. The response characteristics of this device have the added possibility of adaptability of the threshold by the backward probe input intensity.

Original languageEnglish
Pages (from-to)1697-1700
Number of pages4
JournalApplied Optics
Issue number9
StatePublished - May 1989


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