We investigate the diffraction efficiency of strong volume holograms in which the coupling parameter is several times that needed for maximum diffraction efficiency. We discuss the implications of our findings on photorefractive implementations of various neural network systems.
© 1990 Optical Society of America
John H. Hong, Pochi Yeh, Demetri Psaltis, and David Brady, "Diffraction efficiency of strong volume holograms," Opt. Lett. 15, 344-346 (1990)