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
Original Manuscript: September 22, 1989
Manuscript Accepted: January 2, 1990
Published: March 15, 1990
John H. Hong, Demetri Psaltis, David Brady, and Pochi Yeh, "Diffraction efficiency of strong volume holograms," Opt. Lett. 15, 344-346 (1990)