Psalltis, D.Brady, D.Gu, X.-G.Lin, S.2010-11-232010-11-232010-11-23199010.1038/343325a02-s2.0-0025060787https://infoscience.epfl.ch/handle/20.500.14299/58156The dense interconnections that characterize neural networks are most readily implemented using optical signal processing. Optoelectronic 'neurons' fabricated from semiconducting materials can be connected by holographic images recorded in photorefractive crystals. Processes such as learning can be demonstrated using holographic optical neural networks.text::journal::journal article::review article