Abstract
A novel photonic architecture for neuralnetwork implementation was recently proposed,1 which incorporates a hybrid incoherent/coherent recording and readout scheme for the formation and utilization of highly multiplexed volume holograms. In this paper we discuss three of the essential optoelectronic components integrated within this architecture: volume holographic interconnections, multifunction spatial light modulators (SLM's), and two-dimensional incoherent/coherent source arrays.2 The volume holographic interconnections use a novel double angularly multiplexed incoherent/coherent recording and reconstruction technique that minimizes both the recording-induced and readout-induced crosstalk inherent in conventional fan-out/fan-in interconnections, permits incoherent summation of interconnection-weighted inputs, and optimizes overall interconnection throughput efficiency. Multifunction optoelectronic SLM's are used to implement dualchannel two dimensional neuron unit arrays and thus incorporate the detection, amplification, functional implementation (e.g., sigmoidal response), and optical modulation required in the neuron unit planes.
© 1990 Optical Society of America
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