Parallel digital and symbolic optical computation via optical phase conjugation.

The use of the optical phase conjugation (OPC) process for parallel digital and symbolic optical computing is described. Using spatially encoded logic and symbolic variables, various OPC-based parallel ultrafast optical logic, symbolic as well as interconnect processors are detailed. The proposed devices are experimentally verified using picosecond pulses from a mode-locked Nd(3+):YAG laser. Based on these processors, an OPC-based ultrafast optical computing architecture is proposed.

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