Combinational tasks performed by second-harmonic-generated holograms |
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| Authors: | Andreoni A Bondani M Potenza M A |
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| Institution: | Dipartimento di Scienze Chimiche, Fisiche e Matematiche, Università dell'Insubria, Via Valleggio, 11, 22100 Como, Italy. |
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| Abstract: | Second-harmonic-generated holograms directly provide the outputs of logical gates AND and NAND operating on optical bits encoded as amplitude modulations in the object and reference wave fronts. By use of a Nd:YAG laser and a beta-barium borate crystal, we realized a real-time half-adder of two one-digit binary numbers. The feasibility of highly parallel operation is also discussed. |
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