1 October 1994 Optical higher-order quaternary signed-digit arithmetic
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Abstract
Higher-order quaternary signed-digit arithmetic using optical symbolic substitution is presented. This technique allows for multi-bit carry-free addition and borrow-free subtraction via a two-step symbolic substitution scheme and leads to a compact design by incorporating more information in fewer digits. Optical implementations based on a contentaddressable memory and on a multichannel correlator are identified.
Mohammad S. Alam, Kanaan Jemili, Mohammad A. Karim, "Optical higher-order quaternary signed-digit arithmetic," Optical Engineering 33(10), (1 October 1994). https://doi.org/10.1117/12.179410 . Submission:
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