Design of optical decoders using a polarization-encoded optical shadow-casting scheme.
We present the design of various decoders in the polarization-encoded optical shadow-casting scheme (POSC). A general algorithm is used to design these multioutput combinational logic units with separate and simultaneous generation of outputs. In particular, the design of a binary coded decimal (BCD) to an Octal decoder and a BCD to an Excess-3 converter is presented for a fixed source plane as well as a fixed decoding mask. The results have been verified experimentally.
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