Abstract
All-optical frequency-encoded AND, OR, and NOT logic gates are proposed and their performance simulated to confirm their feasibility. Terahertz optical asymmetric demultiplexer (TOAD)-based logic gates with a control pulse energy as low as 50 fJ are used, and real-time simulations of their input and output pulse patterns reveal a rate of 20 Gbps. Such logic gates could be used for future all-optical logic processors for optical computation and communication systems.
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Maji, K., Mukherjee, K. & Raja, A. An alternative method for implementation of frequency-encoded logic gates using a terahertz optical asymmetric demultiplexer (TOAD). J Comput Electron 18, 1423–1434 (2019). https://doi.org/10.1007/s10825-019-01393-5
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DOI: https://doi.org/10.1007/s10825-019-01393-5