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A Three Terminal Ring Interferometer Logic Gate
Author(s) -
Yi J,
Cuniberti G
Publication year - 2003
Publication title -
annals of the new york academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.712
H-Index - 248
eISSN - 1749-6632
pISSN - 0077-8923
DOI - 10.1196/annals.1292.021
Subject(s) - xor gate , interference (communication) , logic gate , transmittance , transmission (telecommunications) , interferometry , terminal (telecommunication) , toffoli gate , channel (broadcasting) , ring (chemistry) , topology (electrical circuits) , and gate , electronic engineering , or gate , computer science , physics , optics , electrical engineering , chemistry , algorithm , telecommunications , engineering , quantum mechanics , quantum gate , organic chemistry , quantum algorithm , quantum
A bstract : We propose a carbon‐based logic gate where AND, OR, and XOR logic operations are available. It consists of a carbon nanotube (CNT) ring coupled to three external CNT‐leads, two of them used as input channels, and the third as the output channel. The total transmission for two inputs displays characteristic interference effects. The constructive interference leads to total transmission significantly larger than that for a single input and validates AND gates, whereas the destructive interference corresponds to XOR gates. For OR gates a negligible interference between the transmittance of each single inputs is needed.