Journal
NANO LETTERS
Volume 10, Issue 4, Pages 1168-1171Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl9034175
Keywords
Nanomechanical logic; nanomechanical computing; logical stochastic resonance; stochastic resonance; nanomechanical resonator
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Funding
- NSF [DMR-0449679]
- ONR [N0001409WX20617, N000140910963]
- Division of Computing and Communication Foundations
- Direct For Computer & Info Scie & Enginr [0829885] Funding Source: National Science Foundation
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We present a nanomechanical device, operating as a reprogrammable logic gate, and performing fundamental logic Functions such as AND/OR and NAND/NOR. The logic function can be programmed (e.g., from AND to OR) dynamically, by adjusting the resonator's operating parameters. The device can access one of two stable steady states, according to a specific logic function; this operation is mediated by the noise floor which can be directly adjusted, or dynamically tuned via an adjustment of the underlying nonlinearity of the resonator, i.e., it is not necessary to have direct control over the noise floor. The demonstration of this reprogrammable nanomechanical logic gate affords a path to the practical realization of a new generation of mechanical computers.
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