A Noise-Assisted Reprogrammable Nanomechanical Logic Gate

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...

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Bibliographic Details
Published in:Nano letters 2010-04, Vol.10 (4), p.1168-1171
Main Authors: Guerra, Diego N, Bulsara, Adi R, Ditto, William L, Sinha, Sudeshna, Murali, K, Mohanty, P
Format: Article
Language:English
Subjects:
Applied sciences
Electrodes
Electronics
Exact sciences and technology
Logic
Molecular electronics, nanoelectronics
Nanotechnology - instrumentation
Nanotechnology - methods
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Silicon - chemistry
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Summary: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.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl9034175