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Acoustically driven single-frequency mechanical logic
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DOI：10.1103/PhysRevApplied.21.054029.png)
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tronics have generally been required to drive gates, and logical operations have generally involved bits with different oscillation frequencies. This limits the scalability of nanomechanical logic. Here we demonstrate an acoustically driven logic gate that has a single frequency of operation. Our gate uses the bistability of a nonlinear mechanical resonator to define logical states. These states are efficiently coupled into and out of the gate via nanomechanical waveguides, providing the mechanical equivalent of electrical wires and allowing purely mechanical information transfer. Since the inputs and output all share the same frequency, they are compatible with cascaded chains of gates. Our architecture is CMOS compatible, and with miniaturization could allow an energy cost that approaches the fundamental Landauer limit. Together this presents a pathway towards large-scale nanomechanical computers.
Keyword:
Nanomechanical computers promise robust
low-energy information processing
however
to date
elec
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4.4
论文数:
7.1K
被引数:
2.8W
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