# Realization of reliable and flexible logic gates using noisy nonlinear circuits

@article{Murali2009RealizationOR, title={Realization of reliable and flexible logic gates using noisy nonlinear circuits}, author={Krishnamurthy Murali and I. Rajamohamed and Sudeshna Sinha and William L. Ditto and Adi R. Bulsara}, journal={Applied Physics Letters}, year={2009}, volume={95}, pages={194102} }

It was shown recently [Murali et al., Phys. Rev. Lett. 102, 104101 (2009)] that when one presents two square waves as input to a two-state system, the response of the system can produce a logical output (NOR/OR) with a probability controlled by the interplay between the system noise and the nonlinearity (that characterizes the bistable dynamics). One can switch or “morph” the output into another logic operation (NAND/AND) whose probability displays analogous behavior; the switching is… Expand

#### 58 Citations

Logical stochastic resonance

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In a recent publication it was shown that, when one drives a two-state system with two square waves as input, the response of the system mirrors a logical output (NOR/OR). The probability of… Expand

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It is established that in scenarios where noise level is below the minimum threshold required for logical stochastic resonance (or stochastically resonance in general), a periodic forcing can be added to obtain the desired effects. Expand

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A memory device, consisting of a ring of two identical overdamped bistable forward-coupled oscillators, which may serve as a building block in a larger scale solution to this problem of smaller noise margins and higher error rates is proposed. Expand

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Abstract In this work we will demonstrate the following result: when we have two coupled bistable sub-systems, each driven separately by an external logic input signal, the coupled system yields… Expand

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Abstract Some noisy nonlinear systems could be exploited to operate as reliable logic gate in an optimal window of noise intensity, which is termed as logical stochastic resonance (LSR). Recent… Expand

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Numerical results show that reliable Set–Reset latch operation indeed exists in the chaos-driven bistable system if the intensity k of chaotic driving force is in an optimal range, and it is possible to realize chaos-assisted memory device according to LCR. Expand

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It is demonstrated that the array enhanced logical stochastic resonance has a saturating effect at larger array size, and the small or medium array size is good enough for one to obtain reliable logic operation. Expand

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Abstract Logical Stochastic Resonance (LSR) is the application of Stochastic Resonance to logic computation, namely the phenomenon where a nonlinear system driven by weak signals representing logic… Expand

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