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- Title
STOCHASTIC RESONANCE IN A BALANCED PAIR OF SINGLE-ELECTRON BOXES.
- Authors
OYA, TAKAHIDE; SCHMID, ALEXANDRE; ASAI, TETSUYA; UTAGAWA, AKIRA; Gingl, Zoltan
- Abstract
Stochastic resonance in a fundamental single-electron circuit, i.e., a balanced pair of single-electron boxes, is observed and presented theoretically, where the signal-to-noise ratio (SNR) of the internal states stimulated by responding to a periodic subthreshold or suprathreshold input is enhanced by thermal agitation in tunneling junctions. Through extensive Monte-Carlo simulations, the peak SNR was determined as a function of temperature and input amplitudes. These results imply the possibility to design single-electron circuits that may "exploit" thermal noise, instead of employing conventional noise-suppression strategies.
- Subjects
NOISY circuits; STOCHASTIC analysis; RESONANCE; SIGNAL-to-noise ratio; MONTE Carlo method; TEMPERATURE effect; QUANTUM tunneling
- Publication
Fluctuation & Noise Letters, 2011, Vol 10, Issue 3, p267
- ISSN
0219-4775
- Publication type
Article
- DOI
10.1142/S0219477511000557