dorsal/arxiv
View SchemaStochastic resonance in periodic potentials: realization in a dissipative optical lattice
| Authors | Michele Schiavoni, Francois-Regis Carminati, Laurent Sanchez-Palencia, Ferruccio Renzoni, Gilbert Grynberg |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0212156 |
| URL | https://arxiv.org/abs/quant-ph/0212156 |
| DOI | 10.1209/epl/i2002-00134-y |
| Journal | Europhysics Letters 59 (2002) 493-499 |
Abstract
We have observed the phenomenon of stochastic resonance on the Brillouin propagation modes of a dissipative optical lattice. Such a mode has been excited by applying a moving potential modulation with phase velocity equal to the velocity of the mode. Its amplitude has been characterized by the center-of-mass (CM) velocity of the atomic cloud. At Brillouin resonance, we studied the CM-velocity as a function of the optical pumping rate at a given depth of the potential wells. We have observed a resonant dependence of the CM velocity on the optical pumping rate, corresponding to the noise strength. This corresponds to the experimental observation of stochastic resonance in a periodic potential in the low-damping regime.
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"abstract": "We have observed the phenomenon of stochastic resonance on the Brillouin\npropagation modes of a dissipative optical lattice. Such a mode has been\nexcited by applying a moving potential modulation with phase velocity equal to\nthe velocity of the mode. Its amplitude has been characterized by the\ncenter-of-mass (CM) velocity of the atomic cloud. At Brillouin resonance, we\nstudied the CM-velocity as a function of the optical pumping rate at a given\ndepth of the potential wells. We have observed a resonant dependence of the CM\nvelocity on the optical pumping rate, corresponding to the noise strength. This\ncorresponds to the experimental observation of stochastic resonance in a\nperiodic potential in the low-damping regime.",
"arxiv_id": "quant-ph/0212156",
"authors": [
"Michele Schiavoni",
"Francois-Regis Carminati",
"Laurent Sanchez-Palencia",
"Ferruccio Renzoni",
"Gilbert Grynberg"
],
"categories": [
"quant-ph"
],
"doi": "10.1209/epl/i2002-00134-y",
"journal_ref": "Europhysics Letters 59 (2002) 493-499",
"title": "Stochastic resonance in periodic potentials: realization in a dissipative optical lattice",
"url": "https://arxiv.org/abs/quant-ph/0212156"
},
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