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Preda CE, Ségard B, Glorieux P. Weak temporal ratchet effect by asymmetric modulation of a laser. Opt Lett. 2006;31(15):2347-9doi: 10.1364/ol.31.002347.
Preda, C. E., Ségard, B., & Glorieux, P. (2006). Weak temporal ratchet effect by asymmetric modulation of a laser. Optics letters, 31(15), 2347-9. https://doi.org/10.1364/ol.31.002347
Preda, Cristina Elena, et al. "Weak temporal ratchet effect by asymmetric modulation of a laser." Optics letters vol. 31,15 (2006): 2347-9. doi: https://doi.org/10.1364/ol.31.002347
Preda CE, Ségard B, Glorieux P. Weak temporal ratchet effect by asymmetric modulation of a laser. Opt Lett. 2006 Aug 01;31(15):2347-9. doi: 10.1364/ol.31.002347. PMID: 16832481.
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Opt Lett. 2006 Aug 01;31(15):2347-9. doi: 10.1364/ol.31.002347.

Weak temporal ratchet effect by asymmetric modulation of a laser.

Optics letters

Cristina Elena Preda, Bernard Ségard, Pierre Glorieux

Affiliations

  1. Laboratory de Physique des Lasers, Atomes et Molécules, CNRS (UMR 8523) CERLA, Universití de Lille I, 59655 Villeneuve d'Ascq, France.

PMID: 16832481 DOI: 10.1364/ol.31.002347

Abstract

Subjecting lasers to triangular modulations of the pump produces phenomena that drastically depend on the symmetry of the triangle. For instance, with slow up-rising triangles, a laser below threshold on average may deliver coherent pulses, while it does not deliver coherent pulses with fast up-rising triangles. This effect, which requires the presence of fluctuations in addition to the modulation, is reminiscent of the thermal ratchet with which a directed motion is extracted from a stochastic medium.

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