From superradiant Rayleigh scattering to Bragg scattering

Year: 2005

Authors: De Sarlo L., Saers R., Bartalini S., Cataliotti F.S., Fallani L., Fort C., Herrera I., Inguscio M.

Autors Affiliation: INFM, European Laboratory for Non-Linear Spectroscopy (LENS), via N. Carrara 1, 50019 Sesto F.no (FI), Italy; Dipartimento di Fisica, Università di Firenze, via Sansone 1, 50019 Sesto F.no (FI), Italy; Dipartimento di Fisica, Università di Catania, via S. Sofia 64, 95124 Catania, Italy; Department of Physics, Umea University, 901 87 Umea, Sweden

Abstract: We present the results of an experiment on light scattering from an elongated Bose-Einstein condensate interacting with far off resonant laser light. Due to superradiant Rayleigh scattering a coherent superposition of two atomic wavepackets with different momenta forms in the presence of a single laser beam. Varying the intensity of a weak counterpropagating laser beam we observe the transition from the pure superradiant regime to the Bragg scattering regime, where Rabi oscillations in a two-level system are observed. The process is limited by the decoherence between the two atomic wavepackets.

Journal/Review: EUROPEAN PHYSICAL JOURNAL D

Volume: 32 (2)      Pages from: 167  to: 170

More Information: Conference: Conference on Quantum Information with Atoms Ions and Photons
Location: La Thuile, ITALY
Date: MAR 06-12, 2004
KeyWords: Bose-Einstein condensates; Bose-Einstein condensation; Collective atomic recoil; Phase-coherent amplification; Light-scattering; Matter waves; Decoherence; Laser; Gain
DOI: 10.1140/epjd/e2004-00124-1

Citations: 8
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