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Impact of photo-assisted collisions on superradiant light scattering with Bose-condensates

Published

Author(s)

Lu Deng, Xinyu Luo, Edward W. Hagley, Ruquan Wang, Kuiyi Gao

Abstract

We present experimental evidence supporting the postulation that the secondary effects of light assisted collisions are the main reason that the superradiant light scattering efficiency in condensates is asymmetric with respect to the sign of the pump-laser detuning. In addition, we argue that pump laser polarization-dependent effects can drastically alter the rate of We present experimental evidence supporting the postulation that the secondary effects of light- assisted collisions are the main reason that the superradiant light scattering efficiency in condensates is asymmetric with respect to the sign of the pump-laser detuning. Contrary to recent experimental study, however, we observe severe and comparable heating with all three pump-laser polarizations. We also perform two- color, doublepulse measurements to directly study the degradation of condensate coherence and the resulting impact on the superradiant scattering efficiency.
Citation
Physical Review A (Atomic, Molecular and Optical Physics)
Volume
86
Issue
(4)

Keywords

superradiant light scattering, radiation trapping, Landau-Zener theory

Citation

Deng, L. , Luo, X. , Hagley, E. , Wang, R. and Gao, K. (2012), Impact of photo-assisted collisions on superradiant light scattering with Bose-condensates, Physical Review A (Atomic, Molecular and Optical Physics), [online], https://doi.org/10.1103/PhysRevA.86.043603 (Accessed March 1, 2024)
Created October 4, 2012, Updated November 10, 2018