Scientific Results

Radiation damping optical enhancement in cold atoms

Year: 2013

Authors: Wu J., Horsley S., Artoni M., La Rocca G.C.

Autors Affiliation: College of Physics, Jilin University, Changchun 130012, China; Electromagnetic and Acoustic Materials Group, Department of Physics and Astronomy, University of Exeter,Stocker Road, Exeter, EX4 4QL, UK; European Laboratory for Nonlinear Spectroscopy, Sesto Fiorentino, Italy; Department of Physics and Chemistry of Materials & CNR-IDASC Sensor Lab, Brescia University, Brescia, Italy and Scuola Normale Superiore and CNISM, Pisa, Italy

Abstract: The typically tiny effect of radiation damping on a moving body can be amplified to a favorable extent by exploiting the sharp reflectivity slope at one edge of an optically induced stop-band in atoms loaded into an optical lattice. In this paper, this phenomenon is demonstrated for the periodically trapped and coherently driven cold Rb-87 atoms, where radiation damping might be much larger than that anticipated in previous proposals and become comparable with radiation pressure. Such an enhancement could be observed even at speeds of only a few meters per second with less than 1.0% absorption, making radiation damping experimentally accessible.


Volume: 2      Pages from: e54  to: e54

More Information: This work is supported by the National Natural Science Foundation of China (11104112), the National Basic Research Program of China (2011CB921603), the CRUI-British Council 2011 Exchange Program and the Fondo di Ateneo of the Brescia University. JH Wu would also like to acknowledge the hospitality of Scuola Normale Superiore in Pisa.
KeyWords: optically induced stop-band; ordered atomic structure; radiation damping; radiation pressure; atomic mirrors
DOI: 10.1038/lsa.2013.10

Citations: 12
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