2 February 2009 Slow light and EIT under realistic (imperfect) conditions
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Abstract
We report a preliminary experimental study of EIT and stored light in the high optical depth regime. In particular, we characterize two ways to mitigate radiation trapping, a decoherence mechanism at high atomic density: nitrogen as buffer gas, and a long, narrow cell geometry. Initial results show the promise of both approaches in minimizing radiation trapping, but also reveal problems such as optical pumping into trapped end-states. We also observe distortion in EIT lineshapes at high optical depth, a result of interference from four-wave mixing. Experimental results are in good qualitative agreement with theoretical predictions.
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Mason Klein, Mason Klein, Yanhong Xiao, Yanhong Xiao, Michael Hohensee, Michael Hohensee, David F. Phillips, David F. Phillips, Ronald L. Walsworth, Ronald L. Walsworth, } "Slow light and EIT under realistic (imperfect) conditions", Proc. SPIE 7226, Advances in Slow and Fast Light II, 72260H (2 February 2009); doi: 10.1117/12.816326; https://doi.org/10.1117/12.816326
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