Abstract

We demonstrate electromagnetically induced transparency (EIT) in ultracold Rb87 with the control laser in a Laguerre–Gaussian mode and the probe laser in a Gaussian mode. The effects on EIT transmission spectra due to varying control mode sizes are explored and optimized. The narrowest EIT features that still exhibit large signal contrast occur when the control and probe laser have equivalent waists, despite the differences in the radial intensity profiles of the probe and control beams.

© 2017 Optical Society of America

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