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Conference on Lasers and Electro-Optics

Electromagnetically-Induced Transparency in a high aspect ratio magneto-optical trap

Pablo Londero, Alexander S. Zibrov, Mikhail D. Lukin, Mara Goff Prentiss

Published Jan 1, 2006• 0 citations
Publisher

Abstract

We have detected electromagnetically-induced transparency (EIT) in a cigar-shaped MOT. The asymmetric shape of probe absorption as a function of frequency is consistent with enhancement of optical depth due to wave guiding of the probe.
DOI
10.1109/cleo.2006.4628993

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We demonstrate electromagnetically induced transparency (EIT) in a sample of rubidium atoms, trapped in an optical dipole trap. Mixing a small amount of σ−σ^-σ−-polarized light to the weak σ+σ^+σ+-polarized probe pulses, we are able to measure the absorptive and dispersive properties of the atomic medium at the same time. Features as small as 4 kHz have been detected on an absorption line with 20 MHz line width.
Both electromagnetically induced transparency(EIT)and electromagnetically induced absorption(EIA)were presented in a three-level Λ type configuration with double coupling fields.By numerically solving the density matrix equation of motion,the absorption profile of probe field depending on the parameters of coupling fields was demonstrated.By adjusting the Rabi frequencies and detunings of coupling fields,the spectral position of the EIA feature and the depth of the EIT feature can be controlled.