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Journal of Russian Laser Research

Excitation Dynamics of Interacting Rydberg Atoms in Lithium Magneto-Optical Trap

Sergey A. Saakyan, Vladimir A. Sautenkov, Stepan Klimov, Alexander Nazarov, Andrey A. Bobrov, Boris B. Zelener

Published May 1, 2023• 2 citations
Publisher
DOI
10.1007/s10946-023-10142-w

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Ultracold cesium n S ( n =60–70) Rydberg atoms are prepared using the two-photon scheme in a magneto-optical trap (MOT). The number of resonant Rydberg atoms is measured by the pulsed field ionization technique, and the dependences of the Rydberg signal on excitation duration and external DC electric field are investigated. The excitation dynamics and blockade effects due to long-range interactions are obtained. The effect of external electric field on Rydberg excitation is also investigated, and the experimental result shows an enhanced blockade with a weak external electric field.