Signal revivals in pulsed Rydberg four-wave mixing in thermal ensembles

Yi-Hsin Chen; Fabian Ripka; Robert Löw; Tilman Pfau

doi:10.1117/12.2222353

7 March 2016 Signal revivals in pulsed Rydberg four-wave mixing in thermal ensembles

Yi-Hsin Chen, Fabian Ripka, Robert Löw, Tilman Pfau

Proceedings Volume 9763, Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX; 97631L (2016) https://doi.org/10.1117/12.2222353
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We present resonant four-wave mixing (FWM) signals involving a Rydberg state in a thermal Rb vapor. The dynamic behavior of the FWM signals exhibits revival peaks shortly after the incident pulse, which are due to coherent collective emission among all Doppler classes. The FWM signals have dephasing times up to 7 ns, and strongly depend on the excitation bandwidth to the Rydberg state. Our numerical simulations based on a four-level model including the whole Doppler broadened ensemble can describe the data quite well.

Citation Download Citation

Yi-Hsin Chen, Fabian Ripka, Robert Löw, and Tilman Pfau "Signal revivals in pulsed Rydberg four-wave mixing in thermal ensembles", Proc. SPIE 9763, Slow Light, Fast Light, and Opto-Atomic Precision Metrology IX, 97631L (7 March 2016); https://doi.org/10.1117/12.2222353

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