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Poster Session

Poster Session II

4:00 pm – 6:00 pm, Wednesday June 18 Session H00 Oregon Convention Center, Exhibit Hall E
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Trapped atom dynamics in overlapping 85Rb and 87Rb ensembles

Poster 129
Presenter: Gregory L Smail (US Naval Research Laboratory)
Authors: Mark Bashkansky (United States Naval Research Laboratory), Adam Black (US Naval Research Laboratory)

 We present progress on a dual species quantum memory in overlapping ensembles of cold 85Rb and 87Rb. The overlapping ensembles can be independently manipulated with resonant light and exhibit strong, controllable inter-ensemble interactions mediated by Rydberg blockade. We characterize the properties of the crossed-beam dipole trap in which the ensembles are confined and discuss differences in the trapped atom dynamics between single isotope and dual isotope loading. Measurement fidelity is compared before and after implementing optical pumping to a stretched state and reducing the size of the measurement beam waist to that of the trapped ensembles. The dual-species quantum memory offers new capabilities for quantum networking applications.

Funding acknowledgement

This project was supported in part by an appointment to the NRC Research Associateship Program at the US Naval Research Laboratory, administered by the Fellowships Office of the National Academies of Sciences, Engineering, and Medicine

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