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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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Rydberg atom electrometer for k-vector measurements and reception of polarization encoded symbols.

Poster 81
Presenter: Peter K Elgee (U.S. Army DEVCOM Army Research Laboratory)
Authors: Kevin Cox (U.S. Army DEVCOM Army Research Laboratory), Joshua Hill (U.S. Army DEVCOM Army Research Laboratory), Paul Kunz (U.S. Army DEVCOM Army Research Laboratory), Kermit James LeBlanc (U.S. Army DEVCOM Army Research Laboratory), David Meyer (U.S. Army DEVCOM Army Research Laboratory)

We present a three-dimensional simultaneous rf polarimeter and k-vector sensor based on a Rydberg atom electrometer. The sensor measures the full polarization ellipse and thus determines the k-vector through an extension of current rf heterodyne techniques to three dimensions. We present the performance of this new sensor, including the ability to receive symbols encoded in the polarization of the input field, and the dependence of k-vector measurements on the input field ellipticity. We find that improvements to the sensor can be made through modeling and accounting for systematic effects due to reflections of rf fields in the sensing region. Additionally, we investigate a trade-off between system size and the range of measurable k-vectors, as the measured signal is averaged away for large sensing regions and k-vectors at large angles.

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