Abstracts

Exchange interactions in a strontium superradiant laser

Presenting Author: Matthew Norcia, University of Colorado JILA
Contributing Author(s): Robert Lewis-Swan, Julia Cline, Bihui Zhu, Ana Maria Rey, James Thompson

I will present a characterization of collective atomic interactions mediated by the exchange of cavity photons via the 1 mHz linewidth optical clock transition in an ensemble of superradiantly emitting strontium atoms. These interactions are of a form known to generate useful entanglement through one-axis twisting dynamics and to cause a suppression of decoherence through the generation of a many-body energy gap. In addition, they are key to understanding the sensitivity of superradiant frequency references to cavity detuning. We observe signatures of these effects through precision frequency measurements of the emitted superradiant light.

Read this article online: https://arxiv.org/pdf/1711.03673.pdf

(Session 13 : Saturday from 3:45pm-4:15pm)

 

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