Jul 17 – 22, 2022
Royal Conservatory of Music, Toronto
America/Toronto timezone

Dicke superradiance in arrays of multilevel atoms

Jul 21, 2022, 5:00 PM
1h 30m
Hart House (Hart House)

Hart House

Hart House

7 Hart House Cir, Toronto, ON M5S 3H3
Poster presentation Quantum optics and hybrid quantum systems Poster session


We investigate the physics of Dicke superradiance with multilevel atoms. Dicke superradiance is a dissipative many-body phenomenon where excited atoms collectively emit a short and intense burst of light. While this physics is well understood for two-level systems in a cavity, our work involves extended arrays of multilevel atoms in free space. In previous work, we showed that Dicke superradiance generically occurs for two-level systems in arrays, provided that the distance between them is sufficiently small. Here, we consider atoms that can decay into multiple states and show that a superradiant burst can be emitted on all transitions. We develop constraints on the relative rates of each transition, and on the geometry of the atomic ensemble, and show that the intensity emitted in particular directions features a superradiant burst in arrays of large interatomic spacing. Our results provide a guide to explore this many-body phenomenon in state-of-the-art experimental setups.

Presenter name Stuart Masson
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Primary authors

Stuart Masson (Columbia University) Ana Asenjo-Garcia (Columbia University)

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