Freiburg 2024 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 23: Poster I
Q 23.1: Poster
Dienstag, 12. März 2024, 17:00–19:00, Tent B
Continuous entanglement generating superradiant SU(4) laser — Jarrod Reilly1, •Gage Harmon2, John Wilson1, Murray Holland1, and Simon Jäger3 — 1University of Colorado Boulder — 2Saarland University — 3University of Kaiserslautern-Landau
We present a cross-cavity system in which steady-state superradiance is achieved with solely collective dissipative dynamics. The cavities symmetrically couple an ensemble of four-level atoms by driving transitions between two electronic and two motional states. We demonstrate that the system continuously generates both interparticle entanglement between the constituent particles and intraparticle entanglement between the internal and external degrees of freedom. We use innovative techniques to examine the two types of entanglement and, remarkably, we find that the system in steady-state is Heisenberg limit scaled with nearly maximal entanglement entropy between the internal and external degrees of freedom. Lastly, we discuss potential applications of our proposed model to the prominent fields of quantum metrology and quantum information science.
Keywords: SU(4) Laser; Entanglement; Superradiance; Collective dynamics