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Cavity-enabled real-time observation of individual atomic collisions
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Cavity-enabled real-time observation of individual atomic collisions
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Using the strong dispersive coupling to a high-cooperativity cavity, we demonstrate fast and non-destructive number-resolved detection of atoms in optical tweezers. We observe individual atom-atom collisions, quantum state jumps, and atom loss events with a time resolution of $100\ \mu$s through continuous measurement of cavity transmission. Using adaptive feedback control in combination with the non-destructive measurements, we further prepare a single atom with $92(2)\%$ probability.
Forward citations
Cited by 1 Pith paper
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Deep Reinforcement Learning for Individual Atomic Control and Cooling
Deep reinforcement learning achieves real-time cooling of single-atom motion with a 388 microsecond time constant using cavity feedback, outperforming a linear differentiator controller.
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