![]() We finally entangle the motion of two atoms in separate tweezers, and utilize this to generate hyper-entanglement by preparing a simultaneous Bell state of motional and optical qubits. ![]() By coherently manipulating the motional state, we perform mid-circuit readout and mid-circuit erasure detection of an optical qubit via local shelving into motional superposition states. We find that this cooling mechanism fundamentally outperforms idealized traditional sideband cooling, which we experimentally demonstrate in specific scenarios. To this end, we first implement a species-agnostic cooling mechanism via conversion of motional excitations into erasures - errors with a known location - reminiscent of Maxwell's demon thought experiment. Download a PDF of the paper titled Erasure-cooling, control, and hyper-entanglement of motion in optical tweezers, by Pascal Scholl and 5 other authors Download PDF Abstract:We demonstrate how motional degrees of freedom in optical tweezers can be used as quantum information carriers.
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