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Active Suppression of Quantum Dephasing in Resonantly Driven Ensembles

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arxiv 2310.10525 v3 pith:LFCSUYEG submitted 2023-10-16 quant-ph physics.atom-ph

Active Suppression of Quantum Dephasing in Resonantly Driven Ensembles

classification quant-ph physics.atom-ph
keywords quantumatomcontroldrivenpopulationrabitransferachievable
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have used quantum control to suppress the impact of random atom positions on coherent population transfer within atom pairs, enabling the observation of dipole-dipole driven Rabi oscillations in a Rydberg gas with hundreds of atoms. The method exploits the reduced coupling-strength sensitivity of the off-resonant Rabi frequency, and coherently amplifies the achievable population transfer in analogy to quasi-phase-matching in non-linear optics. Simulations reproduce the experimental results and demonstrate the potential benefits of the technique to other many-body quantum control applications.

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