Driven anti-Bragg subradiant states in waveguide quantum electrodynamics
arXiv:2202.10138 · doi:10.1103/PhysRevA.106.L031702
Abstract
We study theoretically driven quantum dynamics in periodic arrays of two-level qubits coupled to the waveguide. We demonstrate, that strongly subradiant eigenstates of the master equation for the density matrix emerge under strong coherent driving for arrays with the anti-Bragg periods ... This happens even though are no such states at low driving powers. Thus, our findings show that in the quantum nonlinear regime the domain of existence of subradiant states expands beyond conventional subwavelength structures. These driven states are directly manifested in long-living quantum correlations between the qubit excitations.
arXiv comment5 pages, 5 figures
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- Dynamic population of multiexcitation subradiant states in incoherently excited atomic arrays
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