Finite trap strength makes subradiant atomic-array dark states decay faster over time, heat up, and lose fidelity; infidelity scales as (γ0η/ωt)^2 and is minimized with strong traps and perpendicular polarization.
At d = 0.3λ0, for example, the infidelity is on the order of 10 −4 for perpendicular polarization, whereas it increases to 10 −2 for circular polarization
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Effects of finite trapping on the decay, recoil, and decoherence of dark states of quantum emitter arrays
Finite trap strength makes subradiant atomic-array dark states decay faster over time, heat up, and lose fidelity; infidelity scales as (γ0η/ωt)^2 and is minimized with strong traps and perpendicular polarization.