The fluctuation-dissipation relation in a resonantly driven quantum medium
arXiv:1412.1646 · doi:10.1364/OL.40.002739
Abstract
We calculate the radiation noise level associated with the spontaneous emission of a coherently driven medium. The significant field-induced modification of relation between the noise power and damping constant in a thermal reservoir is obtained. The nonlinear noise exchange between different atomic frequencies leads to violation of standard relations dictated by the fluctuation-dissipation theorem.
5 pages, 1 figure
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