Absorptive central line-shapes of a driven atom in a squeezed reservoir
2016
Abstract Amplification of absorption spectrum of a weak signal probing the system of a dissipative single 2-level atom in the presence of a broadband squeezed vacuum (SV) reservoir and driven by a non-resonant mono- or bi-chromatic coherent field is investigated. The non-autonomous model Bloch equations yields solutions for the atomic variables of all harmonic frequency components, exp(± inνt ); n = 0, 1, … where ν is the probe frequency detuning. Amplification of the fundamental ( n = 0) and the first harmonic ( n = 1) frequency components associated with the central part (| ν |
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