= Resonance fluorescence
<Resonance fluorescence> is light emitted by a quantum emitter driven near one of its resonant transitions. The <scattered field> can contain both an elastic component at the drive <frequency> and inelastic components arising from the driven atomic dynamics.
For a strongly driven two-level emitter, the inelastic spectrum develops the <Mollow triplet>, with sidebands related to the drive-induced splitting. Photon-counting correlations can also show <photon antibunching>, distinguishing the emission <statistics> from a classical <coherent field>. Spectrum and counting <statistics> probe different features of the same emitter.<Power Spectrum of Light Scattered by Two-Level Systems by B. R. Mollow>[driven two-level fluorescence spectrum]{ref}
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