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We introduce a nanowire-based photonic crystal waveguide system capable ofcontrollably mediating the photon coupling between two quantum dots which aremacroscopically separated. Using a rigorous Green-function-based masterequation approach, our two-dot system is shown to provide a wide range ofinteresting quantum regimes. In particular, we demonstrate the formation oflong-lived entangled states and study the resonance fluorescence spectrum whichcontains clear signatures of the coupled quantum dot pair. Depending upon theoperating frequency, one can obtain a modified Mollow triplet spectrum or aMollow nonuplet, namely a spectrum with nine spectral peaks. These multiplepeaks are explained in the context of photon-exchange-mediated dressed states.Results are robust with respect to scattering loss, and spatial filtering viapropagation allows for each quantum dot's emission to be observed individually.

Entanglement dynamics and Mollow nonuplets between two coupled quantum dots in a nanowire photonic crystal system