The linear spectrum of a quantum dot coupled to a nano-cavity
arXiv:0802.3643 · doi:10.1103/PhysRevB.81.075305
Abstract
We develop a theoretical formalism to model the linear spectrum of a quantum dot embedded in a high quality cavity, in presence of an arbitrary mechanism modifying the homogeneous spectrum of the quantum dot. Within the simple assumption of lorentzian broadening, we show how the known predictions of cavity quantum electrodynamics are recovered. We then apply our model to the case where the quantum dot interacts with an acoustic-phonon reservoir, producing phonon sidebands in the response of the bare dot. In this case, we show that the sidebands can sustain the spectral response of the cavity-like peak even at moderate dot-cavity detuning, thus supporting recent experimental findings.
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- Electromagnetic modes of a disordered photonic crystal
- Quantum theory of light emission from quantum dots coupled to structured photonic reservoirs and acoustic phonons
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- Radiative coupling of quantum dots in photonic crystal structures
- Frequency cavity pulling induced by a single semiconductor quantum dot
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