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

Abstract

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

published version, revised to include supplementary material as appendices

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• Quantum effects in the cooperative scattering of light by atomic clouds
• Theory and experiments of coherent photon coupling in semiconductor nanowire waveguides with quantum dot molecules
• Steady-state entanglement between distant quantum dots in photonic crystal dimers
• Entanglement of a laser driven pair of two-level qubits via its phonon environment
• PyCharge: An open-source Python package for self-consistent electrodynamics simulations of Lorentz oscillators and moving point charges
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• Entanglement mediated by DC current induced nonreciprocal graphene plasmonics
• Gain-modified emission dynamics between two quantum emitters in a plasmonic gain cavity system
• Direct space-time modeling of mechanically dressed dipole-dipole interactions with electromagnetically-coupled oscillating dipoles