Time-resolved pump-probe signals of a continuously driven quantum dot affected by phonons

Abstract

The interaction of a light field with a quantum-mechanical system can be studied in an optically controlled semiconductor quantum dot. When driven by a continuous light field switched on instantaneously, the quantum dot occupation performs Rabi oscillations. Unlike an atomic system, the quantum dot is coupled to phonons, which leads to a damping of the Rabi oscillations. Here we model the time-resolved probe spectra to monitor these dynamics and study the influence of phonons on the spectra. The spectra consist of up to three peaks, similar to the Mollow-triplet known from quantum optics. We develop analytical equations within a rate equation model and show that they agree excellently with a numerical solution using a well established correlation expansion approach.

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• Phonon-induced enhancement of photon entanglement in quantum dot-cavity systems
• Path-integral approach for nonequilibrium multi-time correlation functions of open quantum systems coupled to Markovian and non-Markovian environments
• From strong to weak temperature dependence of the two-photon entanglement resulting from the biexciton cascade inside a cavity
• Femtosecond Transfer and Manipulation of Persistent Hot-Trion Coherence in a Single CdSe/ZnSe Quantum Dot
• Semiclassical modeling of coupled quantum dot-cavity systems: From polariton-like dynamics to Rabi oscillations
• Multiple Rabi rotations of trions in InGaAs quantum dots observed by photon echo spectroscopy with spatially shaped laser pulses
• Time-resolved physical spectrum in cavity quantum electrodynamics
• Transiently changing shape of the photon number distribution in a quantum-dot--cavity system driven by chirped laser pulses
• Parameter-dependent unitary transformation approach for quantum Rabi model
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