The influence of pure dephasing on a two-level quantum dot coupled to a microcavity – Niels Bohr Institute - University of Copenhagen

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The influence of pure dephasing on a two-level quantum dot coupled to a microcavity

I will talk a bit about the work I was part of at DTU Fotonik which dealt with the dynamics of a single two-level quantum dot coupled coupled to a microcavity. This is a typical candidate for a Single Photon Source. The emission spectra from an excitation of this QD-cavity will be discussed and it turns out that when coupling to a phonon bath is included in the model, a surprising shift in the dynamics and thus in the emission spectra occurs. This was published in Ref. 1.

 

I will try to talk a bit about what have been suggested as an explanation for this behaviour as well as whether a consensus is starting to form.

 

[1] PRA 78, 045802 (2008)