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Frontiers in Optics

Coherence and photon statistical properties of the Mollow triplet sideband emission of a quantum dot

P. Michler

Published Jan 1, 2012• 0 citations
Publisher

Abstract

We present a detailed photon statistical analysis of the resonance fluorescence emission triplet from a single semiconductor quantum dot. The photon correlation measurements demonstrate both ‘single’ and ‘cascaded’ photon emission from the Mollow triplet sidebands.
DOI
10.1364/fio.2012.ftu2d.4

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We show that the resonance fluorescence spectrum of a quantum dot excited by a strong optical pulse contains multiple peaks beyond those of the Mollow triplet. We show that as the area of the optical pulse is increased, new side peaks split off the central peak and shift in frequency. A simple analytical theory has been derived, which quantitatively accounts for the appearance and position of the peaks. This theory explains the physics responsible for the multiple peaks. By considering the time-dependent spectrum we demonstrate a time ordering of the side peaks, which is further evidence for the suggested physical explanation.