We experimentally demonstrate that the Mollow triplet sidebands of a quantum dot strongly coupled to a cavity exhibit anomalous power induced broadening and enhanced emission when one sideband is tuned over the cavity frequency. We observe a nonlinear increase of the sideband linewidth with excitation power when the Rabi frequency exceeds the detuning between the quantum dot and the cavity, consistent with a recent theoretical model that accounts for acoustic phonon-induced processes between the exciton and the cavity. In addition, the sideband tuned to the cavity shows strong resonant emission enhancement.
@article{arxiv.1310.3638,
title = {Resonant interactions between a Mollow triplet sideband of a quantum dot and a strongly coupled cavity},
author = {Hyochul Kim and Thomas C. Shen and Kaushik Roy-Choudhury and Glenn S. Solomon and Edo Waks},
journal= {arXiv preprint arXiv:1310.3638},
year = {2015}
}