We study the scattering problem of photon and polariton in a one-dimensional coupled-cavity system. Analytical approximate analysis and numerical simulation show that a photon can stimulate the photon emission from a polariton through polariton-photon collisions. This observation opens the possibility of photon-stimulated transition from insulating to radiative phase in a coupled-cavity QED system. Inversely, we also find that a polariton can be generated by a two-photon Raman scattering process. This paves the way towards single photon storage by the aid of atom-cavity interaction.
@article{arxiv.1503.00447,
title = {Stimulated photon emission and two-photon Raman scattering in a coupled-cavity QED system},
author = {Ci. Li and Zhi. Song},
journal= {arXiv preprint arXiv:1503.00447},
year = {2016}
}