Excitonic Dynamical Franz-Keldysh Effect
Mesoscale and Nanoscale Physics
2019-08-17 v1
Abstract
The Dynamical Franz-Keldysh Effect is exposed by exploring near-bandgap absorption in the presence of intense THz electric fields. It bridges the gap between the DC Franz- Keldysh effect and multi-photon absorption and competes with the THz AC Stark Effect in shifting the energy of the excitonic resonance. A theoretical model which includes the strong THz field non-perturbatively via a non-equilibrium Green Functions technique is able to describe the Dynamical Franz-Keldysh Effect in the presence of excitonic absorption.
Cite
@article{arxiv.cond-mat/9804254,
title = {Excitonic Dynamical Franz-Keldysh Effect},
author = {K. B. Nordstrom and K. Johnsen and S. J. Allen and A. -P. Jauho and B. Birnir and J. Kono and T. Noda and H. Akiyama and H. Sakaki},
journal= {arXiv preprint arXiv:cond-mat/9804254},
year = {2019}
}
Comments
4 pages in revtex with 5 figures included using epsf. Submitted to Physical Review Letters