Tunable photon-assisted bleaching of three-level systems for noise filtration
Quantum Physics
2011-02-02 v2
Abstract
Electromagnetically-induced transparency (EIT) exploits quantum coherence to burn subnatural linewidth holes within a spectral line. We investigate the less explored properties of EIT to effect absorptive nonlinear processes without restrictions on the relative intensities of pump and probe fields. We show that a three-level medium under imperfect EIT conditions can generate a form of bleaching that is qualitatively similar to two-state saturable absorption. This scheme has the advantages of greater sensitivity to signal intensity and controllability over its bleaching intensity level post-fabrication. Such effects could prove useful for noise filtration at very low light levels.
Keywords
Cite
@article{arxiv.0912.2153,
title = {Tunable photon-assisted bleaching of three-level systems for noise filtration},
author = {Chun-Hsu Su and Andrew D. Greentree and Raymond G. Beausoleil and Lloyd C. L. Hollenberg and William J. Munro and Kae Nemoto and Timothy P. Spiller},
journal= {arXiv preprint arXiv:0912.2153},
year = {2011}
}
Comments
9 pages, 9 figures, significantly revised