@article{article91c0dfb8,
title   = {Optical parametric oscillation with distributed feedback in cold atoms},
author = {Schilke, Alexander and Zimmermann, Claus and Courteille, Philippe Wilhelm and Guerin, William},
year = {2012},
doi = {10.1038/nphoton.2011.320},
journal   = {Nature Photonics}
}