{\rtf1\ansi\deff0\deftab360 {\fonttbl {\f0\fswiss\fcharset0 Arial} {\f1\froman\fcharset0 Times New Roman} {\f2\fswiss\fcharset0 Verdana} {\f3\froman\fcharset2 Symbol} } {\colortbl; \red0\green0\blue0; } {\info {\author Biblio 7.x}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart O. Firstenberg, Lukin, M. D., Peyronel, T., Liang, Q. - Y., Vuletic, V., Gorshkov, A. V., Hofferberth, S., and Pohl, T., ?Quantum Nonlinear Optics: Strongly Interacting Photons?, Opt. Photonics News, vol. 24, p. 48, 2013.\par \par }