{\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 M. Gullans, Liu, Y. - Y., Stehlik, J., Petta, J. R., and Taylor, J. M., ?Phonon-Assisted Gain in a Semiconductor Double Quantum Dot Maser?, Physical Review Letters, vol. 114, no. 19, p. 196802, 2015.\par \par }