75 citations · 81 across the 2 of their papers we have counts for
2 papers
quant-ph2012★ 6 cited
Temperature gradient driven lasing and stimulated cooling
K. Sandner, H. Ritsch
A laser can be understood as thermodynamic engine converting heat to a coherent single mode field close to Carnot efficiency. From this perspective spectral shaping of the excitati…
quant-ph2011★ 75 cited
Strong magnetic coupling of an inhomogeneous NV ensemble to a cavity
K. Sandner, H. Ritsch, R. Amsüss +5
We study experimentally and theoretically a dense ensemble of negatively charged nitrogen-vacancy centers in diamond coupled to a high superconducting coplanar waveguide cavity…