Yang, QuankuiQuankuiYangSchilling, ChristianChristianSchillingOstendorf, RalfRalfOstendorfHugger, StefanStefanHuggerFuchs, F.F.FuchsWagner, J.J.Wagner2022-03-042022-03-042012https://publica.fraunhofer.de/handle/publica/22844810.1063/1.36923922-s2.0-84858966982en667530Wall-plug efficiency of mid-infrared quantum cascade lasersjournal article