Author:
Placke Marlon,Schlegel Jan,Casa Pietro Della,Thies Andreas,Weyers Markus,Ramelow Sven,Tränkle Günther
Abstract
We report unprecedentedly low second harmonic band propagation losses in highly nonlinear AlGaAs-on-insulator waveguides pumped in the telecom L-band. These rafindings pave the way towards pa metric nonlinearities at single photon-level.