Integrated microresonators are essential building blocks of linear and nonlinear photonic devices. Here we show that the performance of high-Q silicon nitride microresonators for nonlinear photonics strongly depends on the ideality of their coupler design.
Tobias Kippenberg, Viacheslav Snigirev, Grigorii Likhachev
Kirsten Emilie Moselund, Chang Won Lee