Geometry-dependent two-photon absorption followed by free-carrier absorption in AlGaAs waveguides

Nonlinear absorption can limit the efficiency of nonlinear optical devices. However, it can also be exploited for optical limiting or ...

Source: Journal of the Optical Society of America B - November 22, 2021 Category: Physics Authors: Daniel H. G. Espinosa Stephen R. Harrigan Kashif M. Awan Payman Rasekh Ksenia Dolgaleva Source Type: research