Matres Abril, Joaquín; Ballesteros García, Guillem; Gautier, Pauline; Fedeli, J.M.; Martí Sendra, Javier; Oton Nieto, Claudio José(Optical Society of America: Open Access Journals, 2013-02-25)
The nonlinear response of amorphous silicon waveguides is reported and compared to silicon-on-insulator (SOI) samples. The real part of the nonlinear coefficient gamma is measured by four-wave-mixing and the imaginary part ...