Nonlinear optical properties of ytterbium-doped tantalum pentoxide rib waveguides on silicon at telecom wavelengths

We report the linear and nonlinear characterization of low loss Yb:Ta
₂
O
₅
rib waveguides fabricated by using CMOS compatible processes on a SOI substrate. We report a nonlinear refractive index of 6.65×10
^-18
m
²
/W measured at telecom wavelengths.