1.
Opt Lett
; 45(18): 5053-5056, 2020 Sep 15.
Artigo
em Inglês
| MEDLINE
| ID: mdl-32932451
RESUMO
We demonstrate that heterodyne interferometry makes it possible to accurately measure minute nonlinear phase shifts with little constraint on the propagation loss or chromatic dispersion. We apply this technique to characterize the effective nonlinearity of silicon nitride rib waveguides in the normal and anomalous dispersion regimes.