Smirnova_et_al_Phys. Rev. Res._3(4)_2021.pdfhttp://purl.tuc.gr/dl/dias/E9EF9A8E-437E-4E99-B4A2-E8028F5DC469Gradient catastrophe of nonlinear photonic valley-Hall edge pulsesfree2023-04-06application/pdf2.0 MB