Transmission of electromagnetic waves through nonlinear optical layers L. M. Hincapie-Zuluaga, J. D. Mazo-Vásquez, C. A. Betancur-Silvera and E. Reyes-Gómez EPL, 134 5 (2021) 54002 Published online: 10 August 2021 DOI: 10.1209/0295-5075/ac0ad7