Mossakowska-Wyszyńska, Agnieszka, Piotr Witoński, and Paweł Szczepański. “Analysis of Nonlinear Response of Anti-Parity-Time Symmetric Structure”. Opto-Electronics Review 33, no. 2 (March 7, 2026): e154198 . Accessed April 18, 2026. https://wydawnictwo.pan.pl/index.php/opelre/article/view/302.