Investigation of three- and two-photon absorption processes in novel D2 - A - A - D2 type diquinoxaline derivatives - Valverde, João Victor Pereira; Silva, Daniel Luiz da; Silva, W. P.; Misoguti, Lino; De Boni, Leonardo; Mendonça, Cleber Renato (International Laser Physics Workshop - LPHYS'24, 2024)