KILDISHEV, A. V. .; CHETTIAR, U. K. . Cascading Optical Negative Index Metamaterials. Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 22, n. 1, p. 172–183, 2022. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/16291. Acesso em: 13 may. 2026.