BIRJANDI, Mohammad Ali MANSOURI; RAKHSHANI, Mohammad Reza. Realization of Tunable Channel Drop Filter Based on Square Photonic Crystal Ring Resonator. International Journal of Natural and Engineering Sciences, [S. l.], v. 7, n. 2, p. 08–12, 2019. Disponível em: https://www.ijnes.org/index.php/ijnes/article/view/159. Acesso em: 13 oct. 2026.