Multi-Wavelength Filtering Wideband by Cascade Bragg Reflectors in Optical Waveguides. International Journal of Information and Electronics Engineering, [S. l.], v. 3, n. 5, p. 506–509, 2013. Disponível em: https://ijiee.org/index.php/ijiee/article/view/735. Acesso em: 23 oct. 2026.