Romano, Maria C. [UNESP]Vellasco-Gomes, Arianne [UNESP]Bruno-Alfonso, Alexys [UNESP]2018-12-112018-12-112018-04-01Journal of the Optical Society of America B: Optical Physics, v. 35, n. 4, p. 826-834, 2018.1520-85400740-3224http://hdl.handle.net/11449/179747The localized modes of a layered photonic crystal with a substitutional defect are calculated by expanding the magnetic field over a truncated set of Wannier functions. Good agreement is found with the results obtained by the transfer-matrix technique. It is shown that frequencies converge very fast (slowly) as the number of unit cells (photonic bands) in the truncated set is increased.826-834engArtigo10.1364/JOSAB.35.000826Acesso aberto2-s2.0-85045017714