Wavelength Dependence of Guiding Properties in Highly Birefringent Elliptical Ring Core Optical Fiber. Journal of Electrical Engineering, [S. l.], v. 36, n. 2, p. 10–15, 2011. DOI: 10.3329/jee.v36i2.8091. Disponível em: https://banglajol.info/index.php/JEE/article/view/8091. Acesso em: 27 jun. 2026.