JIRI SMEJCKY; VITEZSLAV JERABEK. Differential Gain Comparison of Optical Planar Amplifier on Silica Glasses Doped with Bi-Ge and Er, Yb Ions. Journal of Material Science and Technology Research, [S. l.], v. 7, p.  71–79, 2020. DOI: 10.31875/2410-4701.2020.07.08. Disponível em: https://www.zealpress.com/jms/index.php/jmstr/article/view/155. Acesso em: 18 apr. 2024.