@article{article078f9c37, title = {Broadband NIR emission in sol-gel Er3+ -activated SiO2-Ta2O5 glass ceramic planar and channel waveguides for optical application}, author = {Ferrari, J. L. and Lima, K. O. and Maia, L. J. Q. and Ribeiro, S. J. L. and Gomes, A. S. L. and Gonçalves, Rogéria Rocha}, year = {2011}, journal = {Journal of Nanoscience and Nanotechnology} }