@inproceedings{inproceedingsacac1716,
title   = {Green and red upconversion emission from 'Er POT.3+'/'Yb POT.3+'-doped Si'O IND.2'-'Ta IND.2''O IND.5'planar waveguides},
author = {Ferrari, J. L. and Lima, K. O. and Ferreira, R. A. S. and Carlos, L. D. and Gonçalves, Rogéria Rocha},
year = {2010},
booktitle   = {Brazilian Meeting on Inorganic Chemistry}
}