@article{article4b703a57, title = {Third-order nonlinearity of 'Er POT.3+'-doped lead phosphate glass}, author = {Santos, C. C. and Guedes, I. and Siqueira, J. P. and Misoguti, Lino and Zílio, Sérgio Carlos and Boatner, L. A.}, year = {2010}, doi = {10.1007/s00340-010-3922-0}, journal = {Applied Physics B} }