Preface: Photoluminescence in rare earths: Photonic materials and devices
Nanostructuring the Er3+ distribution in PbO–Nb2O5–GeO2 thin film glasses
Nanostructuring the Er3+ distribution in PbO–Nb2O5–GeO2 thin film glasses
Nanostructuring the Er3+ distribution in PbO–Nb2O5–GeO2 thin film glasses