Highly Luminescent $a\hbox{-SiO}_{\rm x} \langle \hbox{Er} \rangle/\hbox{SiO}_{2}/\hbox{Si}$ Multilayer Structure

We have fabricated highly luminescent samples with erbium-doped amorphous silicon suboxide <formula formulatype="inline" xmlns:mml="http://www.w3.org/1998/Ma...