Diamond in Tellurite Glass: a New Medium for Quantum Information

Abstract

Fabrication of a hybrid diamond-glass material is reported, by embedding diamond nanocrystals containing nitrogen-vacancy (NV) color centers into tellurite soft glass. This material allows the fabrication of diamond photonic waveguides using well-established soft glass techniques, such as microstructured optical fiber technology (the figure is a confocal image that shows color center fluorescence in a fiber).