Abstract
Rare-earth (RE) activated glass-ceramics are two phase composite materials consisting of nanocrystals embedded in amorphous matrix, combining the advantages of optical glasses with the crystal-like environment for RE-ions [1, 2]. Hence, RE-doped transparent glass-ceramic waveguides are widely adopted for integrated optic applications such as on-chip lasers, optical amplifiers etc. [3, 4] because of their narrow and intense emission from 4f-intrashell transition.
© 2017 Japan Society of Applied Physics, Optical Society of America
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