Loading...
Largest enhancement of broadband near-infrared emission of Ni2+ in transparent nano-glass ceramics: using Nd3+ as sensitizer and Yb3+ as energy transfer bridge
Date
2019
Abstract
An ultrabroadband near-infrared (NIR) emission of Ni2+ is demonstrated in a highly transparent nano-glass ceramic (nano-GC) containing Ga2O3 nanocrystals with 808 nm excitation of Nd3+. It is also shown that by adding Yb3+ as an energy transfer (ET) bridge, the Ni2+ emission could be substantially enhanced. The dopant distribution was studied using advanced analytical transmission electron microscopy. This, together with optical transmission measurements, steady-state and time-resolved emission spectra, is utilized to understand the underlying ET mechanisms between Nd3+, Yb3+, and Ni2+. The feasibility of this device as a viable source is demonstrated using dual-laser pumping at 808 and 980 nm for the greatest Ni2+ emission enhancement reported to date. The Nd3+/Yb3+/Ni2+ triply doped nano-GC offers a promising gain medium for broadband and tunable NIR fiber amplifiers.
Supervisor
Description
peer-reviewed
Publisher
American Chemical Society
Citation
Journal of Physical Chemistry;123 (15), pp. 10021-10027
Collections
Files
Loading...
Lewis_2019_Largest.pdf
Adobe PDF, 997.95 KB
ULRR Identifiers
Funding code
Funding Information
National Natural Science Foundation of China, Natural Science Foundation of Heilongjiang