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Dopant occupancy and optical properties of Er3+ in Er/Zn-codoped lithium niobate crystal |
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| Authors: | Yannan Qian Rui Wang Lili Xing Yanling Xu Chunhui Yang |
| Institution: | 1. Mendeleev University of Chemical Technology of Russia, 125047, Miusskaya sq., 9, Moscow, Russia;2. P.N. Lebedev Physical Institute of the Russian Academy of Sciences, 119333, Leninskiy av., 53, Moscow, Russia;3. National Research Center “Kurchatov Institute”,123098, Akademika Kurchatova sq., 1, Moscow, Russia |
| Abstract: | The effect of Zn2+ ion on the dopant occupancy and optical characteristic of Er3+ ion in Er/Zn-codoped LiNbO3 crystal is reported. The intense 1.54 μm and relatively weak green upconversion emissions are observed for Er (1 mol%)/Zn (6 mol%):LiNbO3 crystal. The OH? absorption and the time-resolved spectra show that the Zn2+ codoping decreases the threshold concentration of Er3+ ion in Er/Zn-codoped LiNbO3 crystal. The experimental results here imply that the potential application of Er3+-doped LiNbO3 crystal can be designed and optimized on the basis of the theoretical investigations. |
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