J. W. Shur, W. S. Yang, S. J. Suh, J. H. Lee, T. Fukuda, D. H. Yoon: Optical Properties of Er Doped Congruent and Stoichiometric LiNbO<SUB>3</SUB> Single Crystals

Crystal Research and Technology

Cryst. Res. Technol. 37 (2002) 353 - Abstract -

J. W. Shur, W. S. Yang, S. J. Suh, J. H. Lee*, T. Fukuda*, D. H. Yoon

School of Metallurgical  Materials Engineering, Sungkyunkwan University, Suwon 440-746, Korea
*Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

Optical Properties of Er Doped Congruent and Stoichiometric LiNbO₃ Single Crystals

Erbium doped LiNbO₃ (Er:LiNbO₃) single crystal fibers were grown free of cracks along c-axis by the micro-pulling down (ė-PD) method. We have investigated the up-conversion property with the change of doped Er₂O₃ concentration and the starting melt composition. An enhancement of green up-conversion according host matrix is also observed the stoichiometric LiNbO₃. And, the dependence of the green emission according to Er³⁺ concentration is analyzed. The possible application of the Er³⁺ doped stoichiometric LiNbO₃ single crystal fiber for up-conversion based optical devices is discussed.

Keywords: erbium doped stoichiometric LiNbO3, micro-pulling down method, up-conversion

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