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Proceedings Paper

Growth of a new self-frequency-doubling medium: optical superlattice Nd:MgO:LiNbO3 and its laser and nonlinear optical properties
Author(s): Yan-qing Lu; Ya-Lin Lu; Cheng-cheng Xue; Xiangfei Chen; Jian-jun Zhen; Naiben Ming
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Paper Abstract

A new multifunctional active medium: optical superlattice Nd:MgO:LiNbO3, i.e., LiNbO3 crystal with periodic ferroelectric domain structures, was grown in our laboratory. The absorption and fluorescence spectra of a sample with the modulation period of 7.5 micrometer were carefully measured and show some differences from the results of common Nd:MgO:LiNbO3 with monodomain structure. Third-order quasi-phase-matched second harmonic generation was also demonstrated to characterize the nonlinear optical properties of the sample. These results indicate that the optical superlattice LiNbO3 has great potentials for self-frequency-doubling operation using the maximum nonlinear coefficient d33 of LiNbO3 and high gain pi polarization at the same time. Pumped by a pulsed dye laser, self-frequency-doubling green light was observed in a cavity with great loss.

Paper Details

Date Published: 3 October 1996
PDF: 5 pages
Proc. SPIE 2897, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications, (3 October 1996); doi: 10.1117/12.252956
Show Author Affiliations
Yan-qing Lu, Nanjing Univ. (China)
Ya-Lin Lu, Nanjing Univ. (China)
Cheng-cheng Xue, Nanjing Univ. (China)
Xiangfei Chen, Nanjing Univ. (China)
Jian-jun Zhen, Nanjing Univ. (China)
Naiben Ming, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 2897:
Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications
Manfred Eich; Bruce H. T. Chai; Minhua Jiang, Editor(s)

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