Growth of a new self-frequency-doubling medium: optical superlattice Nd:MgO:LiNbO3 and its laser and nonlinear optical properties

Yan-qing Lu; Ya-Lin Lu; Cheng-cheng Xue; Xiangfei Chen; Jian-jun Zhen; Naiben Ming

doi:10.1117/12.252956

3 October 1996 Growth of a new self-frequency-doubling medium: optical superlattice Nd:MgO:LiNbO3 and its laser and nonlinear optical properties

Yan-qing Lu, Ya-Lin Lu, Cheng-cheng Xue, Xiangfei Chen, Jian-jun Zhen, Naiben Ming

Author Affiliations +

Proceedings Volume 2897, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications; (1996) https://doi.org/10.1117/12.252956
Event: Photonics China '96, 1996, Beijing, China

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.

Citation Download Citation

Yan-qing Lu, Ya-Lin Lu, Cheng-cheng Xue, Xiangfei Chen, Jian-jun Zhen, and Naiben Ming "Growth of a new self-frequency-doubling medium: optical superlattice Nd:MgO:LiNbO3 and its laser and nonlinear optical properties", Proc. SPIE 2897, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications, (3 October 1996); https://doi.org/10.1117/12.252956

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