Second Harmonic Generation in a KNbO<suB>3</suB> Slab Waveguide

Chin. Phys. Lett.

1991, Vol. 8

Issue (4): 180-183 DOI:

Original Articles

Second Harmonic Generation in a KNbO₃ Slab Waveguide

WU Lusheng;P.GUNTER^*

Anhui Institute of Optics and Fine Mechanics, Academia Sinica, Hefei 230031 ^*Laboratory of Nonlinear Optics, ETH-Honggerberg, 8093 Zurich, Switzerland

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WU Lusheng, P.GUNTER 1991 Chin. Phys. Lett. 8 180-183

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Abstract An experiment of second harmonic generation in a KNbO₃ slab waveguide u reported. A power conversion efficiency of 11.3% and a slope efficiency of 17% have been obtained in a 93μm waveguide pumped by a Q-switched Nd:YAG laser. The oscillation output with increase of the beam diameter is due to the interference effect in waveguide.

Keywords: 42.65.Ky 42.80.Lt

Published: 01 April 1991

PACS:	42.65.Ky	(Frequency conversion; harmonic generation, including higher-order harmonic generation)
	42.80.Lt

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1991/V8/I4/0180

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