Second harmonic generation in electric poled X-cut MgO-doped LiNbO3 waveguides

被引：32

作者：

Sonoda, S

Tsuruma, I

Hatori, M

机构：

[1] Miyanodai Technol. Devmt. Center, Fuji Photo Film Co., Ltd., Ashigarakami-gun, Kanagawa 258, 798 Miyanodai, Kaisei-machi

来源：

APPLIED PHYSICS LETTERS | 1997年 / 70卷 / 23期

关键词：

D O I：

10.1063/1.119096

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate that quasi-phase-matched second harmonic generation occurs in annealed proton-exchanged (APE) X-cut MgO 5 mol % doped LiNbO3 (MgO:LN) waveguides supporting a TE-mode guided wave. Formation of a domain inversion was achieved by applying electric fields in X-cut and Y-cut MgO:LN. The depth of the formed domain inversion was 1 mu m with a period of 4.75 mu m. Anomalous characteristics of current versus voltage (I-V) of samples having domain inversion formed therein were found to have similar properties to a diode. A blue light having a wavelength of 475 nm and a power of 2.2 mW has been obtained with a normalized second harmonic conversion efficiency of 60%/W cm(2) with uniform grating of 6 mm by using a Ti:Al2O3 laser as a fundamental wave source. (C) 1997 American Institute of Physics.

引用

页码：3078 / 3080

页数：3

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