DEPTH PROFILE OF THE NONLINEAR-OPTICAL SUSCEPTIBILITY OF ION-IMPLANTED KNBO3 WAVE-GUIDES

被引：15

作者：

FLUCK, D

PLISKA, T

KUPFER, M

GUNTER, P

机构：

[1] Nonlinear Optics Laboratory, Institute of Quantum Electronics, Swiss Federal Institute of Technology

来源：

APPLIED PHYSICS LETTERS | 1995年 / 67卷 / 06期

关键词：

D O I：

10.1063/1.115213

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the depth profile of the nonlinear optical susceptibility in ion-implanted potassium niobate (KNbO3) waveguides using reflected second harmonic generation from wedged samples. After irradiation the waveguide layer exhibits partial loss of its optical nonlinearity that can be recovered to better than 90% of its value of the virgin crystal by subsequent annealing and repoling. We propose microscopic depolarization due to ion implantation to be responsible for the observed decrease of the nonlinear optical susceptibility. (C) 1995 American Institute of Physics.

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页码：748 / 750

页数：3

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