Dynamics of the second-order nonlinearity in thermally poled silica glass

被引：44
|
作者：
Faccio, D [1 ]
Pruneri, V [1 ]
Kazansky, PG [1 ]
机构：
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
来源：
APPLIED PHYSICS LETTERS | 2001年 / 79卷 / 17期
关键词：
D O I：
10.1063/1.1394948
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We study the temporal evolution of both the second-order nonlinear coefficient and of the nonlinear thickness in thermally poled silica-glass slides by using a high-resolution all-optical technique. A time delay in the nonlinearity formation is observed, followed by an increase to a maximum, and a final decrease. The thickness is shown to increase at a rate that differs significantly from that reported for the corresponding ionic charge fronts. Our measurements also show strong dependencies on sample thickness and these can be attributed to different electric fields in the depletion region. (C) 2001 American Institute of Physics.
引用
收藏
页码：2687 / 2689
页数：3
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