Ultraviolet generation in periodically poled lithium tantalate waveguides

被引：18
|
作者：
Busacca, A. C. [1 ]
D'Asaro, E. [1 ]
Pasquazi, A. [2 ]
Stivala, S. [2 ]
Assanto, G. [2 ]
机构：
[1] Univ Palermo, DIEET, I-90128 Palermo, Italy
[2] NooEL, I-00146 Rome, Italy
来源：
APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 12期
关键词：
D O I：
10.1063/1.2992201
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate ultraviolet generation in lithium tantalate channel waveguides for frequency doubling via quasi-phase-matching. The samples, proton exchanged and nanostructured by electric-field assisted surface periodic poling with domains as deep as 40 mu m, yield continuous wave light at 365.4 nm with conversion efficiencies larger than 7.5% W-1 cm(-2). (C) 2008 American Institute of Physics.
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页数：3
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