Efficient femtosecond optical parametric oscillators based on aperiodically poled nonlinear crystals

被引：25
|
作者：
Artigas, D [1 ]
Reid, DT [1 ]
机构：
[1] Heriot Watt Univ, Dept Phys, Ultrafast Opt Grp, Edinburgh EH14 4AS, Midlothian, Scotland
来源：
OPTICS LETTERS | 2002年 / 27卷 / 10期
关键词：
D O I：
10.1364/OL.27.000851
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We discuss the use of aperiodically poled nonlinear crystals to improve conversion efficiency in a synchronously pumped ultrafast optical parametric oscillator. We show theoretically that with these crystals the conversion efficiency can be considerably higher than that obtained when a periodically poled crystal with the same length is used. Moreover, we show that pump threshold can be simultaneously improved by use of longer crystals. (C) 2002 Optical Society of America.
引用
收藏
页码：851 / 853
页数：3
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