Spatial mode discrimination using second harmonic generation

被引：18
|
作者：
Delaubert, V. [1 ]
Lassen, M.
Pulford, D. R. N.
Bachor, H.-A.
Harb, C. C.
机构：
[1] Australian Natl Univ, ACQAO, Canberra, ACT 0200, Australia
[2] Lab Kastler Brossel, F-75252 Paris 05, France
[3] Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark
[4] Def Sci & Technol Org, Kingston, ACT 2604, Australia
[5] Univ New S Wales, Univ Coll, Sch Informat Technol & Elect Engn, Canberra, ACT 2600, Australia
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 09期
关键词：
D O I：
10.1364/OE.15.005815
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Second harmonic generation (SHG) can be used as a technique for controlling the spatial mode structure of optical beams. We demonstrate experimentally the generation of higher-order spatial modes, and the possibility to use nonlinear phase matching as a predictable and robust technique for the conversion of transverse electric modes of the second harmonic output. The details of this effect are well described by our wave propagation models, which include mode dependent phase shifts. This is, to our knowledge, the first detailed study of spatial mode conversion in SHG. We discuss potential applications of this effect. (c) 2007 Optical Society of America
引用
收藏
页码：5815 / 5826
页数：12
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