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Multiple Cerenkov second-harmonic waves in a two-dimensional
 

Summary: Multiple Cerenkov second-harmonic
waves in a two-dimensional
nonlinear photonic structure
Wenjie Wang,1,2
Yan Sheng,1,
* Yongfa Kong,2
Ady Arie,3
and Wieslaw Krolikowski1
1
Laser Physics Center, Research School of Physics and Engineering, Australian National University, ACT 0200, Australia
2
School of Physics, Nankai University, Tianjin, 300071, China
3
Department of Physical Electronics, School of Electrical Engineering, Tel-Aviv University, Tel Aviv 69978, Israel
*Corresponding author: ysh111@physics.anu.edu.au
Received August 6, 2010; revised October 2, 2010; accepted October 3, 2010;
posted October 13, 2010 (Doc. ID 133025); published November 8, 2010
We report simultaneous generation of multiple conical second-harmonic waves in a two-dimensional nonlinear
photonic structure when illuminated by two overlapping noncollinear fundamental beams. We show that this
phenomenon is caused by the nonlinear Cerenkov radiation emitted due to the interaction of photons from each

  

Source: Arie, Ady - Department of Electrical Engineering-Physical Electronics, Tel Aviv University

 

Collections: Engineering