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Omnidirectional phase matching of arbitrary processes by radial quasi-periodic nonlinear photonic crystal
 

Summary: Omnidirectional phase matching of arbitrary processes
by radial quasi-periodic nonlinear photonic crystal
Noa Voloch-Bloch,1,
* Tomer Davidovich,2
Tal Ellenbogen,1
Ayelet Ganany-Padowicz,1
and Ady Arie1
1
Department of Physical Electronics, School of Electrical Engineering, Fleishman Faculty of Engineering,
Tel Aviv University, Tel Aviv 69978, Israel
2
School of Physics and Astronomy, Raymond and Beverly Sackler Faculty of Exact Sciences,
Tel Aviv University, Tel Aviv 69978, Israel
*Corresponding author: noavoloch@gmail.com
Received March 22, 2010; revised June 15, 2010; accepted June 22, 2010;
posted June 28, 2010 (Doc. ID 125187); published July 16, 2010
We investigate second-harmonic generation in a nonlinear photonic crystal having radial quasi-periodic order and
continuous rotational symmetry. This device enables us to simultaneously phase match different nonlinear inter-
actions in any arbitrary direction of propagation. We have fabricated such a crystal by electric field poling of a
magnesium-doped stoichiometric LiTaO3 and demonstrated frequency doubling of two different pump wavelengths

  

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

 

Collections: Engineering