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Experimental confirmation of the general solution to the multiple-phase-matching problem
 

Summary: Experimental confirmation of the general solution
to the multiple-phase-matching problem
Alon Bahabad,1,
* Noa Voloch,2
Ady Arie,1
and Ron Lifshitz2
1
School of Electrical Engineering, Wolfson 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: alonb@eng.tau.ac.il
Received January 16, 2007; revised April 16, 2007; accepted April 21, 2007;
posted April 26, 2007 (Doc. ID 78905); published July 19, 2007
We recently described a general solution to the phase-matching problem that arises when one wishes to per-
form an arbitrary number of nonlinear optical processes in a single medium [Phys. Rev. Lett. 95, 133901
(2005)]. Here we outline in detail the implementation of the solution for a one-dimensional photonic quasic-
rystal, which acts as a simultaneous frequency doubler for three independent optical beams. We confirm this
solution experimentally using an electric-field poled KTiOPO4 crystal. In optimizing the device, we find--
contrary to common practice--that simple duty cycles of 100% and 0% may yield the highest efficiencies, and

  

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

 

Collections: Engineering