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Improving the efficiency of an optical parametric oscillator by tailoring the pump
 

Summary: Improving the efficiency of an optical
parametric oscillator by tailoring the pump
pulse shape
Zachary Sacks,1,*
Ofer Gayer,2
Eran Tal,1
and Ady Arie2
1
Elbit Systems El Op, P.O. Box 1165, Rehovot 76111, Israel
2
Department of Physical Electronics, Faculty of Engineering, Tel-Aviv University, Tel-Aviv 69978, Israel
*zachary.sacks@elbitsystems.com
Abstract: The conversion efficiency of an optical parametric oscillator is
reduced by energy consumption during build-up of signal and idler
intensities and due to back-conversion effects. By tailoring the pump pulse
temporal shape, we are able to improve the conversion efficiency by
minimizing build-up time and back-conversion. Simulations predict a
significant improvement in 1064nm to 4000nm idler conversion by using a
double-rectangular temporal shape rather than using a simple Gaussian
pulse. Experimental results qualitatively verify the effect resulting in a 20%

  

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

 

Collections: Engineering