Periodically poled KTiOAsO4 for highly efficient midinfrared optical parametric devices

Zukauskas, Andrius; Thilmann, Nicky; Pasiskevicius, Valdas; Laurell, Fredrik; Canalias, Carlota
November 2009
Applied Physics Letters;11/9/2009, Vol. 95 Issue 19, p191103
Academic Journal
We demonstrate high pattern-fidelity periodic poling of KTiOAsO4 at room temperature. The periodically poled crystal shows a deff of 10.1 pm/V and is used in an optical parametric oscillator pumped at 1064 nm to generate parametric radiation at 1538 and 3452 nm with a conversion efficiency of 45%.


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