Physics – Condensed Matter – Materials Science
Scientific paper
2007-01-16
J. Opt. Soc. Am. B 24 (2007) 1916-1921.
Physics
Condensed Matter
Materials Science
Scientific paper
10.1364/JOSAB.24.001916
We recently described a general solution to the phase matching problem that arises when one wishes to perform an arbitrary number of nonlinear optical processes in a single medium [PRL 95 (2005) 133901]. Here we outline in detail the implementation of the solution for a one dimensional photonic quasicrystal which acts as a simultaneous frequency doubler for three independent optical beams. We confirm this solution experimentally using an electric field poled KTiOPO$_4$ 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 show that our device is more efficient than a comparable device based on periodic quasi-phase-matching.
Arie Ady
Bahabad Alon
Lifshitz Ron
Voloch Noa
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