Nonlinear optical properties of calcium barium niobate epitaxial thin films

We investigate the potential of epitaxial calcium barium niobate (CBN) thin film grown by pulsed laser deposition for optical frequency conversion. Using second harmonic generation (SHG), we analyze the polarization response of the generated signal to determine the ratios d / d and d / d of the thre...

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Bibliographic Details
Published inOptics express Vol. 24; no. 15; pp. 17497 - 17504
Main Authors Bancelin, Stéphane, Vigne, Sébastien, Hossain, Nadir, Chaker, Mohammed, Légaré, François
Format Journal Article
LanguageEnglish
Published United States 25.07.2016
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Summary:We investigate the potential of epitaxial calcium barium niobate (CBN) thin film grown by pulsed laser deposition for optical frequency conversion. Using second harmonic generation (SHG), we analyze the polarization response of the generated signal to determine the ratios d / d and d / d of the three independent components of the second-order nonlinear susceptibility tensor in CBN thin film. In addition, a detailed comparison to the signal intensity obtained in a y-cut quartz allows us to measure the absolute value of these components in CBN thin film: d = 5 ± 2 pm / V, d = 3.1 ± 0.6 pm / V and d = 9 ± 2 pm / V.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.24.017497