We report on recent technological improvements concerning nonlinear patterning of lithium niobate and lithium tantalate in the micrometer and submicrometer scales using surface periodic poling for ferroelectric domain inversion. The fabricated samples were employed for frequency doubling via quasiphase-matching both in bulk and guided wave geometries, including forward and backward configurations and wavelength conversion in bands C and L. We also investigated short-period quasiperiodic samples with randomly distributed mark-to-space ratios.
Busacca, A., Stivala, S., Curcio, L., Assanto, G. (2012). Parametric Conversion in Micrometer and Submicrometer Structured Ferroelectric Crystals by Surface Poling. INTERNATIONAL JOURNAL OF OPTICS, 2012 [10.1155/2012/606892].
Parametric Conversion in Micrometer and Submicrometer Structured Ferroelectric Crystals by Surface Poling
BUSACCA, Alessandro;STIVALA, Salvatore;CURCIO, Luciano;
2012-01-01
Abstract
We report on recent technological improvements concerning nonlinear patterning of lithium niobate and lithium tantalate in the micrometer and submicrometer scales using surface periodic poling for ferroelectric domain inversion. The fabricated samples were employed for frequency doubling via quasiphase-matching both in bulk and guided wave geometries, including forward and backward configurations and wavelength conversion in bands C and L. We also investigated short-period quasiperiodic samples with randomly distributed mark-to-space ratios.
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