A frequency shifting device is fabricated and tested in a ferroelectric waveguide in a low-photorefractivity crystal. Periodic poling for quasi-phase-matching and channels for operation in the near-infrared C-band were obtained in congruent lithium tantalate, demonstrating for the first time both wave confinement and two-stage parametric conversion in such waveguides.
Nava, G., Minzioni, P., Cristiani, I., Busacca, A., Curcio, L., Stivala, S., et al. (2010). Integrated frequency shifter in periodically poled lithium tantalate waveguide. ELECTRONICS LETTERS, 46.
Integrated frequency shifter in periodically poled lithium tantalate waveguide
BUSACCA, Alessandro;CURCIO, Luciano;STIVALA, Salvatore;
2010-01-01
Abstract
A frequency shifting device is fabricated and tested in a ferroelectric waveguide in a low-photorefractivity crystal. Periodic poling for quasi-phase-matching and channels for operation in the near-infrared C-band were obtained in congruent lithium tantalate, demonstrating for the first time both wave confinement and two-stage parametric conversion in such waveguides.
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