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Integrated frequency shifter in periodically poled lithium tantalate waveguide
Author(s): G. Nava, P. Minzioni, I. Cristiani, A.C. Busacca, L. Curcio, S. Stivala, G. Assanto
Source: Electronics Letters, Volume 46, Issue 25, December 2010, p. 1686 - 1688
Type: Article
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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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