Frequency conversion in coplanar waveguide based on BaxSr1−xTiO3 film

We report on both a model and experimental verification of the high frequency nonlinearity for coplanar waveguides (CPW) composed of a dielectric substrate coated with nonlinear dielectric Ba0.4Sr0.6TiO3 films. For the CPW with a propagating microwave signal (f0≈30 GHz), modulation of Ba0.4Sr0.6TiO3...

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Bibliographic Details
Published in:Journal of applied physics 2001-12, Vol.90 (11), p.5703-5707
Main Authors: Samoilova, T. B., Astafiev, K. F., Rivkin, T., Ginley, D. S.
Format: Article
Language:English
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Summary:We report on both a model and experimental verification of the high frequency nonlinearity for coplanar waveguides (CPW) composed of a dielectric substrate coated with nonlinear dielectric Ba0.4Sr0.6TiO3 films. For the CPW with a propagating microwave signal (f0≈30 GHz), modulation of Ba0.4Sr0.6TiO3 film dielectric constant by a high frequency (fp≈20 MHz) pump signal results in the generation of sidebands with frequency (f0±Nfp). Experimental and simulated spectra of CPW output signals are presented as a function of the direct current bias voltage, pump voltage amplitude, CPW length, and CPW nonlinearity.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1408266