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The influence of the current-carrying electrode material on the characteristics of integral optical microwave modulators

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Abstract

The working frequency band of an integral electro-optical modulator (EOM) significantly depends on the specific electric conductivity of the material of electrodes. In the case of optimum matching between velocities of the light wave and modulating microwave, the frequency dependence of the EOM response is determined by losses in electrodes related to the skin effect. In this case, the passage from traditional gold to silver (having a higher specific conductivity) provides for a 1.4-fold increase in the EOM bandwidth.

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Authors and Affiliations

  1. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    V. V. Lebedev, I. V. Il’ichev, P. M. Agruzov & A. V. Shamray

Authors
  1. V. V. Lebedev
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  2. I. V. Il’ichev
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  3. P. M. Agruzov
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  4. A. V. Shamray
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Corresponding author

Correspondence to V. V. Lebedev.

Additional information

Original Russian Text © V.V. Lebedev, I.V. Il’ichev, P.M. Agruzov, A.V. Shamray, 2014, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 40, No. 17, pp. 39–46.

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Lebedev, V.V., Il’ichev, I.V., Agruzov, P.M. et al. The influence of the current-carrying electrode material on the characteristics of integral optical microwave modulators. Tech. Phys. Lett. 40, 743–746 (2014). https://doi.org/10.1134/S1063785014090090

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  • DOI: https://doi.org/10.1134/S1063785014090090

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