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Two-channel waveguide modulator based on surface wave propagating in a semiconductor-metal thin-film structure

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Abstract

The results of theoretical investigations of two-channel waveguide modulator based on Surface Wave (SW) propagation are presented. The structure studied consists of twon-type semiconductor waveguide channels separated from each other by a dielectric gap and coated by a metal. The SW propagates at the semiconductormetal interface across an external magnetic field which is parallel to the interface. An external de voltage is applied to the metal surface of one channel to provide a small phase shift between two propagating modes. In a coupled mode approximation, two possible regimes of operation of the structure, namely as a directional coupler and as an electro-optical modulator, are considered. Our results suggest new applications in millimeter and submillimeter wave solid-state electronics and integrated optics.

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Authors and Affiliations

  1. Kharkov State University and Scientific Center for Physical Technologies, 2 Novgorodskaya Street, 93, 310145, Kharkov, Ukraine

    K. N. Ostrikov & O. A. Osmayev

  2. Department of Physics and Technology, Kharkov State University, 4 Svobody Square, 310077, Kharkov, Ukraine

    N. A. Azarenkov

Authors
  1. K. N. Ostrikov
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  2. O. A. Osmayev
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  3. N. A. Azarenkov
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Ostrikov, K.N., Osmayev, O.A. & Azarenkov, N.A. Two-channel waveguide modulator based on surface wave propagating in a semiconductor-metal thin-film structure. Appl. Phys. A 61, 435–440 (1995). https://doi.org/10.1007/BF01540120

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  • DOI: https://doi.org/10.1007/BF01540120

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