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Influence of loss in substrate on dispersion of electromagnetic waves in active semiconductor transmission lines

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Abstract

By means of an electrodynamical analysis we reveal the influence of the finite conductivity of the n+ substrate on the dispersion of electromagnetic waves in an active strip transmission line (ASTL) based on the distributed thin film semiconductor structure metal-n-n+. We demonstrate a reduction of the linear amplification and the reduction of the band of amplified frequencies of the ASTL as a result of losses in the n+ layer in the centimeter and millimeter ranges.

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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 58–61, April, 1986.

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Kravtsov, M.S., Prigorovskii, V.M. & Firyago, E.F. Influence of loss in substrate on dispersion of electromagnetic waves in active semiconductor transmission lines. Soviet Physics Journal 29, 301–304 (1986). https://doi.org/10.1007/BF00893002

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Keywords

  • Thin Film
  • Electromagnetic Wave
  • Transmission Line
  • Semiconductor Structure
  • Linear Amplification