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Generation of Acoustic Phonons in Semiconductor Superlattice in the Case of an Intraband Absorption of Electromagnetic Wave

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Abstract

We obtain the damping coefficient of an acoustic wave for the case of intraband multiphoton absorption of an electromagnetic wave in a superlattice. The ranges in which the acoustic damping coefficient reverses sign are determined for the sound-propagation directions which are transverse and parallel to the superlattice axis. Numerical summation of the series for the acoustic-wave gain is performed for typical parameters of the superlattice. The gain is estimated numerically. It is noted that multiphoton absorption affects the acoustic-wave gain in the superlattice if the field value is much smaller than that in a standard semiconductor.

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Authors and Affiliations

  1. Volgograd State Pedagogical University, Volgograd, Russia

    M. V. Vyazovsky & G. A. Syrodoev

Authors
  1. M. V. Vyazovsky
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  2. G. A. Syrodoev
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 48, No. 5, pp. 436–440, May 2005.

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Vyazovsky, M.V., Syrodoev, G.A. Generation of Acoustic Phonons in Semiconductor Superlattice in the Case of an Intraband Absorption of Electromagnetic Wave. Radiophys Quantum Electron 48, 390–393 (2005). https://doi.org/10.1007/s11141-005-0081-y

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  • DOI: https://doi.org/10.1007/s11141-005-0081-y

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