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Intersubband population inversion in landau level system in resonant tunneling quantum well structures with asymmetric double quantum well period

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Abstract

A resonant tunneling periodic quantum well structure with asymmetric double quantum well period is proposed to achieve a population inversion and a frequency-tunable terahertz emission on intersubband transitions between Landau levels in a tilted magnetic field. The spatial redistribution of the subband wavefunctions caused by an asymmetric period design made it possible to achieve both a considerable increase in the population inversion and a high value of the dipole matrix element of the inter-Landau level radiative transition.

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Authors and Affiliations

  1. Lebedev Physical Institute, Leninskii pr. 53, Moscow, 119991, Russia

    M. P. Telenkov, Yu. A. Mityagin & V. V. Agafonov

  2. National University of Science and Technology MISiS, Leninskii pr. 4, Moscow, 119049, Russia

    M. P. Telenkov, A. A. Kutsevol & K. K. Nagaraja

  3. National Research Nuclear University MEPhI, Kashirskoe sh. 31, Moscow, 115409, Russia

    Yu. A. Mityagin

Authors
  1. M. P. Telenkov
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  2. Yu. A. Mityagin
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  3. A. A. Kutsevol
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  4. V. V. Agafonov
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  5. K. K. Nagaraja
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Corresponding author

Correspondence to M. P. Telenkov.

Additional information

The article was translated by the authors.

Original Russian Text © M.P. Telenkov, Yu.A. Mityagin, A.A. Kutsevol, V.V. Agafonov, K.K. Nagaraja, 2014, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2014, Vol. 100, No. 10, pp. 728–731.

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Telenkov, M.P., Mityagin, Y.A., Kutsevol, A.A. et al. Intersubband population inversion in landau level system in resonant tunneling quantum well structures with asymmetric double quantum well period. Jetp Lett. 100, 644–647 (2015). https://doi.org/10.1134/S0021364014220184

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  • DOI: https://doi.org/10.1134/S0021364014220184

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