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

M. P. Telenkov, Yu A. Mityagin, A. A. Kutsevol, V. V. Agafonov, K. K. Nagaraja

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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.

Original languageEnglish
Pages (from-to)644-647
Number of pages4
JournalJETP Letters
Issue number10
Publication statusPublished - 01-01-2015


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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