Radiophysics and Quantum Electronics

, Volume 41, Issue 6, pp 511–517 | Cite as

The Franz-Keldysh effect in superlattices in the field of a nonlinear electromagnetic wave

  • S. V. Kryuchkov
  • K. A. Popov


We study the effect of interminiband breakdown in a semiconductor quantum superlattice in a constant electric field and in the field of a nonlinear wave whose intensities are directed along the superlattice axis. The problem has been solved in the quasiclassical approximation for an arbitrary ratio between the widths of the allowed and forbidden minibands. In particular cases, we have obtained formulas for the breakdown probability in the presence of only one field, as well as for a linear wave and a solitary wave (soliton). It is shown that the probability of interminiband breakdown increases with the nonlinearity parameter of the electromagnetic wave k. The absorption coefficient of the nonlinear wave is calculated for typical parameters of the superlattice.


Soliton Solitary Wave Nonlinear Wave Constant Field Constant Electric Field 
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Copyright information

© Plenum Publishing Corporation 1998

Authors and Affiliations

  • S. V. Kryuchkov
  • K. A. Popov

There are no affiliations available

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