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24 November 2020
 
  » arxiv » 0811.1451

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Nondegenerate parametric amplification in superlattice and the limits of strong and weak dissipation
Timo Hyart ; Kirill N. Alekseev ;
Date 10 Nov 2008
AbstractWe develop a semiclassical theory of the nondegenerate parametric amplification in a single miniband of superlattice. We present the formulas describing absorption and gain of signal and idler fields in superlattice and analyze the limiting cases of strong and weak dissipation. We show how the well-known Manley-Rowe relations arise in the tight-binding lattice in the weak dissipation limit. Our results can be applied to an amplification of THz signals in semiconductor superlattices and a control of nonlinear transport of cold atoms in optical lattices.
Source arXiv, 0811.1451
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