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Amplification of a terahertz field in a semiconductor superlattice via phase-locked-k-space bunches of Bloch oscillating electrons

Schomburg, Ekkehard ; Demarina, Nataliya ; Renk, Karl Friedrich
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Date of publication of this fulltext: 05 Aug 2009 13:31


Abstract

Applying a Monte Carlo technique for the simulation of the dynamics of electrons in a semiconductor superlattice, we studied the action of a terahertz field on the motion of electrons by performing Bloch oscillations subject to inelastic scattering. We found that, due to polar optic phonon emission, the Bloch oscillating electrons can form k-space bunches phase locked to the terahertz field. For ...

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