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Edge and bulk effects in Terahertz photoconductivity of an antidot superlattice

Jager, B. G. L. ; Wimmer, S. ; Lorke, A. ; Kotthaus, J.P. ; Wegscheider, Werner ; Bichler, Max
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Date of publication of this fulltext: 30 Nov 2009 13:47


Abstract

We investigate the terahertz (THz) response of a square antidot superlattice by means of photoconductivity measurements using a Fourier-transform-spectrometer. We detect, spectrally resolved, the cyclotron resonance and the fundamental magnetoplasmon mode of the periodic superlattice. In the dissipative transport regime both resonances are observed in the photoresponse. In the adiabatic transport ...

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