Abstract
The Terahertz photoconductivity is measured on GaAs/AlGaAs quantum Hall systems. Time resolved investigations show relaxation times form 10 to over 200ns and a dependence on the sample mobility and source-drain voltage. The latter is explained with a heating effect. In addition, spectrally resolved measurements are discussed. The spectral resolution is a function on the sample mobility. Finally, similar measurements on a HgTe/HgCdTe quantum well are presented. All results are important in respect to a possible THz detector application.
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© 2006 Springer-Berlag Berlin Heidelberg
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Stellmach, C. et al. (2006). Time- and Spectrally Resolved THz Photoconductivity in Quantum Hall Devices. In: Saraniti, M., Ravaioli, U. (eds) Nonequilibrium Carrier Dynamics in Semiconductors. Springer Proceedings in Physics, vol 110. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-36588-4_21
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DOI: https://doi.org/10.1007/978-3-540-36588-4_21
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-36587-7
Online ISBN: 978-3-540-36588-4
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