Abstract
Ultrafast optical excitation of semiconductor quantum wells (QW) biased by a dc electric field has been the subject of much theoretical1,2 and experimental3,4 work in recent years. Such excitation can lead to generation of ultrashort electric current pulses through a mechanism known as virtual photoconductivity 5,6: since the transport photocurrent is suppressed by the barriers in a QW system, the only mechanism of charge transport is believed to be the displacement current that is caused by generation of polarized electron-hole pairs3 and is therefore present only during the optical pulse.
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© 1996 Plenum Press, New York
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Sanders, G.D., Kuznetsov, A.V., Stanton, C.J. (1996). Ultrafast Dynamics of Electronic Wavepackets in Quantum Wells. In: Hess, K., Leburton, JP., Ravaioli, U. (eds) Hot Carriers in Semiconductors. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0401-2_39
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DOI: https://doi.org/10.1007/978-1-4613-0401-2_39
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