Phase-controlled currents in semiconductors

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Journal titlePhysical Review Letters
Pages35963599; # of pages: 4
AbstractThe direction of emission of photoexcited electrons in semiconductors is controlled by adjusting the relative phase difference between a midinfrared radiation and its second harmonic. This is achieved by using quantum interference of electrons produced with one- and two-photon bound-to-free intersubband transitions in AlGaAs/GaAs quantum well superlattices.
Publication date
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences; NRC Institute for Microstructural Sciences
Peer reviewedYes
NPARC number12330788
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Record identifier32f4b5d8-1e0d-4903-9c20-3e0ab2d7e209
Record created2009-09-10
Record modified2016-05-09
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