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Observation of electric current induced by optically injected spin current

Authors Cui, Xiao-Dong
Shen, Shun-Qing
Li, Jian
Ji, Yang
Ge, Weikun
Zhang, Fu-Chun
Issue Date 2007
Source Applied physics letters , v. 90, (24), 2007, JUN 11, article number 242115
Summary Linearly polarized light at normal incidence injects a spin current into a strip of two-dimensional electron gas with Rashba spin-orbit coupling. The authors report observation of an electric current when such light is shed on the vincinity of the junction in a crossbar-shaped InGaAs/InAlAs quantum well Rashba system. The polarization dependence of this electric current was experimentally observed to be the same as that of the spin current. The authors attribute the observed electric current to the scattering of the optically injected spin current at the crossing. (c) 2007 American Institute of Physics.
ISSN 0003-6951
Rights Applied Physics Letters © copyright (2007) American Institute of Physics. The Journal's web site is located at
Language English
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