%0 Journal Article
%A Stepanov, I.
%A Kuhlen, S.
%A Ersfeld, M.
%A Lepsa, M.
%A Beschoten, B.
%T All-electrical time-resolved spin generation and spin manipulation in n-InGaAs
%J Applied physics letters
%V 104
%N 6
%@ 1077-3118
%C Melville, NY
%I American Inst. of Physics
%M FZJ-2015-05206
%P 062406 -
%D 2014
%X We demonstrate all-electrical spin generation and subsequent manipulation by two successive electric field pulses in an n-InGaAs heterostructure in a time-resolved experiment at zero external magnetic field. The first electric field pulse along the [11¯0] crystal axis creates a current-induced spin polarization (CISP) which is oriented in the plane of the sample. The subsequent electric field pulse along [110] generates a perpendicular magnetic field pulse leading to a coherent precession of this spin polarization with 2-dimensional electrical control over the final spin orientation. Spin precession is probed by time-resolved Faraday rotation. We determine the build-up time of CISP during the first field pulse and extract the spin dephasing time and internal magnetic field strength during the spin manipulation pulse.
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000331803800047
%R 10.1063/1.4864468
%U https://juser.fz-juelich.de/record/203217