Electrical initialization and manipulation of electron spins in an L-shaped strained n-InGaAs channel
Y. K. Kato, R. C. Myers, A. C. Gossard, D. D. Awschalom
Abstract
An L-shaped strained n-InGaAs channel is used to polarize and subsequently rotate electron spins solely by means of electric fields. Precession of electrically-excited spins in the absence of applied magnetic fields is directly observed by Kerr rotation microscopy. In addition, in-plane and out-of-plane components of the spin polarization in the channel are simultaneously imaged.
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