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Non-linear spin-orbit interaction devices and methods for current-to-spin conversion and amplification of spin-polarizations
Non-linear spin-orbit interaction devices and methods for current-to-spin conversion and amplification of spin-polarizations
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机译:电流自旋转换和自旋极化放大的非线性自旋轨道相互作用装置和方法
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摘要
The present invention is notably directed to a spin-orbit coupled device. This device comprises a confinement part. It further includes a circuitry, having an input device, energizable to inject spin-polarizations to charge carriers in an input region of the confinement part. The circuitry further comprises an output device, usable to detect spin-polarizations of charge carriers in an output region of the confinement part. The confinement part may be is configured to subject charge carriers drifting therein to a non-linear spin-orbit interaction, which causes to rotate a spin polarization of the drifting charge carriers by an angle that depends non-linearly on momenta of such charge carriers. The circuitry may be configured to allow momenta of charge carriers drifting in the confinement part to be varied, while injecting spin-polarizations in the input region. Varying momenta allows spin-polarizations of drifting charge carriers to be rotated, owing to said non-linear spin-orbit interaction.
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