Spin orientation of a two-dimensional electron gas by a high-frequency electric field

Abstract

Coupling of spin states and space motion of conduction electrons due to spin-orbit interaction opens up possibilities for manipulation of the electron spins by electrical means. It is shown here that spin orientation of a two-dimensional electron gas can be achieved by excitation of the carriers with a linearly polarized high-frequency electric field. In (001)-grown quantum well structures excitation with in-plane ac electric field induces orientation of the electron spins along the quantum well normal, with the spin sign and the magnitude depending on the field polarization.

5 pages, 1 figure

References in corpus (2)

• Current induced electron spin polarization in strained semiconductors
• Can an electric current orient spins in quantum wells?

Cited by in corpus (8)

• Quantum ratchet effects induced by terahertz radiation in GaN-based two-dimensional structures
• Pure spin photocurrents
• Electron scattering in quantum wells subjected to an in-plane magnetic field
• Frequency dependence of induced spin polarization and spin current in quantum wells
• Current-induced Spin Polarization in Two-Dimensional Hole Gas
• Manipulating the spin texture in spin-orbit superlattice by terahertz radiation
• Terahertz radiation-induced conductivity, Kerr and Faraday angles, and spin textures in a two-dimensional electron gas with spin-orbit coupling subjected to a high magnetic field and periodic potential
• Spin-charge conversion in disordered two-dimensional electron gases lacking inversion symmetry