Photon-assisted electron transmission resonance through a quantum well with spin-orbit coupling

Abstract

Using the effective-mass approximation and Floquet theory, we study the electron transmission over a quantum well in semiconductor heterostructures with Dresselhaus spin-orbit coupling and an applied oscillation field. It is demonstrated by the numerical evaluations that Dresselhaus spin-orbit coupling eliminates the spin degeneracy and leads to the splitting of asymmetric Fano-type resonance peaks in the conductivity. In turn, the splitting of Fano-type resonance induces the spin- polarization-dependent electron-current. The location and line shape of Fano-type resonance can be controlled by adjusting the oscillation frequency and the amplitude of external field as well. These interesting features may be a very useful basis for devising tunable spin filters.

10pages,4figures

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• Spin Hall effect
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Cited by in corpus (8)

• Anomalous Floquet tunneling in uniaxially strained graphene
• Remote-control spin filtering through a $T$-type structure
• Beating oscillation and Fano resonance in the laser assisted electron transmission through graphene δ- function magnetic barriers
• Single spin Landau-Zener-Stückelberg-Majorana interferometry of Zeeman-split states with strong spin-orbit interaction in a double quantum dot
• Robust Dynamical Recurrences Based on Floquet Spectrum
• Spin-selective resonant tunneling induced by Rashba spin-orbit interaction in semiconductor nanowire
• Pseudospin-one particles in the time-periodic dice lattice: A new approach to transport control
• Cold Atoms in Driven Optical Lattices