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Impacts of external fields and Rashba and Dresselhaus spin–orbit interactions on the optical rectification, second and third harmonic generations of a quantum ring

  • Seyed Ebrahim PourmandEmail author
  • Ghasem Rezaei
  • Behrooz Vaseghi
Regular Article
  • 15 Downloads

Abstract

In the present paper, based on matrix diagonalization method and density matrix approach, the optical rectification (OR), second harmonic and third harmonic generations (SHG and THG) of a GaAs quantum ring (QR) were numerically investigated. To do this purpose, dependency of transition energies and geometrical factors on external magnetic, electric fields and inner radius were analyzed in the presence of Rashba (R) and Dresselhaus (D) spin orbit interactions (SOIs). The outcomes obviously indicate that position and amplitude of OR, SHG and THG peaks experienced intensive depend on external fields, inner radius and interplay of SOIs. These outcomes may be useful due to improvement of spintronics devices.

Graphical abstract

Keywords

Solid State and Materials 

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Copyright information

© EDP Sciences / Società Italiana di Fisica / Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Seyed Ebrahim Pourmand
    • 1
    Email author
  • Ghasem Rezaei
    • 2
  • Behrooz Vaseghi
    • 2
  1. 1.Department of Optics and Laser EngineeringEstahban Branch, Islamic Azad UniversityEstahbanIran
  2. 2.Department of PhysicsCollege of Sciences, Yasouj UniversityYasoujIran

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