Spin active split-ring resonator for THz high harmonic generation

Dominik Schulze; Jonas Wätzel; Jamal Berakdar

doi:10.1140/epjb/e2018-90142-5

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Spin active split-ring resonator for THz high harmonic generation^★

Dominik Schulze, Jonas Wätzel and Jamal Berakdar^a

Institut für Physik, Martin-Luther-Universität Halle-Wittenberg, 06120 Halle/Saale, Germany

Received: 8 March 2018
Received in final form: 5 April 2018
Published online: 11 June 2018

Abstract

We explore theoretically the utilization of laser-driven split, semiconductor-based quantum rings as a source for high harmonic generation in the THz regime. Particular attention is paid to spin-related effects mediated by Rashba-type spin orbital coupling. The frequencies of the fundamental harmonics exhibit different time characteristics related to the charge and spin dynamics offering so a tool to access the spin time evolution by monitoring the time dependent harmonic emission.

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Contribution to the Topical Issue “Special issue in honor of Hardy Gross”, edited by C.A. Ullrich, F.M.S. Nogueira, A. Rubio, and M.A.L. Marques.

23rd International Summer School on Vacuum, Electron, and Ion Technologies (VEIT)
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Spin active split-ring resonator for THz high harmonic generation★

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Spin active split-ring resonator for THz high harmonic generation^★