Pump-Driven Opto-Magnetic Properties in Semiconducting Transition-Metal Dichalcogenides: An Analytical Model

Habib Rostami, Federico Cilento, Emmanuele Cappelluti

Research output: Contribution to journalArticlepeer-review

Abstract

Single-layer transition-metal dichalcogenides provide an unique intrinsic entanglement between the spin/valley/orbital degrees of freedom and the polarization of scattered photons. This scenario gives rise to the well-assessed optical dichroism observed by using both steady and time-resolved probes. In this paper, we provide compact analytical modeling of the onset of a finite Faraday/Kerr optical rotation upon shining with circularly polarized light. We identify different optical features displaying optical rotation at different characteristic energies, and we describe in an analytical framework the time-dependence of their intensities as a consequence of the main spin-conserving and spin-flip processes.
Original languageEnglish
Article number707
Number of pages19
JournalNanomaterials
Volume14
Issue number8
Early online date18 Apr 2024
DOIs
Publication statusPublished - 18 Apr 2024

Data Availability Statement

Data are contained within the article

Keywords

  • Faraday/Kerr rotation
  • magneto-optical properties
  • quantum entanglement
  • time-resolved nonequilibrium spectroscopy
  • transition-metal dichalcogenides

ASJC Scopus subject areas

  • General Chemical Engineering
  • General Materials Science

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