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Realizing Persistent-Spin-Helix Lasing in the Regime of Rashba-Dresselhaus Spin-Orbit Coupling in a Dye-Filled Liquid-Crystal Optical Microcavity

  • Marcin Muszyński
  • , Mateusz Król
  • , Katarzyna Rechcińska
  • , Przemysław Oliwa
  • , Mateusz Kȩdziora
  • , Karolina Łempicka-Mirek
  • , Rafał Mazur
  • , Przemysław Morawiak
  • , Wiktor Piecek
  • , Przemysław Kula
  • , Pavlos G. Lagoudakis
  • , Barbara Piȩtka
  • , Jacek Szczytko*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

In the presence of Rashba-Dresselhaus coupling, strong spin-orbit interactions in liquid-crystal optical cavities result in a distinctive spin-split entangled dispersion. Spin coherence between such modes gives rise to an optically persistent spin helix. In this paper, we introduce optical gain in such a system, by dispersing a molecular dye in a liquid-crystal microcavity, and demonstrate an optically persistent spin-helix lasing in the Rashba-Dresselhaus regime.

Original languageEnglish
Article number014041
JournalPhysical Review Applied
Volume17
Issue number1
DOIs
Publication statusPublished - Jan 2022
Externally publishedYes

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