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 Kędziora, Karolina Łempicka‐Mirek, Rafał Mazur, Przemysław Morawiak, Wiktor Piecek, Przemysław Kula, Pavlos G. Lagoudakis, Barbara Piętka, Jacek Szczytko
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.
Topics & Concepts
Lasing thresholdCondensed matter physicsSpin (aerodynamics)Helix (gastropod)Spin–orbit interactionCoupling (piping)PhysicsLiquid crystalCoherence (philosophical gambling strategy)Crystal (programming language)Dispersion (optics)Materials scienceOpticsLaserQuantum mechanicsSnailThermodynamicsBiologyMetallurgyProgramming languageEcologyComputer scienceNeural Networks and Reservoir ComputingMechanical and Optical ResonatorsStrong Light-Matter Interactions