Engineering spin-orbit synthetic Hamiltonians in liquid-crystal optical cavities

Katarzyna Rechcinska, Mateusz Król, Rafał Mazur, Przemysław Morawiak, Rafał Mirek, Karolina Łempicka, Witold Bardyszewski, Michał Matuszewski, Przemysław Kula, Wiktor Piecek, Pavlos G. Lagoudakis, Barbara Pietka, Jacek Szczytko

    Research output: Contribution to journalArticlepeer-review

    40 Citations (Scopus)

    Abstract

    Spin-orbit interactions lead to distinctive functionalities in photonic systems. They exploit the analogy between the quantum mechanical description of a complex electronic spin-orbit system and synthetic Hamiltonians derived for the propagation of electromagnetic waves in dedicated spatial structures. We realize an artificial Rashba-Dresselhaus spin-orbit interaction in a liquid crystal–filled optical cavity. Three-dimensional tomography in energy-momentum space enabled us to directly evidence the spin-split photon mode in the presence of an artificial spin-orbit coupling. The effect is observed when two orthogonal linear polarized modes of opposite parity are brought near resonance. Engineering of spin-orbit synthetic Hamiltonians in optical cavities opens the door to photonic emulators of quantum Hamiltonians with internal degrees of freedom.

    Original languageEnglish
    Pages (from-to)727-730
    Number of pages4
    JournalScience
    Volume366
    Issue number6466
    DOIs
    Publication statusPublished - 8 Nov 2019

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