{
  "abstract": "Open cavities are emerging as a promising platform for studying light-matter interactions. A lossy open cavity couples to an atomic monolayer, resulting in parabolic dispersive emission at room temperature. Here, light-matter interaction is weak, and the dispersion arises from a phenomenon known as dark strong coupling. The bright 2D exciton rapidly decays through the cavity mode, leaving behind spin-dark excitons of the 2D lattice, thereby undergoing symmetry breaking. Further, mapping the polarisation dependence in the k-space reveals spin-orbit interaction in the coupled system. A synthetic spin-orbit Hamiltonian is constructed to extract the effective contributions of Rashba- and Dresselhaus-type interactions in the open cavity. The system shows a clear evolution of the spin-orbit effect at room temperature. Here, emission is polarisation-sensitive, yielding high degrees of linear and circular polarisation. This is one of the simplest configurations for studying photonic spin-orbit coupling, in which an atomic monolayer provides Rashba and Dresselhaus coupling constants of 24 eV Å, and ~10^5 eV Å^2, respectively. Therefore, an open cavity platform is promising for polarisation-sensitive measurements and device applications.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.06311",
  "author_total": 5,
  "authors": [
    {
      "name": "Kunal Banerjee"
    },
    {
      "name": "Ben Johns"
    },
    {
      "name": "Nitin Yadav"
    },
    {
      "name": "Anil Shaji"
    },
    {
      "name": "Jino George"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/96k080nm285ts.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.06311",
  "fulltext_url": null,
  "id": "96k080nm285ts",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.06311",
  "language": null,
  "licence": "CC-BY-NC-ND-4.0",
  "licence_label": "CC BY-NC-ND 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "physics.optics"
    ],
    [
      "openalex",
      "3107|Strong Light-Matter Interactions"
    ]
  ],
  "openalex": "W7220731990",
  "pdf_url": "https://arxiv.org/pdf/2610.06311",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-05",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/96k080nm285ts.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:27:01Z",
      "native_id": "2610.06311",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.06311"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:physics.optics",
      "subfield": "optics-photonics"
    }
  ],
  "title": "Extraordinary Optical Spin Hall Effect in 2D Exciton Emission in Open Cavities",
  "title_text": "Extraordinary Optical Spin Hall Effect in 2D Exciton Emission in Open Cavities",
  "type": "preprint",
  "updated_at": "2026-10-30T12:27:01Z",
  "url": "https://research.draconitic.com/paper/96k080nm285ts",
  "venue": "arXiv",
  "versions": []
}