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Hidden chirality and half-vortex formation in exciton-polariton condensates

  • A. N. Osipov
  • I. Y. Chestnov
  • P. G. Lagoudakis
  • A. V. Yulin
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Abstract

We show that a radially symmetric, nonresonantly pumped spinor exciton-polariton condensate can acquire chirality without a rotating drive, chiral geometry, or pump orbital angular momentum. Spin relaxation in a two-reservoir system shifts the reservoir-induced blueshift relative to the gain profile, creating an effective non-Hermitian chiral potential. A reduced angular-mode theory reveals tunable exceptional points and non-reciprocal coupling between counter-rotating modes. Full driven-dissipative Gross-Pitaevskii simulations show that this hidden chirality enables all-optical formation of spin-selective half-vortices.

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Cite

BibTeXRIS
BibTeX
@misc{osipov2026hidden,
  title = {{Hidden chirality and half-vortex formation in exciton-polariton condensates}},
  author = {A. N. Osipov and I. Y. Chestnov and P. G. Lagoudakis and A. V. Yulin},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2606.16233},
  eprint = {2606.16233},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.16233},
}
RIS
TY  - UNPB
TI  - Hidden chirality and half-vortex formation in exciton-polariton condensates
AU  - A. N. Osipov
AU  - I. Y. Chestnov
AU  - P. G. Lagoudakis
AU  - A. V. Yulin
PY  - 2026
DA  - 2026/10/23
PB  - arXiv
DO  - 10.48550/arxiv.2606.16233
UR  - https://arxiv.org/abs/2606.16233
AB  - We show that a radially symmetric, nonresonantly pumped spinor exciton-polariton condensate can acquire chirality without a rotating drive, chiral geometry, or pump orbital angular momentum. Spin relaxation in a two-reservoir system shifts the reservoir-induced blueshift relative to the gain profile, creating an effective non-Hermitian chiral potential. A reduced angular-mode theory reveals tunable exceptional points and non-reciprocal coupling between counter-rotating modes. Full driven-dissipative Gross-Pitaevskii simulations show that this hidden chirality enables all-optical formation of spin-selective half-vortices.
ER  -