Nature Communications (Sep 2022)
Annihilation of exceptional points from different Dirac valleys in a 2D photonic system
- M. Król,
- I. Septembre,
- P. Oliwa,
- M. Kędziora,
- K. Łempicka-Mirek,
- M. Muszyński,
- R. Mazur,
- P. Morawiak,
- W. Piecek,
- P. Kula,
- W. Bardyszewski,
- P. G. Lagoudakis,
- D. D. Solnyshkov,
- G. Malpuech,
- B. Piętka,
- J. Szczytko
Affiliations
- M. Król
- Institute of Experimental Physics, Faculty of Physics, University of Warsaw
- I. Septembre
- Institut Pascal, PHOTON-N2, Université Clermont Auvergne, CNRS, Clermont INP
- P. Oliwa
- Institute of Experimental Physics, Faculty of Physics, University of Warsaw
- M. Kędziora
- Institute of Experimental Physics, Faculty of Physics, University of Warsaw
- K. Łempicka-Mirek
- Institute of Experimental Physics, Faculty of Physics, University of Warsaw
- M. Muszyński
- Institute of Experimental Physics, Faculty of Physics, University of Warsaw
- R. Mazur
- Institute of Applied Physics, Military University of Technology
- P. Morawiak
- Institute of Applied Physics, Military University of Technology
- W. Piecek
- Institute of Applied Physics, Military University of Technology
- P. Kula
- Institute of Chemistry, Military University of Technology
- W. Bardyszewski
- Institute of Theoretical Physics, Faculty of Physics, University of Warsaw
- P. G. Lagoudakis
- Skolkovo Institute of Science and Technology
- D. D. Solnyshkov
- Institut Pascal, PHOTON-N2, Université Clermont Auvergne, CNRS, Clermont INP
- G. Malpuech
- Institut Pascal, PHOTON-N2, Université Clermont Auvergne, CNRS, Clermont INP
- B. Piętka
- Institute of Experimental Physics, Faculty of Physics, University of Warsaw
- J. Szczytko
- Institute of Experimental Physics, Faculty of Physics, University of Warsaw
- DOI
- https://doi.org/10.1038/s41467-022-33001-9
- Journal volume & issue
-
Vol. 13,
no. 1
pp. 1 – 6
Abstract
The authors study a liquid crystal microcavity with polarization-dependent absorption, a source of non-Hermiticity. The transition in the Hermitian topology of the spin-orbit coupling makes possible the annihilation of exceptional points.
