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Observation of non-Hermitian degeneracies in a chaotic exciton-polariton billiard

Author

Listed:
  • T. Gao

    (Research School of Physics and Engineering, The Australian National University)

  • E. Estrecho

    (Research School of Physics and Engineering, The Australian National University)

  • K. Y. Bliokh

    (Research School of Physics and Engineering, The Australian National University
    Center for Emergent Matter Science, RIKEN)

  • T. C. H. Liew

    (School of Physical and Mathematical Sciences, Nanyang Technological University)

  • M. D. Fraser

    (Center for Emergent Matter Science, RIKEN)

  • S. Brodbeck

    (Technische Physik and Wilhelm-Conrad-Röntgen Research Center for Complex Material Systems, Universität Würzburg)

  • M. Kamp

    (Technische Physik and Wilhelm-Conrad-Röntgen Research Center for Complex Material Systems, Universität Würzburg)

  • C. Schneider

    (Technische Physik and Wilhelm-Conrad-Röntgen Research Center for Complex Material Systems, Universität Würzburg)

  • S. Höfling

    (Technische Physik and Wilhelm-Conrad-Röntgen Research Center for Complex Material Systems, Universität Würzburg
    SUPA, School of Physics and Astronomy, University of St Andrews)

  • Y. Yamamoto

    (ImPACT Project, Japan Science and Technology Agency
    Edward L. Ginzton Laboratory, Stanford University)

  • F. Nori

    (Center for Emergent Matter Science, RIKEN
    University of Michigan)

  • Y. S. Kivshar

    (Research School of Physics and Engineering, The Australian National University)

  • A. G. Truscott

    (Research School of Physics and Engineering, The Australian National University)

  • R. G. Dall

    (Research School of Physics and Engineering, The Australian National University)

  • E. A. Ostrovskaya

    (Research School of Physics and Engineering, The Australian National University)

Abstract

In non-Hermitian systems, spectral degeneracies can arise that can cause unusual, counter-intuitive effects; here exciton-polaritons—hybrid light–matter particles—within a semiconductor microcavity are found to display non-trivial topological modal structure exclusive to such systems.

Suggested Citation

  • T. Gao & E. Estrecho & K. Y. Bliokh & T. C. H. Liew & M. D. Fraser & S. Brodbeck & M. Kamp & C. Schneider & S. Höfling & Y. Yamamoto & F. Nori & Y. S. Kivshar & A. G. Truscott & R. G. Dall & E. A. Ost, 2015. "Observation of non-Hermitian degeneracies in a chaotic exciton-polariton billiard," Nature, Nature, vol. 526(7574), pages 554-558, October.
    • Handle: RePEc:nat:nature:v:526:y:2015:i:7574:d:10.1038_nature15522
    DOI: 10.1038/nature15522
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    Citations

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    Cited by:

    1. Danial Saadatmand & Aliakbar Moradi Marjaneh, 2022. "Scattering of the asymmetric $$\phi ^6$$ ϕ 6 kinks from a $${\mathcal{PT}\mathcal{}}$$ PT -symmetric perturbation: creating multiple kink–antikink pairs from phonons," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 95(9), pages 1-13, September.
    2. M. Wurdack & T. Yun & M. Katzer & A. G. Truscott & A. Knorr & M. Selig & E. A. Ostrovskaya & E. Estrecho, 2023. "Negative-mass exciton polaritons induced by dissipative light-matter coupling in an atomically thin semiconductor," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    3. 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 , 2022. "Annihilation of exceptional points from different Dirac valleys in a 2D photonic system," Nature Communications, Nature, vol. 13(1), pages 1-6, December.
    4. Xin Zhou & Xingjing Ren & Dingbang Xiao & Jianqi Zhang & Ran Huang & Zhipeng Li & Xiaopeng Sun & Xuezhong Wu & Cheng-Wei Qiu & Franco Nori & Hui Jing, 2023. "Higher-order singularities in phase-tracked electromechanical oscillators," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    5. A. Hashemi & K. Busch & D. N. Christodoulides & S. K. Ozdemir & R. El-Ganainy, 2022. "Linear response theory of open systems with exceptional points," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    6. Kai Zhang & Zhesen Yang & Chen Fang, 2022. "Universal non-Hermitian skin effect in two and higher dimensions," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    7. Yao Li & Xuekai Ma & Xiaokun Zhai & Meini Gao & Haitao Dai & Stefan Schumacher & Tingge Gao, 2022. "Manipulating polariton condensates by Rashba-Dresselhaus coupling at room temperature," Nature Communications, Nature, vol. 13(1), pages 1-6, December.
    8. Ievgen I. Arkhipov & Adam Miranowicz & Fabrizio Minganti & Şahin K. Özdemir & Franco Nori, 2023. "Dynamically crossing diabolic points while encircling exceptional curves: A programmable symmetric-asymmetric multimode switch," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    9. Zijin Yang & Po-Sheng Huang & Yu-Tsung Lin & Haoye Qin & Jesús Zúñiga-Pérez & Yuzhi Shi & Zhanshan Wang & Xinbin Cheng & Man-Chung Tang & Sanyang Han & Boubacar Kanté & Bo Li & Pin Chieh Wu & Patrice , 2024. "Creating pairs of exceptional points for arbitrary polarization control: asymmetric vectorial wavefront modulation," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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