Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities

Jun Wang; Huawen Xu; Rui Su; Yutian Peng; Jinqi Wu; Timothy C.H. Liew; Qihua Xiong

doi:10.1038/s41377-021-00478-w

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Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities

Articles

- Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities
- Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities
- LSA 2021年10卷第3期页码：401-408
- Affiliations：
  
  1.Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, Singapore
  2.State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing, China
  3.MajuLab, International Joint Research Unit UMI 3654, CNRS, Université C?te d'Azur, Sorbonne Université, National University of Singapore, Nanyang Technological University, Singapore, Singapore
  4.Beijing Academy of Quantum Information Sciences, Beijing 100193, P.R. China
- Author bio：
  
  Rui Su (Surui@ntu.edu.sg)
  Timothy C. H. Liew (Timothyliew@ntu.edu.sg)
  Qihua Xiong (Qihua_xiong@tsinghua.edu.cn)
- Funds：
- DOI：10.1038/s41377-021-00478-w
  中图分类号：
- 纸质出版日期：2021，
  
  网络出版日期：2021-03-01，
  
  收稿日期：2020-09-04，
  
  修回日期：2021-01-04，
  
  录用日期：2021-01-19
- Accepted：
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Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities[J]. LSA, 2021,10(3):401-408.

Wang, J. et al. Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities. Light: Science & Applications, 10, 401-408 (2021).
Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities[J]. LSA, 2021,10(3):401-408. DOI： 10.1038/s41377-021-00478-w.

Wang, J. et al. Spontaneously coherent orbital coupling of counterrotating exciton polaritons in annular perovskite microcavities. Light: Science & Applications, 10, 401-408 (2021). DOI： 10.1038/s41377-021-00478-w.

摘要

Abstract

Exciton-polariton condensation is regarded as a spontaneous macroscopic quantum phenomenon with phase ordering and collective coherence. By engineering artificial annular potential landscapes in halide perovskite semiconductor microcavities

we experimentally and theoretically demonstrate the room-temperature spontaneous formation of a coherent superposition of exciton-polariton orbital states with symmetric petal-shaped patterns in real space

resulting from symmetry breaking due to the anisotropic effective potential of the birefringent perovskite crystals. The lobe numbers of such petal-shaped polariton condensates can be precisely controlled by tuning the annular potential geometry. These petal-shaped condensates form in multiple orbital states

carrying locked alternating π phase shifts and vortex-antivortex superposition cores

arising from the coupling of counterrotating exciton-polaritons in the confined circular waveguide. Our geometrically patterned microcavity exhibits promise for realizing room-temperature topological polaritonic devices and optical polaritonic switches based on periodic annular potentials.

关键词

Keywords

references

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