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Lead halide perovskite vortex microlasers

Author

Listed:
  • Wenzhao Sun

    (Harbin Institute of Technology)

  • Yilin Liu

    (Harbin Institute of Technology)

  • Geyang Qu

    (Harbin Institute of Technology)

  • Yubin Fan

    (Harbin Institute of Technology)

  • Wei Dai

    (Harbin Institute of Technology)

  • Yuhan Wang

    (Harbin Institute of Technology)

  • Qinghai Song

    (Harbin Institute of Technology
    Shanxi University)

  • Jiecai Han

    (Harbin Institute of Technology)

  • Shumin Xiao

    (Harbin Institute of Technology
    Shanxi University
    Harbin Institute of Technology)

Abstract

Lead halide perovskite microlasers have been very promising for versatile optoelectronic applications. However, most perovskite microlasers are linearly polarized with uniform wavefront. The structured laser beams carrying orbital angular momentum have rarely been studied and the applications of perovskites in next-generation optical communications are thus hindered. Herein, we experimentally demonstrate the perovskite vortex microlasers with highly directional outputs and well−controlled topological charges. High quality gratings have been experimentally fabricated in perovskite film and the subsequent vertical cavity surface emitting lasers (VCSELs) with divergent angles of 3o are achieved. With the control of Archimedean spiral gratings, the wavefront of the perovskite VCSELs has been switched to be helical with topological charges of q = −4 to 4. This research is able to expand the potential applications of perovskite microlasers in hybrid integrated photonic networks, as well as optical computing.

Suggested Citation

  • Wenzhao Sun & Yilin Liu & Geyang Qu & Yubin Fan & Wei Dai & Yuhan Wang & Qinghai Song & Jiecai Han & Shumin Xiao, 2020. "Lead halide perovskite vortex microlasers," Nature Communications, Nature, vol. 11(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18669-1
    DOI: 10.1038/s41467-020-18669-1
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    Cited by:

    1. Qi Han & Jun Wang & Shuangshuang Tian & Shen Hu & Xuefeng Wu & Rongxu Bai & Haibin Zhao & David W. Zhang & Qingqing Sun & Li Ji, 2024. "Inorganic perovskite-based active multifunctional integrated photonic devices," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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