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Photonic-crystal exciton-polaritons in monolayer semiconductors

Author

Listed:
  • Long Zhang

    (University of Michigan)

  • Rahul Gogna

    (University of Michigan)

  • Will Burg

    (The University of Texas at Austin)

  • Emanuel Tutuc

    (The University of Texas at Austin)

  • Hui Deng

    (University of Michigan
    University of Michigan)

Abstract

Semiconductor microcavity polaritons, formed via strong exciton-photon coupling, provide a quantum many-body system on a chip, featuring rich physics phenomena for better photonic technology. However, conventional polariton cavities are bulky, difficult to integrate, and inflexible for mode control, especially for room-temperature materials. Here we demonstrate sub-wavelength-thick, one-dimensional photonic crystals as a designable, compact, and practical platform for strong coupling with atomically thin van der Waals crystals. Polariton dispersions and mode anti-crossings are measured up to room temperature. Non-radiative decay to dark excitons is suppressed due to polariton enhancement of the radiative decay. Unusual features, including highly anisotropic dispersions and adjustable Fano resonances in reflectance, may facilitate high temperature polariton condensation in variable dimensions. Combining slab photonic crystals and van der Waals crystals in the strong coupling regime allows unprecedented engineering flexibility for exploring novel polariton phenomena and device concepts.

Suggested Citation

  • Long Zhang & Rahul Gogna & Will Burg & Emanuel Tutuc & Hui Deng, 2018. "Photonic-crystal exciton-polaritons in monolayer semiconductors," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03188-x
    DOI: 10.1038/s41467-018-03188-x
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    Cited by:

    1. Qiuyang Li & Adam Alfrey & Jiaqi Hu & Nathanial Lydick & Eunice Paik & Bin Liu & Haiping Sun & Yang Lu & Ruoyu Wang & Stephen Forrest & Hui Deng, 2023. "Macroscopic transition metal dichalcogenides monolayers with uniformly high optical quality," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Ruoming Peng & Adina Ripin & Yusen Ye & Jiayi Zhu & Changming Wu & Seokhyeong Lee & Huan Li & Takashi Taniguchi & Kenji Watanabe & Ting Cao & Xiaodong Xu & Mo Li, 2022. "Long-range transport of 2D excitons with acoustic waves," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    3. Francesco L. Ruta & Shuai Zhang & Yinming Shao & Samuel L. Moore & Swagata Acharya & Zhiyuan Sun & Siyuan Qiu & Johannes Geurs & Brian S. Y. Kim & Matthew Fu & Daniel G. Chica & Dimitar Pashov & Xiaod, 2023. "Hyperbolic exciton polaritons in a van der Waals magnet," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    4. Fuhuan Shen & Zhenghe Zhang & Yaoqiang Zhou & Jingwen Ma & Kun Chen & Huanjun Chen & Shaojun Wang & Jianbin Xu & Zefeng Chen, 2022. "Transition metal dichalcogenide metaphotonic and self-coupled polaritonic platform grown by chemical vapor deposition," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    5. Huiqin Zhang & Bhaskar Abhiraman & Qing Zhang & Jinshui Miao & Kiyoung Jo & Stefano Roccasecca & Mark W. Knight & Artur R. Davoyan & Deep Jariwala, 2020. "Hybrid exciton-plasmon-polaritons in van der Waals semiconductor gratings," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    6. Tingting Wu & Chongwu Wang & Guangwei Hu & Zhixun Wang & Jiaxin Zhao & Zhe Wang & Ksenia Chaykun & Lin Liu & Mengxiao Chen & Dong Li & Song Zhu & Qihua Xiong & Zexiang Shen & Huajian Gao & Francisco J, 2024. "Ultrastrong exciton-plasmon couplings in WS2 multilayers synthesized with a random multi-singular metasurface at room temperature," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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