Author
Listed:
- Mengyao Li
(City College of New York
City College of New York
Graduate Center of the City University of New York)
- Ivan Sinev
(ITMO University)
- Fedor Benimetskiy
(ITMO University)
- Tatyana Ivanova
(ITMO University)
- Ekaterina Khestanova
(ITMO University)
- Svetlana Kiriushechkina
(City College of New York)
- Anton Vakulenko
(City College of New York)
- Sriram Guddala
(City College of New York
City College of New York)
- Maurice Skolnick
(ITMO University
University of Sheffield)
- Vinod M. Menon
(City College of New York
Graduate Center of the City University of New York)
- Dmitry Krizhanovskii
(ITMO University
University of Sheffield)
- Andrea Alù
(City College of New York
Graduate Center of the City University of New York
City University of New York)
- Anton Samusev
(ITMO University)
- Alexander B. Khanikaev
(City College of New York
City College of New York
Graduate Center of the City University of New York)
Abstract
The rise of quantum science and technologies motivates photonics research to seek new platforms with strong light-matter interactions to facilitate quantum behaviors at moderate light intensities. Topological polaritons (TPs) offer an ideal platform in this context, with unique properties stemming from resilient topological states of light strongly coupled with matter. Here we explore polaritonic metasurfaces based on 2D transition metal dichalcogenides (TMDs) as a promising platform for topological polaritonics. We show that the strong coupling between topological photonic modes of the metasurface and excitons in TMDs yields a topological polaritonic Z2 phase. We experimentally confirm the emergence of one-way spin-polarized edge TPs in metasurfaces integrating MoSe2 and WSe2. Combined with the valley polarization in TMD monolayers, the proposed system enables an approach to engage the photonic angular momentum and valley and spin of excitons, offering a promising platform for photonic/solid-state interfaces for valleytronics and spintronics.
Suggested Citation
Mengyao Li & Ivan Sinev & Fedor Benimetskiy & Tatyana Ivanova & Ekaterina Khestanova & Svetlana Kiriushechkina & Anton Vakulenko & Sriram Guddala & Maurice Skolnick & Vinod M. Menon & Dmitry Krizhanov, 2021.
"Experimental observation of topological Z2 exciton-polaritons in transition metal dichalcogenide monolayers,"
Nature Communications, Nature, vol. 12(1), pages 1-10, December.
Handle:
RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24728-y
DOI: 10.1038/s41467-021-24728-y
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Citations
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Cited by:
- Alexander B. Khanikaev & Andrea Alù, 2024.
"Topological photonics: robustness and beyond,"
Nature Communications, Nature, vol. 15(1), pages 1-3, December.
- Wuchao Huang & Thomas G. Folland & Fengsheng Sun & Zebo Zheng & Ningsheng Xu & Qiaoxia Xing & Jingyao Jiang & Huanjun Chen & Joshua D. Caldwell & Hugen Yan & Shaozhi Deng, 2023.
"In-plane hyperbolic polariton tuners in terahertz and long-wave infrared regimes,"
Nature Communications, Nature, vol. 14(1), pages 1-12, December.
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