In-plane hyperbolic polariton tuners in terahertz and long-wave infrared regimes

Wuchao Huang; Thomas G. Folland; Fengsheng Sun; Zebo Zheng; Ningsheng Xu; Qiaoxia Xing; Jingyao Jiang; Huanjun Chen; Joshua D. Caldwell; Hugen Yan; Shaozhi Deng

doi:10.1038/s41467-023-38214-0

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In-plane hyperbolic polariton tuners in terahertz and long-wave infrared regimes

Journal article

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In-plane hyperbolic polariton tuners in terahertz and long-wave infrared regimes

Wuchao Huang, Thomas G. Folland, Fengsheng Sun, Zebo Zheng, Ningsheng Xu, Qiaoxia Xing, Jingyao Jiang, Huanjun Chen, Joshua D. Caldwell, Hugen Yan, …

Nature communications, Vol.14(1), pp.2716-2716

05/11/2023

DOI: 10.1038/s41467-023-38214-0

PMCID: PMC10175486

PMID: 37169788

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Abstract

One of the main bottlenecks in the development of terahertz (THz) and long-wave infrared (LWIR) technologies is the limited intrinsic response of traditional materials. Hyperbolic phonon polaritons (HPhPs) of van der Waals semiconductors couple strongly with THz and LWIR radiation. However, the mismatch of photon − polariton momentum makes far-field excitation of HPhPs challenging. Here, we propose an In-Plane Hyperbolic Polariton Tuner that is based on patterning van der Waals semiconductors, here α-MoO 3 , into ribbon arrays. We demonstrate that such tuners respond directly to far-field excitation and give rise to LWIR and THz resonances with high quality factors up to 300, which are strongly dependent on in-plane hyperbolic polariton of the patterned α-MoO 3 . We further show that with this tuner, intensity regulation of reflected and transmitted electromagnetic waves, as well as their wavelength and polarization selection can be achieved. Our results can help the development of THz and LWIR miniaturized devices. In-plane hyperbolic phonon polaritons in α-MoO 3 crystals hold promise for terahertz (THz) and longwave infrared (LWIR) photonic applications, but their coupling with far-field excitations remains challenging. Here, the authors report the fabrication of α-MoO 3 ribbon arrays that can be applied as tunable THz and LWIR filters and polarizers.

Polaritons

Two-dimensional materials

Details

Title: Subtitle: In-plane hyperbolic polariton tuners in terahertz and long-wave infrared regimes
Creators: Wuchao Huang - Guangzhou, 510275 China
Thomas G. Folland - University of Iowa, Physics and Astronomy
Fengsheng Sun - Guangzhou, 510275 China
Zebo Zheng - Guangzhou, 510275 China
Ningsheng Xu - Guangzhou, 510275 China Shanghai, 200433 China
Qiaoxia Xing - Shanghai, 200433 China
Jingyao Jiang - Guangzhou, 510275 China
Huanjun Chen - Guangzhou, 510275 China
Joshua D. Caldwell - Nashville, TN 37235 USA
Hugen Yan - Shanghai, 200433 China
Shaozhi Deng - Guangzhou, 510275 China
Resource Type: Journal article
Publication Details: Nature communications, Vol.14(1), pp.2716-2716
DOI: 10.1038/s41467-023-38214-0
PMID: 37169788
PMCID: PMC10175486
NLM abbreviation: Nat Commun
ISSN: 2041-1723
eISSN: 2041-1723
Publisher: Nature Publishing Group UK
Grant note: #2128240 / ; 91963205; 11904420 / ;
Language: English
Date published: 05/11/2023
Academic Unit: Physics and Astronomy
Record Identifier: 9984442009402771

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