High-sensitivity terahertz rectification and microwave heterodyne mixing with a ZrTe2-based two-terminal rectenna

Zirconium telluride (ZrTe2), a three-dimensional Dirac semimetal, combines high carrier mobility with robust environmental and structural stability, making it a suitable material for terahertz (THz) optoelectronics. Here, we report a ZrTe2-based rectenna that integrates broadband THz rectification and heterodyne mixing in a single device. The rectenna exhibits a peak responsivity of 800 V/W over the 0.02–0.32 THz range under 175 mV bias, with an ultrafast response time of 415 ns. Furthermore, it supports higher-order subharmonic mixing up to the 7th order, achieving a 10 dB intermediate frequency bandwidth exceeding 14 GHz. These results underscore the potential of ZrTe2 for compact, high-speed, and nonlinear THz signal detection and processing, with promising implications for next-generation wireless communication and sensing technologies.

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Publication Details

Journal
APL Photonics
Published
2025-08-01
DOI
https://doi.org/10.1063/5.0267871
Primary Topic
Energy Harvesting in Wireless Networks
Type
article
Field-Weighted Citation Impact
0.00

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article

High-sensitivity terahertz rectification and microwave heterodyne mixing with a ZrTe2-based two-terminal rectenna

Lin Wang, Yiming Wang, Xiaozhong Wang, Xingjun Wang et al.
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APL Photonics
Energy Harvesting in Wireless Networks
article

High-sensitivity terahertz rectification and microwave heterodyne mixing with a ZrTe2-based two-terminal rectenna

Lin Wang, Yiming Wang, Xiaozhong Wang, Xingjun Wang, Xiaoshuang Chen, Zhaowen Bao, Xiaokai Pan
article en

Abstract

Zirconium telluride (ZrTe2), a three-dimensional Dirac semimetal, combines high carrier mobility with robust environmental and structural stability, making it a suitable material for terahertz (THz) optoelectronics. Here, we report a ZrTe2-based rectenna that integrates broadband THz rectification and heterodyne mixing in a single device. The rectenna exhibits a peak responsivity of 800 V/W over the 0.02–0.32 THz range under 175 mV bias, with an ultrafast response time of 415 ns. Furthermore, it supports higher-order subharmonic mixing up to the 7th order, achieving a 10 dB intermediate frequency bandwidth exceeding 14 GHz. These results underscore the potential of ZrTe2 for compact, high-speed, and nonlinear THz signal detection and processing, with promising implications for next-generation wireless communication and sensing technologies.

APL PhotonicsVol. 10(8)
University of Shanghai for Science and Technology (CN), Xiamen University (CN), ShanghaiTech University (CN), Shenzhen Terahertz Technology Innovation Research Institute (CN), Shanghai Institute of Technical Physics (CN), University of Chinese Academy of Sciences (CN), Xiamen University of Technology (CN)
National Natural Science Foundation of China, China Postdoctoral Science Foundation, National Key Research and Development Program of China
Openalex Percentile: Top 82%
Energy Harvesting in Wireless Networks
DOIOpen Access PDFOpenAlex
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