[1] Jingshui Zhang, Lingqin Kong, Liquan Dong, et al. Terahertz CMOS transistor model and experimental analysis. Optics and Precision Engineering, 25, 3128-3136(2017).

[2] Xinyuan Liu, Haomin Zeng, Xin Tian, et al. Transmission simulation and safety analysis of terahertz radiation in skin. Optics and Precision Engineering, 29, 999-1007(2021).

[3] Zhuo Dong, Jie Chen, Yifan Zhu, et al. Room-temperature terahertz photodetectors based on black arsenic-phosphorus. Chinese Optics, 14, 182-195(2021).

[4] Xiaodong Wang, Wei Yan, Zhaofeng Li, et al. Application of planar antenna in field-effect transistor terahertz detectors. Chinese Optics, 13, 1-13(2020).

[5] Zhaoguo Liu, Huanli Zhou, Weidi He, et al. Development of terahertz detectors with low dimensional materials. Infrared and Laser Engineering, 50, 20211015(2021).

[6] Yuxuan Lian, Wei Feng, Qingfeng Ding, et al. 340 GHz wireless communication receiving front-ends based on AlGaN/GaN HEMT terahertz detectors. Infrared and Laser Engineering, 50, 20210202(2021).

[7] B Thomas, A Maestrini, G Beaudin. A low-noise fixed-tuned 300–360-GHz sub-harmonic mixer using planar Schottky diodes. IEEE Microwave and Wireless Componts Letters, 15, 865-867(2005).

[8] I Mehdi, S M Marazita, D A Humphrey, et al. Improved 240-GHz subharmonically pumped planar Schottky diode mixers for space-borne applications. IEEE Transactions on Microwave Theory and Techniques, 46, 2036-2042(1998).

[9] E Schlecht, J Gill, R Dengler, et al. A unique 520-590 GHz biased subharmonically-pumped Schottky mixer. IEEE Microwave and Wireless Components Letters, 17, 879-881(2007).

[10] Ge Liu, Bo Zhang, Lisen Zhang, et al. 0.42 THz subharmonic mixer based on 3D precisely modeled diode. J Infrared Millim Waves, 37, 338-343(2018).

[11] Haifan Hu, Ziran Zhao, Xuming Ma, et al. Reasearch on 250 GHz sub-harmonic mixer based on GaAs Schottky diodes. Infrared and Laser Engineering, 48, 0722001(2019).

[12] Ge Liu, Bo Zhang, Lisen Zhang, et al. 330 GHz GaAs monolithic integrated sub-harmonic mixer. J Infrared Millim Waves, 36, 252-256(2017).

[13] [13] VDI. Custom transmit receive systems from 50 GHz to 3 THz [EBOL]. [20220408]. https:www.vadiodes.comen.

[14] [14] Yang Xiaofan. Study on terahertz subharmonic mixer based on the planar schottky diode[D]. Chengdu: University of Electronic Science Technology of China, 2012. （in Chinese）