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

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

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

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

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

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

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

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

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

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

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

[12] Liu Ge, Zhang Bo, Zhang Lisen, et al. 330 GHz GaAs monolithic integrated sub-harmonic mixer[J]. 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）