Arrayed terahertz vector measurement system based on AlGaN/GaN HEMT heterodyne mixer

Kaichu WANG; Qingfeng DING; Qi ZHOU; Xinhang CAI; Jinfeng ZHANG; Kaiqiang ZHU; Zhenjun ZHAI; Houjun SUN; Linjun WANG; Hua QIN

doi:10.3788/IRLA20240088

Journals >Infrared and Laser Engineering >Volume 53 >Issue 6 >Page 20240088 > Article

Infrared and Laser Engineering
Vol. 53, Issue 6, 20240088 (2024)

Arrayed terahertz vector measurement system based on AlGaN/GaN HEMT heterodyne mixer

Kaichu WANG^1,2, Qingfeng DING^2,3, Qi ZHOU^2,4, Xinhang CAI^2,4..., Jinfeng ZHANG², Kaiqiang ZHU⁵, Zhenjun ZHAI⁵, Houjun SUN⁵, Linjun WANG¹ and Hua QIN²|Show fewer author(s)

Author Affiliations

¹School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China

²Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China

³School of Physical Science and Technology, Shanghai Tech University, Shanghai 201210, China

⁴School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China

⁵School of Integrated Circuits and Electronics, Beijing Institute of Technology, Beijing 100081, China

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DOI: 10.3788/IRLA20240088 Cite this Article

Kaichu WANG, Qingfeng DING, Qi ZHOU, Xinhang CAI, Jinfeng ZHANG, Kaiqiang ZHU, Zhenjun ZHAI, Houjun SUN, Linjun WANG, Hua QIN. Arrayed terahertz vector measurement system based on AlGaN/GaN HEMT heterodyne mixer[J]. Infrared and Laser Engineering, 2024, 53(6): 20240088 Copy Citation Text

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243 GHz AlGaN/GaN HEMT terahertz array components. (a)-(c) Physical image; (d) Equivalent circuit; (e) Test device of NEP; (f) NEP of IF signal as a function of Vg (channel 2); (g) NEP list; (h) Test device of antenna far-field directional response; (i) Power as a function of angle (channel 2)

Fig. 1. 243 GHz AlGaN/GaN HEMT terahertz array components. (a)-(c) Physical image; (d) Equivalent circuit; (e) Test device of NEP; (f) NEP of IF signal as a function of V_g(channel 2); (g) NEP list; (h) Test device of antenna far-field directional response; (i) Power as a function of angle (channel 2)

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