Journal of Infrared and Millimeter Waves, Volume. 41, Issue 4, 721(2022)
Terahertz photodetector based on two-dimensional tellurene
Fig. 1. (a)Crystal structure diagram of tellurene,(b)Schematic diagram of tellurene -based terahertz detector and optical field distribution at the channel
Fig. 2. (a)The transmission characteristic curve of the device,(b)Photocurrent curve at 0.02∼0.04 THz frequency,(c)Photocurrent curve at 0.08∼0.12 THz frequency,(d)The bias voltage dependence of photocurrent,(e)Photocurrent curve with different incident power densities,(f)The power dependence of photocurrent under different bias voltages.
Fig. 3. (a)The photoresponse waveform of the photocurrent under 0.04THz radiation,(b)The change of the photocurrent with the modulation frequency,(c)The response time of the device,(d)The waveform diagram of the device under different bias voltages.
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Wen-Chao HUANG, Kai-Xuan ZHANG, Yun-Xia LI, Lin WANG. Terahertz photodetector based on two-dimensional tellurene[J]. Journal of Infrared and Millimeter Waves, 2022, 41(4): 721
Category: Research Articles
Received: Nov. 12, 2021
Accepted: --
Published Online: Dec. 13, 2022
The Author Email: Lin WANG (wanglin@mail.sitp.ac.cn)