High-performance, polarization-sensitive, long-wave infrared photodetection via photothermoelectric effect with asymmetric van der Waals contacts

• Main Authors: Dai, Mingjin, Wang, Chongwu, Ye, Ming, Zhu, Song, Han, Song, Sun, Fangyuan, Chen, Wenduo, Jin, Yuhao, Chua, Yunda, Wang, Qi Jie
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2022
• Subjects: Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics; Engineering::Nanotechnology; Asymmetric Contacts; Long-Wavelength Infrared; Photothermoelectric Effect; Self-Powered Photodetection; Polarization Sensitive
• Online Access: https://hdl.handle.net/10356/155555
• Institution: Nanyang Technological University

Long-wavelength infrared (LWIR) photodetection is important for heat-seeking technologies, such as thermal imaging, all-weather surveillance, and missile guidance. Among various detection techniques, photothermoelectric (PTE) detectors are promising in that they can realize ultra-broadband photodete...