Infrared photodetectors have been used extensively in biomedical, surveillance, communication and astronomy. However, state of the art technology based on III-V and II-VI compounds still lacks excellent performance for high-temperature operation. Surface plasmon polaritons (SPPs) have demonstrated their capability in improving the light detection from visible to infrared wave range due to their light confinement subwavelength scale. Advanced fabrication techniques such as electron-beam lithography (EBL) and focused ion-beam (FIB), and commercially available numerical design tool like Finite-Difference Time-Domain (FDTD) have enabled rapid development of surface plasmon (SP) enhanced photodetectors. In this review article, the basic mechanisms behind the SP-enhanced photodetection, the different type of plasmonic nanostructures utilized for enhancement, and the reported SP-enhanced infrared photodetectors will be discussed.
Surface plasmon enhanced infrared photodetection
First published at:Dec 30, 2018
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A*STAR (Grant No. 1720700038 and SERC A1883c0002), the Ministry of Education (RG177/17), Singapore; and Asian Office of Aerospace Research and Development (FA2386-17-1-0039)
Get Citation: Tong J C, Suo F, Ma J H Z, Tobing L Y M, Qian L et al. Surface plasmon enhanced infrared photodetection. Opto-Electronic Advances 2, 180026 (2019).
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