Zhen-Zhen ZHANG, Zhang-Long FU, Chang WANG, Jun-Cheng CAO. Research on terahertz quantum well photodetector[J]. Journal of Infrared and Millimeter Waves, 2022, 41(1): 2021374
- Journal of Infrared and Millimeter Waves
- Vol. 41, Issue 1, 2021374 (2022)
Fig. 1. The band profile schematic of THz QWPs，（a）without bias.（b）with illumination and bias［27］
Fig. 2. Two common coupling methods of THz QWP，（a）45° facet coupled THz QWP，（b）metal-grating coupled THz QWP
Fig. 3. The patch antenna array coupled THz QWP，（a）SEM photo of the detector，（b）responsivity peak vs voltage for the 45° mesa and the cavity array detectors［39］
Fig. 4. Plasmonic lens enhanced mid-infrared quantum cascade detector，（a）the schematic diagram of the detector，（b）the electric field at the grating and coupling to the detector active zone，（c）device with circular design，（d）device with star shape design ［40］
Fig. 5. The imaging system of THz CT，（a）the schematic diagram and（b）the imaging results ［48］
Fig. 6. The schematic diagram of the fast THz reflective scanning imaging system，（a）the detection method of the imaging system，（b）imaging results of the covered leaf，（c）imaging results of the covered razor blade［49］
Fig. 7. Frequency up-conversion THz QWP-LED，（a）the schematic of the 45° facet coupled THz QWP-LED，（b）imaging results of THz QWP-LED［50］
Fig. 8. THz wireless communication transmission system based on THz QCL and THz QWP［53］
Fig. 9. Sub-wavelength THz array detectors based on 3D ring antennas，（a）the schematic of the device unit cell，（b）the equivalent circuit of the device unit cell，（c）the micrographs of the THz array detectors ［53］
|
Table 1. The parameters of several typical THz QWPs in the last decade
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20