Palladium Diselenide Long-Wavelength Infrared Photodetector with High Sensitivity and Stability.
Sign Up to like & getrecommendations! Published in 2019 at "ACS nano"
DOI: 10.1021/acsnano.8b09476
Abstract: A long-wavelength infrared photodetector based on two-dimensional materials working at room temperature would have wide applications in many aspects in remote sensing, thermal imaging, biomedical optics, and medical imaging. However, sub-bandgap light detection in graphene… read more here.
Keywords: long wavelength; wavelength infrared; diselenide long; infrared photodetector ... See more keywords
A tellurium short-wave infrared photodetector with fast response and high specific detectivity.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d2nr02822k
Abstract: Two-dimensional (2D) elementary tellurium (Te) has attracted intensive attention due to its potential applications in short-wave infrared photodetector devices. Here, we report hydrothermally synthesized 2D Te nanoflakes for short-wave infrared photodetectors with high performance. A… read more here.
Keywords: infrared photodetector; short wave; high specific; specific detectivity ... See more keywords
Strongly polarized quantum well infrared photodetector with metallic cavity for narrowband wavelength selective detection
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0002012
Abstract: A quantum well-integrated metallic microcavity infrared photodetector is designed and fabricated to achieve highly polarized narrowband wavelength selective detection. Linear grooves are etched on top of the mesa and then the whole device is completely… read more here.
Keywords: selective detection; wavelength selective; infrared photodetector; quantum well ... See more keywords
Multilayer α′-4H-borophene growth on gallium arsenide towards high-performance near-infrared photodetector
Sign Up to like & getrecommendations! Published in 2023 at "Nanotechnology"
DOI: 10.1088/1361-6528/acba1e
Abstract: Multilayer borophene was predicted to have a similar semiconductor property to its monolayer arise from the weak van der Waals interactions between the layers. Besides, multilayer borophene has a higher carrier mobility than monolayer ones,… read more here.
Keywords: borophene; infrared photodetector; near infrared; multilayer borophene ... See more keywords
Plasmonic mid-infrared photodetector with narrow trenches for reconstructive spectroscopy.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.458896
Abstract: Reconstructive spectroscopy in the mid-infrared (MIR) range is an attractive method for miniaturizing MIR spectrometers. Although detectors with a sharp responsivity spectrum and a high dynamic range are required, there remains room for improvement. This… read more here.
Keywords: reconstructive spectroscopy; mid infrared; infrared photodetector; spectroscopy ... See more keywords
Dual color infrared photodetector with superconducting metamaterials.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.483823
Abstract: Superconducting photodetection offers a wide spectral coverage ranging from the microwave to X-ray, and in the short wavelength range, single photon sensitivity can be achieved. However, in the longer wavelength infrared region, the system detection… read more here.
Keywords: color infrared; infrared photodetector; color; dual color ... See more keywords
Narrowband HgCdTe infrared photodetector with integrated plasmonic structure.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.486788
Abstract: The application of plasmonic structure has been demonstrated to improve the performance of infrared photodetectors. However, the successful experimental realization of the incorporation of such optical engineering structure into HgCdTe-based photodetectors has rarely been reported.… read more here.
Keywords: structure; photodetector integrated; infrared photodetector; hgcdte infrared ... See more keywords
Uncooled Si infrared photodetector for 2 μm wavelength using stimulated emission by dressed photons
Sign Up to like & getrecommendations! Published in 2022 at "Applied Physics Express"
DOI: 10.35848/1882-0786/ac5edc
Abstract: A Si infrared photodetector that operates without requiring to be cooled was fabricated, and its properties were evaluated. The function of this device is to detect, as an electrical signal, carrier density changes due to… read more here.
Keywords: dressed photons; wavelength; infrared photodetector; stimulated emission ... See more keywords
InAs/InGaAs/InAlAs interband quantum well infrared photodetector (IQWIP) with cut-off response wavelength at 1.93 μm
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Express"
DOI: 10.7567/1882-0786/ab017f
Abstract: Utilizing the high efficiency of the localized carrier extraction in the low-dimensional semiconductors within a PN junction, an InP-based InAs/InGaAs/InAlAs interband quantum well infrared photodetector has been investigated. Although the thermal energy is much less… read more here.
Keywords: photodetector; inalas interband; ingaas inalas; inas ingaas ... See more keywords
Ge-based triple-band infrared photodetector
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Express"
DOI: 10.7567/apex.11.114102
Abstract: A triple-band infrared photodetector is developed by doping sulfur into germanium. The photocurrent spectrum at 20 K shows that there are three response bands at about 1.4, 1.6, and 6.5 µm, indicating the realization of… read more here.
Keywords: based triple; band infrared; band; infrared photodetector ... See more keywords