Results 31 to 40 of about 272,034 (235)
IEEE Journal of the Electron Devices Society, 2019 We present a comprehensive analysis of practical p-n-p Ge/Ge1-xSnx/Ge heterojunction phototransistors (HPTs) for design optimization for efficient infrared detection.
Ankit Kumar Pandey +3 more
doaj +1 more source
Advanced Science, 2023 The photopyroelectric effect in ferroelectrics has shown great potential for application in infrared detection and imaging. One particular subclass is broadband with dielectric bistability, which allows for large pyroelectric figures‐of‐merit (FOMs ...
Lina Hua +8 more
doaj +1 more source
Experimental study of the spatial distribution of quantum correlations in a confocal Optical Parametric Oscillator [PDF]
, 2002 We study experimentally the spatial distribution of quantum noise in the twin beams produced by a type II Optical Parametric Oscillator operating in a confocal cavity above threshold.
Ducci, Sara +5 more
core +3 more sources
Ultrafast and highly sensitive infrared photodetectors based on two-dimensional oxyselenide crystals
Nature Communications, 2018 Two-dimensional (2D) bismuth oxyselenide crystals with suitable electronic band-gap and ultrahigh carrier mobility enable near-infrared photodetection.
Jianbo Yin +13 more
doaj +1 more source
Limiting efficiencies of solar energy conversion and photo-detection via internal emission of hot electrons and hot holes in gold [PDF]
, 2015 We evaluate the limiting efficiency of full and partial solar spectrum harvesting via the process of internal photoemission in Au-semiconductor Schottky junctions.
Boriskina, Svetlana V. +4 more
core +2 more sources
Near-infrared photodetection in nanocarbon materials
, 2023 The conversion of light into electricity is at the heart of solar cells and photodetectors and in other optoelectronic devices used in telecommunication systems. In particular, near-infrared (NIR) photodetection is very relevant for applications in night vision, remote sensing, food inspection, and surveillance.
openaire +2 more sources
Enhanced photoelectric and photothermal responses on silicon platform by plasmonic absorber and omni-schottky junction [PDF]
, 2017 Recent progresses in plasmon-induced hot electrons open up the possibility to achieve photon harvesting beyond the fundamental limit imposed by band-to-band transitions in semiconductors.
Abb +47 more
core +1 more source
MoS2-HgTe Quantum Dot Hybrid Photodetectors beyond 2 μm [PDF]
, 2017 Mercury telluride (HgTe) colloidal quantum dots (CQDs) have been developed as promising materials for the short and mid-wave infrared photodetection applications because of their low cost, solution processing and size tunable absorption in the short wave-
Barkhouse +37 more
core +4 more sources
Graphene Gold Nanoparticle Hybrid Based Near Infrared Photodetector [PDF]
, 2017 This paper presents novel and simplistic approach towards the development of graphene based near infrared (NIR) photodetectors. The developed device comprises of Au nanoparticles integrated within the channel of the back-gated graphene field effect ...
Dahiya, R. +4 more
core +1 more source
Optical surfaces for mid-infrared sensing [PDF]
, 2018 The mid-infrared (mid-IR) spectral region, with wavelengths between 3 and 15 µm, is known for a wide range of applications ranging from spectroscopic sensing to thermal imaging.
Gopalan, Kavitha Kalavoor
core +4 more sources