Results 21 to 30 of about 42,370 (298)

Performance enhanced Metal‐Semiconductor‐Metal photodetector based on double‐layer ZnO nanorods

open access: yesElectronics Letters, 2022
This study reports that photodetectors based on double‐layer ZnO nanorods grown on AZO seed layer by hydrothermal method. Compared with the photodetectors with single‐layer nanorods, the on/off ratio of the photodetectors with double‐layer ZnO nanorods ...
Lingling Chu   +4 more
doaj   +1 more source

High Photon Absorptivity of Quantum Dot Infrared Photodetectors Achieved by the Surface Plasmon Effect of Metal Nanohole Array

open access: yesNanoscale Research Letters, 2020
With the increasing demand for small-scale photodetector devices, quantum dot–based infrared photodetectors have attracted more and more attention in the past decades.
Hongmei Liu   +4 more
doaj   +1 more source

Recent Advances in High Speed Photodetectors for eSWIR/MWIR/LWIR Applications

open access: yesPhotonics, 2021
High speed photodetectors operating at a telecommunication band (from 1260 to 1625 nm) have been well studied with the development of an optical fiber communication system.
Baile Chen, Yaojiang Chen, Zhuo Deng
doaj   +1 more source

Balanced photodetectors

open access: yes, 2020
Prather, Dennis W.As telecommunication systems require greater amounts of data to be transferred, communication links and hardware must evolve to use higher frequency radio frequency waves with wavelengths on the order of a millimeter.
Linderman, Kyle
core   +1 more source

Unipolar Barrier Near-Infrared 2D Photodetectors for 3D Image Sensors. [PDF]

open access: yesAdv Sci (Weinh)
A MoTe2/WSe2/Cl–SnSe2 unipolar barrier photodetector is demonstrated, in which the WSe2 layer effectively blocks majority‐carrier injection, yielding suppressed dark current and enhanced near‐infrared (NIR) sensing. The device achieves high detectivity, a wide linear dynamic range, and fast response under 1310 nm illumination, enabling high‐fidelity 3D
Hong JP   +21 more
europepmc   +2 more sources

Two-photon quantum well infrared photodetectors below 6 THz

open access: yes, 2022
S.30-33Two-photon quantum well infrared photodetectors (QWIPs) are nonlinear detectors for the mid-infrared and terahertz regimes optimized for resonant two-photon absorption.
Schneider, H.   +3 more
core   +1 more source

Spectrally Selective Full-Color Single-Component Organic Photodetectors Based on Donor-Acceptor Conjugated Molecules

open access: yesMolecules, 2023
Photodetectors based on organic materials are attractive due to their tunable spectral response and biocompatibility, meaning that they are a promising platform for an artificial human eye. To mimic the photoelectric response of the human eye, narrowband
Artur L. Mannanov   +6 more
doaj   +1 more source

Technical Report: Comparative Analysis of Photodetectors for Appropriate Usage in Optical Communication Applications

open access: yes, 2021
Photodetectors have found useful applications in various power and electronic fields such as in microwave power amplification and fibre optic data communications. Different types of photodetectors, especially the PIN photodiodes and Avalanche photodiodes,
Obodoeze Fidelis Chukwujekwu   +1 more
core   +1 more source

Axial InN/InGaN Nanorod Array Heterojunction Photodetector with Ultrafast Speed

open access: yesAdvanced Electronic Materials, 2023
Due to wavelength‐selective characteristics, the InGaN‐based photodetectors show bright prospects in visible light communication and fast imaging system.
Jixing Chai   +7 more
doaj   +1 more source

Ultrafast photodetectors and receivers

open access: yes, 2022
S.293-344A family of ultrafast photodetectors and photoreceivers, based on evanescently coupled photodiodes, is described. The waveguide-integrated detectors are monolithically integrated with HEMTs, employing semi-insulating optical waveguides on a semi-
Bach, H.-G.
core   +1 more source

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