Results 11 to 20 of about 79,037 (227)

Electromechanically reconfigurable plasmonic photodetector with a distinct shift in resonant wavelength

open access: yesMicrosystems & Nanoengineering, 2023
Plasmonic photodetectors have received increasing attention because their detection properties can be designed by tailoring their metal structures on surfaces without using any additional components.
Masaaki Oshita, Shiro Saito, Tetsuo Kan
doaj   +1 more source

All-optical pulse processing for advanced photonic communication system [PDF]

open access: yes, 2008
This paper investigates the use of a two-photon absorption photodetector for high speed processing of ultrashort optical pulses in advanced photonic communication systems. Specifically the paper describes how the two-photon absorption photodetector maybe
Barry, Liam P.   +9 more
core   +1 more source

Ultraviolet Photodetector Based on Poly(3,4-Ethylenedioxyselenophene)/ZnO Core–Shell Nanorods p-n Heterojunction

open access: yesNanoscale Research Letters, 2022
In this work, we successfully assembled an organic–inorganic core–shell hybrid p-n heterojunction ultraviolet photodetector by the electropolymerization deposition of poly(3,4-ethylenedioxyselenophene) (PEDOS) on the surface of zinc oxide nanoarrays (ZnO
Aygul Kadir   +7 more
doaj   +1 more source

Recent advances in two-dimensional graphitic carbon nitride based photodetectors

open access: yesMaterials & Design, 2023
Graphitic carbon nitride (g-C3N4) is a kind of low cost and environment-friendly 2D polymer semiconductor that exhibits a tunable band gap, high thermal stability, intriguing optoelectronic properties and broad device applications.
Xiwei Zhang   +7 more
doaj   +1 more source

High-Speed Response Si PIN Photodetector Fabricated and Studied for Visible and Near Infrared Spectral Detection [PDF]

open access: yesEngineering and Technology Journal, 2008
In the present work , PIN photodetector has been fabricated by vacuum evaporationtechnique, Al was evaporated on top side of an intrinsic – type silicon and In was evaporatedon down side and doped for each sides of an intrinsic silicon with thermal ...
Khalid Z. Yahiya
doaj   +1 more source

Self-driven WSe2 photodetectors enabled with asymmetrical van der Waals contact interfaces

open access: yesnpj 2D Materials and Applications, 2020
Self-driven photodetectors that can detect light without any external voltage bias are important for low-power applications, including future internet of things, wearable electronics, and flexible electronics. While two-dimensional (2D) materials exhibit
Changjian Zhou   +6 more
doaj   +1 more source

Carbon Nanodots as a Potential Transport Layer for Boosting Performance of All-Inorganic Perovskite Nanocrystals-Based Photodetector

open access: yesCrystals, 2021
A low-cost and simple drop-casting method was used to fabricate a carbon nanodot (C-dot)/all-inorganic perovskite (CsPbBr3) nanosheet bilayer heterojunction photodetector on a SiO2/Si substrate.
Hassan Algadi   +4 more
doaj   +1 more source

InGaAs PIN photodetectors integrated on silicon-on-insulator waveguides [PDF]

open access: yes, 2010
InGaAs PIN photodetectors heterogeneously integrated on silicon-on-insulator waveguides are fabricated and characterized. Efficient evanescent coupling between silicon-on-insulator waveguides and InGaAs photodetectors is achieved.
Brouckaert, Joost   +4 more
core   +1 more source

Precise calibration of LIGO test mass actuators using photon radiation pressure [PDF]

open access: yes, 2009
Precise calibration of kilometer-scale interferometric gravitational wave detectors is crucial for source localization and waveform reconstruction. A technique that uses the radiation pressure of a power-modulated auxiliary laser to induce calibrated ...
Erickson, S.   +11 more
core   +2 more sources

Investigation of the Characteristics of a Photodetector with a High Photocurrent when Transmitting Microwave Radio Signals Through an Optical Fiber

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2020
Introduction. At present, an optical transmission of a microwave signal is of great scientific and practical interest. Moreover, this transmission line can also be used to create microwave photonic devices.
I. Yu. Tatsenko   +3 more
doaj   +1 more source

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