Results 21 to 30 of about 39,529 (311)

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

Crystals, 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, Ahmad Umar, Hasan Albargi, Turki Alsuwian, Sotirios Baskoutas   +4 more
doaj   +1 more source

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

Известия 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, T. K. Legkova, A. V. Ivanov, A. B. Ustinov   +3 more
doaj   +1 more source

Strong Anisotropy of Multilayer γ‐InSe‐Enabled Polarization Division Multiplexing Photodetection

Advanced Photonics Research, 2022
Polarized light detection is consequential for optical communication and polarized light imaging. InSe is considered a promising candidate for narrow‐bandgap photodetector. However, monolayer γ‐InSe is an indirect bandgap semiconductor and is ignored for
Xusheng Wang, Bo Wen, Siyan Gao, Xiaolin Li, Zezhou Lin, Luping Du, Xi Zhang   +6 more
doaj   +1 more source

High-Performance Deep Ultraviolet Photodetector Based on NiO/β-Ga2O3 Heterojunction

Nanoscale Research Letters, 2020
Ultraviolet (UV) photodetector has attracted extensive interests due to its wide-ranging applications from defense technology to optical communications.
Menghan Jia, Fang Wang, Libin Tang, Jinzhong Xiang, Kar Seng Teng, Shu Ping Lau   +5 more
doaj   +1 more source

Self-Driven Photo-Polarized Water Molecule-Triggered Graphene-Based Photodetector

Research, 2023
Flowing water can be used as an energy source for generators, providing a major part of the energy for daily life. However, water is rarely used for information or electronic devices.
Shisheng Lin, Chang Liu, Xin Chen, Yi Zhang, Hongtao Lin, Xutao Yu, Yujiao Bo, Yanghua Lu   +7 more
doaj   +1 more source

Ultrasensitive flexible broadband photodetectors achieving pA scale dark current

npj Flexible Electronics, 2017
Semiconductor physics: Energy saving flexible broadband hybrid photodetector Energy efficient and flexible alternative photodetector that detects both visible and invisible light comes closer to real life than ever.
Xiao Luo, Feiyu Zhao, Lili Du, Wenli Lv, Kun Xu, Yingquan Peng, Ying Wang, Feiping Lu   +7 more
doaj   +1 more source

Research on Germanium Photodetector with Multi-Mode Waveguide Input

Photonics, 2023
In this work, a vertical N-I-P germanium (Ge) photodetector (PD) with a multi-mode waveguide input is presented. The fabricated devices exhibit a low dark current of 10 nA at bias of −1 V, and a high responsivity of exceeding 0.75 A/W over the wavelength
Longsheng Wu, Dongsheng Lv, Nengyang Zhao, Ruxue Wang, Aimin Wu   +4 more
doaj   +1 more source

Optimization of the optical scheme of a photodetector module operating in the spectral range of 1.3–1.6 μm

Научно-технический вестник информационных технологий, механики и оптики
Optical system consisting of single-mode optical fiber and p-i-n photodiode semiconductor chip with InGaAs active layer was investigated. Considered photodetector module has responsivity in 1.3–1.6 µm.
Ya. N. Kovach, V. V. Andryushkin, E. S. Kolodeznyi, I. I. Novikov, A. A. Petrenko, A. V. Kamarchuk, S. S. Rochas, D. A. Bauman   +7 more
doaj   +1 more source

Ultra-broadband photodetection based on two-dimensional layered Ta2NiSe5 with strong anisotropy and high responsivity

Materials & Design, 2021
Broadband photodetectors have attracted substantial attention in recent years. The ternary chalcogenide Ta2NiSe5 is a layered material with a direct narrow-band gap (Eg ~ 0.33 eV) which possesses greatly potential to broadband photodetectors.
Yan Zhang, Wenzhi Yu, Jie Li, Jie Chen, Zhuo Dong, Liu Xie, Chang Li, Xinyao Shi, Wanlong Guo, Shenghuang Lin, Sudha Mokkapati, Kai Zhang   +11 more
doaj   +1 more source

A Silicon Electromechanical Photodetector [PDF]

Nano Letters, 2013
Opto-mechanical systems have enabled wide-band optical frequency conversion and multi-channel all-optical radio frequency amplification. Realization of an on-chip silicon communication platform is limited by photodetectors needed to convert optical information to electrical signals for further signal processing.
Tallur, Siddharth, Bhave, Sunil A.
openaire   +3 more sources