Quantum Dot Reflective Semiconductor Optical Amplifiers: Optical Pumping Compared with Electrical Pumping [PDF]
A comprehensive study has been conducted on quantum dot reflective semiconductor optical amplifiers (QD-RSOAs) with optical pumps (OPs). Moreover, few studies have been completed on OP-based QD-RSOAs.
Farshad Serat Nahaei +2 more
doaj +3 more sources
Electrical Pumping of Perovskite Diodes: Toward Stimulated Emission [PDF]
The success of metal halide perovskites in photovoltaic and light‐emitting diodes (LEDs) motivates their application as a solid‐state thin‐film laser. Various perovskites have shown optically pumped stimulated emission of lasing and amplified spontaneous
Changsoon Cho +8 more
doaj +3 more sources
Quasi-2D lead halide perovskite gain materials toward electrical pumping laser
Quasi two-dimensional (2D) lead halide perovskite materials have shown outstanding performance in various photoelectric devices, including perovskite light-emitting diodes (LEDs) and perovskite optical pumping lasers.
Zhao Chenyang, Qin Chuanjiang
doaj +2 more sources
Ultrabright single-photon source on diamond with electrical pumping at room and high temperatures [PDF]
The recently demonstrated electroluminescence of color centers in diamond makes them one of the best candidates for room temperature single-photon sources.
D Yu Fedyanin, M Agio
doaj +2 more sources
Development and exploitation features of methane-coal wells using downhole pumping equipment [PDF]
In this article extraction of methane from coal beds is presented. The article presents results of the study of downhole pumping equipment used in the exploitation of coal bed methane wells.
Kurganova Elena +2 more
doaj +2 more sources
A fault diagnosis model for pumping units based on small sample electric parameters [PDF]
In the field of modern petroleum industry, fault diagnosis and classification of pumping units are among the most crucial research topics. The conventional diagnostic method involves installing sensors on the pumping unit to analyze the dynamometer cards(
Chunhua Yuan, Zhupei Liao, Xiangyu Li
doaj +2 more sources
Review on Solar Photovoltaic-Powered Pumping Systems
Water and energy are becoming more and more important in agriculture, urban areas and for the growing population worldwide, particularly in developing countries.
Levon Gevorkov +2 more
doaj +2 more sources
In-depth description of Electrohydrodynamic conduction pumping of dielectric liquids: physical model and regime analysis [PDF]
In this work, we discuss the fundamental aspects of Electrohydrodynamic (EHD) conduction pumping of dielectric liquids. We build a mathematical model of conduction pumping that can be applied to all sizes, down to microsized pumps.
Abramowitz M. +18 more
core +4 more sources
Electrical detection of spin pumping due to the precessing magnetization of a single ferromagnet [PDF]
We report direct electrical detection of spin pumping, using a lateral normal metal/ferromagnet/normal metal device, where a single ferromagnet in ferromagnetic resonance pumps spin polarized electrons into the normal metal, resulting in spin ...
B. J. van Wees +7 more
core +5 more sources
Irrigation reduces crop vulnerability to drought and heat stress and thus is a promising climate change adaptation strategy. However, irrigation also produces greenhouse gas emissions through pump energy use.
Avery W. Driscoll +4 more
doaj +2 more sources

