Results 21 to 30 of about 148,101 (342)

Valley Dependent Optoelectronics from Inversion Symmetry Breaking [PDF]

open access: yes, 2008
Inversion symmetry breaking allows contrasted circular dichroism in different k-space regions, which takes the extreme form of optical selection rules for interband transitions at high symmetry points.
Di Xiao   +7 more
core   +1 more source

A Modular Sensorized Mat for Monitoring Infant Posture

open access: yesSensors, 2013
We present a novel sensorized mat for monitoring infant’s posture through the measure of pressure maps. The pressure-sensitive mat is based on an optoelectronic technology developed in the last few years at Scuola Superiore Sant’Anna: a soft silicone ...
Marco Donati   +5 more
doaj   +1 more source

High‐Transmittance and High‐Haze Composite Particle‐Free Optical Diffusers Enabled by Polymerization‐Induced Phase Separation

open access: yesAdvanced Photonics Research, 2021
Optical diffusers with combined high transmittance and high haze are desired for the light management of various optoelectronic devices. However, the fabrication of such optical diffusers is still a grand challenge, limiting the wide application of ...
Guanwei Liang   +6 more
doaj   +1 more source

Quantum-optical influences in optoelectronics - an introduction [PDF]

open access: yes, 2018
This focused review discusses the increasing importance of quantum optics in the physics and engineering of optoelectronic components. Two influences relating to cavity quantum electrodynamics are presented.
Chow, Weng W., Reitzenstein, Stephan
core   +1 more source

Nanowire Optoelectronics

open access: yesNanophotonics, 2015
Semiconductor nanowires have been used in a variety of passive and active optoelectronic devices including waveguides, photodetectors, solar cells, light-emitting diodes (LEDs), lasers, sensors, and optical antennas.
Wang Zhihuan, Nabet Bahram
doaj   +1 more source

A flexible platform for controlled optical and electrical effects in tailored plasmonic break junctions

open access: yesNanophotonics, 2020
Mechanically controllable break junctions are one suitable approach to generate atomic point contacts and ultrasmall and controllable gaps between two metal contacts.
Laible Florian   +6 more
doaj   +1 more source

Optoelectronic parametric oscillator [PDF]

open access: yesLight: Science & Applications, 2020
AbstractOscillators are one of the key elements in various applications as a signal source to generate periodic oscillations. Among them, an optical parametric oscillator (OPO) is a driven harmonic oscillator based on parametric frequency conversion in an optical cavity, which has been widely investigated as a coherent light source with an extremely ...
Tengfei Hao   +6 more
openaire   +2 more sources

Hot-injection synthesis of lead-free pseudo-alkali metal-based perovskite (TlSnX3) nanoparticles with tunable optical properties

open access: yesFrontiers in Materials, 2023
The commercialization of organo-inorganic hybrid perovskite materials for optoelectronic applications is limited owing to the restriction of lead (Pb) usage in consumer electronics and the instability of organic cations in the perovskite structure.
Wooyeon Kim   +3 more
doaj   +1 more source

Synthesis and Applications of Halide Perovskite Nanocrystals in Optoelectronics

open access: yesInorganics, 2023
The perovskites used for optoelectronic devices have been more attractive during recent years due to their wide variety of advantages, such as their low cost, high photoluminescence quantum yield (PLQY), high carrier mobility, flexible bandgap tunability,
Yen Po Wang   +3 more
doaj   +1 more source

Optical Birefringence Fiber Temperature Sensors in the Visible Spectrum of Light [PDF]

open access: yes, 2017
This article describes experimental tests to determine PM fibers Panda style responses to a thermal source with different initial temperature. The aim of this study was to determine the sensitivity of a polarization maintaining fiber to the radiating
Dvořák, Filip   +3 more
core   +1 more source

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