搜索结果: 1-10 共查到“光学 Efficiency”相关记录10条 . 查询时间(0.187 秒)
'Lossless' metamaterial could boost efficiency of lasers and other light-based devices
Lossless metamaterial lasers other light-based devices
2017/3/14
Engineers at the University of California San Diego have developed a material that could reduce signal losses in photonic devices. The advance has the potential to boost the efficiency of various ligh...
Photon-induced carrier transport in high efficiency midinfrared quantum cascade lasers
Photon-induced carrier transport midinfrared quantum cascade lasers Optics
2011/8/18
Abstract: A midinfrared quantum cascade laser with high wall-plug efficiency is analyzed by means of an ensemble Monte Carlo method. Both the carrier transport and the cavity field dynamics are includ...
Influences of excitation-dependent bandstructure changes on InGaN light-emitting diode efficiency
excitation-dependent bandstructure InGaN light-emitting diode efficiency Mesoscale and Nanoscale Physics
2011/8/2
Abstract: Bandstructure properties in wurtzite quantum wells can change appreciably with changing carrier density because of screening of quantum-confined Stark effect. An approach for incorporating t...
99% efficiency in collecting photons from a single emitter
collecting photons a single emitter
2011/9/14
In Nature Photonics 5, 166 (2011), we reported on a planar dielectric antenna that achieved 96% efficiency in collecting the photons emitted by a single molecule. In that work the transition dipole mo...
Intense Internal and External Fluorescence as Solar Cells Approach the Shockley-Queisser Efficiency Limit
Shockley-Queisser Solar Cells
2011/8/31
Absorbed sunlight in a solar cell produces electrons and holes. But, at the open circuit condition, the carriers have no place to go. They build up in density and, ideally, they emit external fluoresc...
High efficiency tomographic reconstruction of quantum states by quantum nondemolition measurements
High efficiency tomographic reconstruction of quantum states quantum nondemolition measurements
2010/10/20
We propose a high efficiency tomographic scheme to reconstruct an unknown quantum state of the qubits by using a series of quantum nondemolition (QND) measurements. The proposed QND measurements of th...
A planar dielectric antenna for directional single-photon emission and near-unity collection efficiency
planar dielectric antenna directional single-photon emission near-unity collection efficiency
2010/10/20
Single emitters have been considered as sources of single photons in various contexts such as cryptography, quantum computation, spectroscopy, and metrology1,2,3. The success of these applications wil...
Red top-emitting organic light-emitting device with improved efficiency and saturated color
TEOLEDs Microcavity Optical simulation Spectra shift
2013/7/3
In this work, characteristics of microcavity top-emitting red organic light-emitting device (TEROLED) having metallic electrodes had been examined. The TEOLED shows the higher efficiency in comparison...
Study of the photon identification efficiency with ALICE photon spectrometer
ALICE experimental simulation photon detection identification efficiency detector edge effect and photon conversion
2009/8/14
The efficiency for the detection and identification of photons with the ALICE PHOton Spectrometer PHOS has been studied with the Monte-Carlo generated data. In particular, the influence on the efficie...
Effects of the Back Reflector on the Optical Enhancement Factor and Quantum Efficiency of a-Si:H p-i-n Solar Cells
amorphous (a-) Si:H p-i-n solar cells back reflectors light trapping quantum efficiency
2010/4/13
The effect of tin oxide (SnO2) texture and back reflector (BR) on optical enhancement factor has been extensively investigated in a series of 4 a-Si:H p-i-n solar cells. The internal quantum efficienc...