multiple-quantum-well active region
Stimulated Emission in AlxGa1-xAs -GaAs Single and Multiple Quantum Well Heterostructure.
... then quantum size effects (QSE) occur ...the well lead to the confined-particle transition. The quantum states of confined carriers can be observed by measuring the optical absorption of the ...
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Double-barrier Superlattice Infrared Photodetector Integrated with Multiple Quantum-Well Infrared Photodetector to Improve Performance
... Due to thick barrier of this structure, the difficult supplement of electrons from the emitter through thick barrier would result in charge supply limitation in SL layer in Detector 1. So the I-V curve of Detector 1 ...
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The Effects of Strained Multiple Quantum Well on the Chirped DFB-SOA All Optical Flip-Flop
... multi quantum well (MQW) chirped distributed feedback semiconductor optical amplifier (DFB-SOA) all-optical flip-flop is precisely ...MQW active region under an optimized condition into a ...
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Theory of terahertz intervalence band polaritons and antipolaritons
... The coupling of cavity modes with intersubband excitations generates a new type of hybrid light-matter Hamiltonian. The experimental observation of intersubband polaritons was reported for the first time with reflection ...
113
Modeling Multiple Quantum Well and Superlattice Solar Cells
... narrow region around 1% of nitrogen composition and narrow quantum well ...shallow quantum wells, where the carrier generation overcomes the re- ...the quantum wells are deeper ...
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Effect of triplet multiple quantum well structures on the performance of blue phosphorescent organic light emitting diodes
... Another way to achieve high efficiency in OLEDs is to confine excitons inside the EML using the multiple quantum well [MQW] structure [7]. Only a few reports concerning the MQW structure with good ...
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Development of mid infrared light emitting diodes to replace incandescent airfield lighting
... Another method of growing QDs is the so called submonolayer QD (SML QD). This involves depositing less material than is required to produce a single monolayer which results in the formation of islands of the dot material ...
191
Aperiodic and Asymmetric Multiple Quantum Well Photonic Devices: A Novel Transfer Matrix Based Model
... the well are different from those in the barrier as they are of different ...and well widths in the second structure are different from one ...the well and barrier widths are all unequal, the ...
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Fractional quantum Hall states in a Ge quantum well
... We have analysed the data using the model developed in [7, 19]. This assumes that localized regions or puddles of compressible regions are nucleated within the incom- pressible quantum Hall fluid. The dissipative ...
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Computing energy barriers for rare events from hybrid quantum/classical simulations through the virtual work principle
... DFT region is again a free ...QM region can be moved during a dynamical simulation, here we use the same set of QM atoms for all knots along the NEB ...
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Electron Microscopy Studies of Non Local Effects' Impact on Cathodoluminescence of Semiconductor Laser Structures
... CL spatial distribution was in previous articles somehow connected with the doping distribution or the impurity aggregation, it was related only to the local features in the close neighborhood of the pair-generation ...
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Hitting statistics from quantum jumps
... about quantum jumps for the hitting problem raises another interesting question related to the use of measurements in quantum ...in quantum optics—the jump unravellings used in our paper, and the ...
33
Observation of anomalous linear photogalvanic effect and its dependence on wavelength in undoped InGaAs/AlGaAs multiple quantum well
... Different from the ordinary LPGE due to asymmetry scat- tering on phonons, static defects, or other carriers in noncentrosymmetric media, the ALPGE is supposed to due to the optical momentum alignment effect [1,7]. This ...
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Chiroptically Active Quantum Nanostructures
... As these ZnS:Mn QDs were intended for biomedical applications they first had to be transferred into the aqueous phase. In order to do this, a ligand exchange was performed where the organic oleylamine and any residual ...
244
Research on Some New Results Arising from Multiple q-Calculus
... represented multiple q-calculus and investigated many important notions and results in the course of developing multiple q-calculus along the traditional lines of ...to multiple q-Jackson ...
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Graphene Electron States in a Quantum Well
... [5] well known in quantum ...a quantum well (which can be considered as a barrier for holes) are those corresponding just to that Klein (or “chiral”) tunneling in both ...
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Bound states in continuum: Quantum dots in a quantum well
... doped quantum rods at low temperatures for two linearly polarized directions of incident ...the well subband, but resonances are expected to start at an energy corresponding to the bottom of the first ...
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Exciton saturation dynamics and spin gratings in multiple quantum well semiconductors
... The results obtained for S51, KLB, G1273 and FK141 show a decrease in the electron spin relaxation time as the well width is reduced. The results are in good agreement with those obtained by Tackeuchi using two ...
179
Calculating Transmittivity of Photonic Multiple Quantum Well for S Polarized Incidence
... By independently varying barrier width and well width, it is found out that bandwidth of the filter can be tuned. By increasing barrier width, passband width decreases monotonically, which results in a narrow band ...
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Observation of V Defects in Multiple InGaN/GaN Quantum Well Layers
... layers are observed parallel to the {101 11} planes, as shown by arrowheads. It may be noted that these thin layers are identified on the basis of the results from HAADF-STEM images. The contrast along the main QWs in the ...
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