[PDF] Top 20 Optical response of quantum dot multilayer structures
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Optical response of quantum dot multilayer structures
... study optical response of InAs/GaAs quantum dot multilayered ...the optical response of an isolated layer of embedded quantum dots has been ... See full document
5
Quantum dot structures and their optical properties of a high-indium InGaN film
... The shift was attributed to the quantum dot-like cluster size reduction through spinodal decomposition at thermal annealing.. We report the thermal annealing effects on the optic[r] ... See full document
1
Optical and structural properties of vertically stacked and electronically coupled quantum dots in InAs/GaAs multilayer structures
... evidence of gradually enhanced strain- driven intermixing in the growth ...rate of 0 ...energies of the coupled QDs throughout the multilayer ...rates of QDs could greatly suppress the ... See full document
6
Quantum control study of ultrafast optical responses in semiconductor quantum dot devices
... types of strain-reducing layers had been fabricated and ana- lyzed to demonstrate the effectiveness of the strain-reducing ...degrees of strain were revealed in the In 0.18 Ga 0.82 As layer. ... See full document
11
Optical response of layers of embedded semiconductor quantum dots
... nano-objects兲 of the embedding dielectric host medium. For InAs quantum dots with ⑀ = ...means of dielectric ellipsoids the excess polar- izability of the dot can be larger than the ... See full document
12
Magneto-optical response of layers of semiconductor quantum dots and nanorings
... Department of Electronic Engineering and Institute of Electronics, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 300, Taiwan 共Received 17 February 2005; published 30 June 2005 兲 In this paper ... See full document
12
Novel chirped multilayer quantum-dot lasers - art. no. 69970R
... the multilayer (N=10) QD lasers with 2-, 3-, amd 5-layer of longer-, medium, and shorter-wavelength QD states, ...states of different chirped-wavelength QD-stacks. Analysis of gain-current ... See full document
8
Nonlinear effects of energy band structures on optical transitions in quantum dots
... Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan b Department of Applied Mathematics, National Chiao Tung University, Hsinchu, Taiwan Abstract The quantum theory of ... See full document
4
Optical fine structures of highly quantized InGaAs/GaAs self-assembled quantum dots
... feature of Fig. 1, we calculate the FSSs for QDs of various sizes 共L y = 8 – 12 nm兲, diffusion lengths 共l D = 0 , ...the quantum size effect in the small QDs reduces the FSSs but within a narrow ... See full document
7
Improvement of optical transmittance and electrical properties for the Si quantum dot-embedded ZnO thin film
... Si quantum dot (QD)-embedded ZnO thin film is successfully fabricated on a p-type Si substrate using a ZnO/Si multilayer ...Its optical transmittance is largely improved when increasing the ... See full document
6
Super-high density Si quantum dot thin film utilizing a gradient Si-rich oxide multilayer structure
... Its optical properties clearly promise the capability of effective bandgap engineering even though these QDs are closely ...oxide] multilayer ([SiO 2 /SRO]-ML) structure owing to the better ... See full document
8
Characterization of excitonic features in self-assembled InAs/GaAs quantum dot superlattice structures via surface photovoltage spectroscopy
... properties of InAs/GaAs QDs struc- tures grown by ...states of QDs have been observed and ...to optical transitions from uncoupled dots in the bottom dot layers which are less coupled to the ... See full document
5
Theory of Polaron Resonance in Quantum Dots and Quantum-Dot Molecules
... distributions of electron and hole in a strong confining QD reduces the interaction of excitons with LO phonons [12-14], and a large level spacing decreases the strength of exciton scattering from ... See full document
11
Magneto-optics of layers of double quantum dot molecules
... generalization of the hybrid discrete-continuum ...objects of arbitrary shapes. We show that parameters of the electron and hole quantum states localized in the nano objects can be retrieved ... See full document
12
Indium aggregated quantum dot structures in InGaN compounds
... PL spectral peak variations with temperature of the three samples of different QW widths under various thermal annealing conditions are shown in Fig.. After.[r] ... See full document
4
Exciton fine structures and energy transfer in single InGaAs quantum-dot molecules
... properties of single isolated semiconductor quantum dots (QDs) have proven to be very useful for the implementation of various quantum information applications, including quantum cryp- ... See full document
4
Thermal annealing effects on the optical gain of InGaN/GaN quantum well structures
... Institute of Optical Sciences, National Central University, 32054 Chung-Li, Taiwan, ROC b Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 300, Taiwan, ROC c ... See full document
4
Optical and material studies of indium compositional fluctuations in InGaN/GaN quantum well structures
... Meanwhile, the relatively slower decay o f the integrated PL intensity, compared with other samples of lowet nominal indium eontents (not s h o w in the figure), indicat[r] ... See full document
1
Temperature dependence of quantum efficiency in Quantum Dot Infrared Photodetectors
... tion of voltage and ...trend of QE basically followed the calcu- lated tunneling ...chance of impact ionization is getting higher under such conditions and the measured gain is not fully ... See full document
4
Femtosecond pump-probe studies on carrier dynamics in InGaN/GaN quantum wells with indium aggregated quantum dot structures
... Abstract-Temperature-dependent pump-probe measurements were conducted f o r observing the process of carrier relaxation into localized states of quantum dots, which were [r] ... See full document
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