single InGaAs quantum dots
Long nuclear spin polarization decay times controlled by optical pumping in individual quantum dots
... a single InGaAs/ GaAs quantum dot in the regime of optically induced nuclear spin bistability in magnetic field of 1 – 3 ...similar single InGaAs dots at B ext 艋 ...
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Exciton fine-structure splitting of telecom-wavelength single quantum dots: Statistics and external strain tuning
... in single long-wavelength (1.1µm < λ < 1.3 µm) InGaAs quantum dots as a function of external uniaxial ...wavelength dots using uniaxial ...
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Dynamic nuclear polarization in InGaAs/GaAs and GaAs/AlGaAs quantum dots under nonresonant ultralow-power optical excitation
... conductor quantum dots (QDs) where quantum degrees of freedom of single charge particles and photons are ad- ...In quantum dots nuclear spins are capable of producing ef- fective ...
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Energy state of InGaAs quantum dots on SiO2 patterned vicinal substrate
... mation of SAQDs with broad FWHM as shown in Figure 1c. Figure 3b, c, d, e shows that the double peaks were occurred as (001) top area appeared. The single peak of SAQDs with large fluctuation was occurred up to ...
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Single photon emission from single InGaAs/GaAs quantum dots grown by droplet epitaxy at high substrate temperature
... demonstrated single-photon emission from single InGaAs QDs grown by droplet epi- taxy at elevated substrate ...good quantum confinement of carriers in DE-grown ...
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Resonance fluorescence from an atomic quantum memory compatible single photon source based on GaAs droplet quantum dots
... quality InGaAs quantum dots in high quality micropillar cavities, 11,36 the application of additional weak 532 nm laser light on the investigated GaAs/AlGaAs turned out to improve the QD properties ...
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On demand semiconductor source of entangled photons which simultaneously has high fidelity, efficiency, and indistinguishability
... self-assembled InGaAs quantum dots as single quantum emitters which can have near-unity quantum efficiencies [29]—a prerequisite for the criteria B—and near-transform-limited ...
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A Theoretical Evaluation of Spectral Function of Mutual Coupling of Two Semiconductor Quantum Dots via an Optical Nanocavity
... self-assembled InGaAs quantum dots strongly coupled to a single optical nanocavity ...two quantum dots exhibit markedly different DC Stark ...of single rate equation model ...
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Telecommunication Wavelength Band Single Photon Emission from Single Large InAs Quantum Dots Nucleated on Low Density Seed Quantum Dots
... longer-wavelength single- photon emission on them, which was limited by QD material ...emit single photons in a ...asymmetric InGaAs/GaAs dot- in-well (DWELL) structure [12], 30 % In-content ...
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Optical properties of as grown and annealed InAs quantum dots on InGaAs cross hatch patterns
... The dashed arrows in Figure 3a indicates that upon 30-min annealing, the bimodal distribution changes into a monomodal one. This is evident from two observa- tions. First, the change in form of Gaussian fitting - from a ...
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Decoherence and Entanglement Simulation in a Model of Quantum Neural Network Based on Quantum Dots
... artificial quantum neural network – the quantum dots. Quantum dots (QD) are small conductive regions of semiconductor heterostructures (typically less than hundred nanometers) that ...
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Combining nanoscale manipulation with macroscale relocation of single quantum dots
... We employ a simple object-classification algorithm, which identifies particles on the substrate surface based on their topo- graphic dimensions. As QDs have very specific heights and ratios of surface-area to volume, it ...
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Interplay Effect of Temperature and Excitation Intensity on the Photoluminescence Characteristics of InGaAs/GaAs Surface Quantum Dots
... the InGaAs SQDs, and therefore the carriers confined in the SQDs lack an efficient channel to transfer to other larger SQDs through thermal activation and ...
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Photonic trimming of quantum emitters via direct fabrication of metallic nanofeatures
... efficient single photon emitters are a high quality factor of the photonic cavity and a low modal spatial volume, required to minimize the emission threshold and increase the ...
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Gate-based single-shot readout of spins in silicon
... of quantum dot ...double quantum dot, it provides direct access to the electron spin qubit information[9–11, 20], since electron tunnelling between two loaded dots is restricted to the spin singlet ...
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Quadra Quantum Dots and Related Patterns of Quantum Dot Molecules: Basic Nanostructures for Quantum Dot Cellular Automata Application
... quadra quantum dots can be used as a basic cell of quantum dot cellular automata in which two electrons are localized at two quantum dots along either diagonal direction representing ...
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Valley splitting of single-electron Si MOS quantum dots
... the quantum dots, we exclude self-consistent accumulation, since the devices are experimentally tuned to the single- electron ...clear quantum dot potential, so the dot accumula- tion region ...
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Field trial of a three-state quantum key distribution scheme in the Florence metropolitan area
... essential. Quantum key distribution (QKD) allows to share data in an information-theoretical secure way, no longer based on computational assumptions but exploiting the basic principles of quantum mechan- ...
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Improved fidelity of triggered entangled photons from single quantum dots
... this quantum dot is unpolarized within experimental error, so the number of coincident photon pairs can be normalized relative to the average number of photon pairs separated by at least one cycle, which ...
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Bright Single Photon Source at 1 3 μm Based on InAs Bilayer Quantum Dot in Micropillar
... of single-photon emission at the wavelength of ...fiber-based quantum communication from InAs/GaAs bilayer quantum dots coupled with a micropillar (diameter ~3 μ m) cavity of distributed Bragg ...
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