Nanofabrication of Gate|defined GaAs/AlGaAs Lateral Quantum Dots

Self-assembled semiconductor quantum dots decorating the facets ...

Bright GaAs quantum dot in GaAs/AlGaAs NWs. In ... GaAs NW, with a well-defined ... et al. Modeling InAs quantum-dot formation on the side surface of GaAs nanowires.

A gate defined quantum dot on the two-dimensional transition metal ...

These results shed light on obtaining smaller quantum dots on. TMDCs with the same top gate geometry, compared to traditional GaAs/AlGaAs heterostructure, for ...

Distinguishing persistent effects in an undoped GaAs/AlGaAs ...

... gate-defined quantum dot structures avoiding DX centers. ACKNOWLEDGMENTS. We thank S. Sakakihara for assistance with sample fabrication. This ...

Theoretical Study of Excitonic Complexes in GaAs/AlGaAs Quantum ...

... GaAs/AlGaAs quantum dots (QDs)... | Find ... deﬁned as. Hnml,n ... laterally coupled. InAs/GaAs quantum dots molecule,” Journal of Applied.

GaAs quantum dots under quasiuniaxial stress: Experiment and theory

The optical properties of excitons confined in initially unstrained GaAs/AlGaAs quantum dots are studied as a function of a variable ...

Engineering Heterostructures for High Fidelity Spin Qubits

Nanostructures such quantum dots fabricated on modulation-doped AlGaAs/GaAs heterostructures are widely used in spin-based approaches to quantum computing.

Surface Gated Quantum Dots in Shallow GaAs

the GaAs-AlGaAs (defined as z=0), donor ... In this chapter we present the working principles of lateral split-gate ... temperature regime of quantum dots ...

Fabrication and Shot Noise Characteristics of Ultra-Small Split-Gate ...

ultra-small lateral quantum dots based on a GaAs/AlGaAs heterostructure composed of tunable split metal gates. We evaluated two quantum dots have charging ...

Fabrication of undoped AlGaAs/GaAs electron quantum dots

The central gate is positively biased at VTG to populate the dot and the adjacent 2DEG reservoirs on either side. The remaining six gates form a pair of quantum ...

Phonon spectral density in a GaAs/AlGaAs double quantum dot

Institute of Nanotechnology ... A quantum point contact is formed on the left side ... gates and the dots is subtracted from the signal.

Thermally Activated Charge Fluctuations in GaAs Double Quantum ...

In this thesis the focus lies on lateral, gate-defined quantum dots on AlGaAs/GaAs heterostructures. These AlGaAs/GaAs heterostructures are the subject of ...

Coherence Characteristics of a GaAs Single Heavy-Hole Spin Qubit ...

... gate-defined quantum dot. Nat. Commun. 2019, 10 ... lateral GaAs/AlGaAs quantum dot. Commun. Phys ... Nano 2014, 9, 666–670. Available online: http ...

Quantum computation on gate-defined semiconductor quantum dots

(ii) Double quantum dot. A double quantum dot is also. Figure 1 (Color online) Schematic diagram of GaAs/AlGaAs lateral quantum dot. called an “artificial ...

Charge and Spin Effects in Gallium Arsenide Quantum Dots

3.2 GaAs/AlGaAs Split-Gate Device Fabrication ... charge on the quantum dot as a function of the side gate voltage. ... Hanson and A.C. Gossard,. “Few-electron ...

Quantum dot - Wikipedia

Quantum dots (QDs) or semiconductor nanocrystals are semiconductor particles a few nanometres in size with optical and electronic properties that differ ...

Electrically tunable effective g-factor of a single hole in a lateral ...

Electrically tunable effective g-factor of a single hole in a lateral GaAs/AlGaAs quantum dot. Journal Article · Fri Dec 13 00:00:00 EST 2019 · Communications ...

Luminescence from Droplet-Etched GaAs Quantum Dots at and ...

... GaAs back gate ... Lasing in GaAs/AlGaAs self-assembled quantum dots. ... Formation of Lateral Low Density In(Ga)As Quantum Dot Pairs in GaAs ...

Silicon quantum dots: fine-tuning to maturity - Internet Archive Scholar

Lateral quantum dots in Si/SiGe realized ... recently was only found in the best GaAs/AlGaAs quantum dots. ... Gate-defined quantum dots in intrinsic silicon ...

Charge Sensing and Spin Dynamics in GaAs Quantum Dots

4.1) consists of a 0.5 µm2 quantum dot and a constriction, all defined by Cr-Au depletion gates on a GaAs/AlGaAs heterostructure grown by MBE. The two ...

Phonon spectral density in a GaAs/AlGaAs double quantum dot

3Institute of Nanotechnology, Karlsruhe ... A quantum point contact is formed on the left side ... factor between gate voltages and quantum dot ...