Global ETD Search
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Showing 1 to 4 of 4 for “"radio-frequency reflectometry"”.
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Charge dynamics in superconducting double dots
… using a dilution refrigerator. We use radio frequency reflectometry to measure quantum capacitance, which is dependent on the quantum state of the device. We measure the quantum capacitance as a function of gate voltage, and observe capacitance maxima corresponding to the Josephson …
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Investigation on High-Mobility Graphene Hexagon Boron Nitride Heterostructure Nano-Devices Using Low Temperature Scanning Probe Microscopy
… last experiment, we show the development of a radio-frequency scanning impedance microscopy compatible with the existing scanning gate microscopy and the dilution refrigerator. We detailed the design and the implementation of the radio-frequency reflectometry and the specialised tip holder for …
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Investigating electron transport in chemical vapor deposition graphene nanostructures
… of fast readout of charge and spin states, radio-frequency (RF) reflectometry technique is developed in GaAs antidots and graphene double quantum dots, corresponding to capacitive and resistive couplings to the devices respectively. This attempt paves a way for characterizing the time scale …
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Exploring Isolated Double-Quantum-Dot Detectors for Scalable Quantum Computing Architectures
With the progress made in advanced semiconductor manufacturing and in control and readout techniques, semiconductor based quantum computing has made significant progress in the past decade in both fidelities and coherence times. In view of scalability, an elementary computational unit that can …