Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"double quantum dots"”.
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Charge polarisation and excited state energy level structure of silicon isolated double quantum dots
… cm-3) n-type silicon on insulator Isolated Double Quantum Dots (IDQDs) with integrated Single Electron Transistor (SET) for charge sensing. The structures are fabricated with post oxidation island diameters of between 80 and 125nm on the same chip by means of electron beam lithography and …
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On the Dynamics of Single-Electron Tunneling in Semiconductor Quantum Dots under Microwave Radiation
… of single-electron tunneling and to realize quantum bits (qubits) in semiconductor quantum dots. At low temperatures, confined single quantum dots and double quantum dots are realized in the twodimensional electron gas (2DEG) of AlGaAs/GaAs heterostructures. For transport studies, quantum …
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Quantum Dots In Two-Dimensional Tungsten Diselenide
… work focuses on the investigation of single and double quantum dots in two-dimensional transition metal dichalcogenide tungsten diselenide (WSe_2) as a means to evaluate the valley degree of freedom as a potential qubit and ambipolar tungsten diselenide monolayers as single photon sources. …
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Classical and quantum control in nanosystems
… and demonstrate new forms of control over both quantum and classical degrees of freedom in solid-state systems. To support this claim, I present a series of theoretical discussions that demonstrate how static and/or time-varying fields can be used to control spin degrees of freedom in GaAs …
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Investigating electron transport in chemical vapor deposition graphene nanostructures
… graphene, with the purpose of understanding the quantum physics of electron transport and demonstrating the potential for nano-electronic applications. First, this thesis demonstrates a scalable approach towards encapsulating and passivating high quality CVD graphene field effect transistors …
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Periodic driving and nonreciprocity in cavity optomechanics
… a Floquet approach to solve time-periodic quantum Langevin equations in the steady state, show that two-time correlation functions of system operators can be expanded in a Fourier series, and derive a generalized Wiener-Khinchin theorem that relates the Fourier transform of the …
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Towards scalable solid-state spin qubits and quantum simulation of thermal states
… an astounding level of progress in the field of quantum computing. Rapidly-improving techniques for fabricating and controlling devices, increasingly refined theoretical models, and innovative quantum computing algorithms have allowed us to pass a number of important milestones on the path …
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Exchange and superexchange interactions in quantum dot systems
Semiconductor quantum dot systems offer a promising platform for quantum computation. And these quantum computation candidates are normally based on spin or charge properties of electrons. In these systems, we focus on quantum computation based on electron spins since these systems has good …
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Exploring Isolated Double-Quantum-Dot Detectors for Scalable Quantum Computing Architectures
… 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 retain key computational functionalities must be defined so that an array of …