Quantum Dots for Quantum Information Processing: Controlling and Exploiting the Quantum Dot Environment

Beschreibung

This thesis offers a comprehensive introduction to surface acoustic waves in the quantum regime. It addresses two of the most significant technological challenges in developing a scalable quantum information processor based on spins in quantum dots: (i) decoherence of the electronic spin qubit due to the surrounding nuclear spin bath, and (ii) long-range spin-spin coupling between remote qubits. Electron spins confined in quantum dots (QDs) are among the leading contenders for implementing quantum information processing. To this end, the author pursues novel strategies that turn the unavoidable coupling to the solid-state environment (in particular, nuclear spins and phonons) into a valuable asset rather than a liability.

This thesis offers a comprehensive introduction to surface acoustic waves in the quantum regime. It addresses two of the most significant technological challenges in developing a scalable quantum information processor based on spins in quantum dots: (i) decoherence of the electronic spin qubit due to the surrounding nuclear spin bath, and (ii) long-range spin-spin coupling between remote qubits. Electron spins confined in quantum dots (QDs) are among the leading contenders for implementing quantum information processing. To this end, the author pursues novel strategies that turn the unavoidable coupling to the solid-state environment (in particular, nuclear spins and phonons) into a valuable asset rather than a liability.

Nominated as an outstanding PhD thesis by the Ludwig Maximilian University of Munich, Germany Offers a comprehensive introduction to surface acoustic waves in the quantum regime Exploits the coupling between quantum dots and adjacent nuclear spins to enhance the potential for quantum information processing

Autor*in

Martin J. A. Schütz

Themen in »Quantum Dots for Quantum Information Processing: Controlling and Exploiting the Quantum Dot Environment«

Quantum Computing Implementation Scalable Quantum Computing Quantum Dot Spin Qubit Long Range Electron-spin Nuclear-spin Coupling Quantum Dot Environment Hyperfine Interations Dissipative Engineering Surface Phonons

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