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 11 of 11 for “"Spin defects"”.
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Exploring quantum geometry and quantum sensing with spin defects in diamond
… Among the many physical platforms, solid-state spin defects, such as nitrogen-vacancy (NV) center in diamond, have attracted a lot of attentions thanks to their good controllability and long coherence time even at room temperature. In this thesis, we present our efforts in demonstrating …
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Quantum sensing and simulation with solid-state defects
Solid-state spin defects have garnered significant interest in recent years due to their potential for various quantum applications, ranging from sensing, simulation to communications. Despite the fast progress of the field in the past decades, numerous challenges remain before these applications …
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Interactive Spin Dynamics in Magnon and Quantum Spin Systems
Spintronics utilizes the intrinsic spin of electrons to design next-generation electronic devices, reducing power consumption and enabling innovative computing functions. Over the past decades, significant research interest has been directed toward two types of spin-based systems: collective …
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Developing Small-scale Quantum Information Processors based on Electronic Spins in Diamond
Isolated optically-active solid-state spins such as the Nitrogen-Vacancy (NV) center in diamond have demonstrated good properties as qubits for quantum information tasks. However, engineering larger quantum registers around a central NV enables more powerful applications. For example, a register of …
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Scaling up a quantum register of dark electronic spins in diamond
Electronic spin defects in the environment of an optically-active spin can be used to increase the size and hence the performance of solid-state quantum registers, especially for applications in quantum metrology and quantum communication. Previous works on multi-qubit electronic-spin registers in …
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Coherent control of dipolar coupled spins in large Hilbert spaces
Controlling the dynamics of a dipolar-coupled spin system is critical to the development of solid-state spin-based quantum information processors. Such control remains challenging, as every spin is coupled to a large number of surrounding spins. In this thesis, we primarily focus on developing …
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On the design of single electron transistors for the measurement of spins in phosphorus doped silicon
Phosphorus doped silicon is a prime candidate for spin based qubits. We plan to investigate a novel hybrid technique that combines the advantages of spin selective optical excitations with that of electrical readout measurements to detect spin defects in semiconductors. In this thesis, I present my …
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Dynamic and geometric control of electronic spins in diamond for quantum sensing and quantum information science
… (NV) color center in diamond, electronic spin defects embedded in a solid-state system, has emerged as a promising platform for quantum sensing and quantum information science in ambient temperature. Its capability of robust but high-precision spin control allows the NV center to be not …
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Visible Emitters in Hexagonal Boron Nitride as an Optically Addressable Spin Qubit Platform
Optically active spins in solid-state systems serve as excellent spin-photon interfaces, a crucial building block for quantum technologies such as information networks and sensing. This thesis presents a new spin qubit platform: visible emitters embedded in epitaxially grown hexagonal boron nitride …
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Vector magnetometry using cavity-enhanced microwave readout of solid-state spin sensors
… challenge for devices based on solid-state spin defects, particularly given their rapid adoption in quantum sensing, quantum information, and tests of fundamental physics. However, in spite of experimental progress in specific systems, solid-state spin sensors still lack a universal …