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 20 of 29 for “"NV Centers"”.
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Nanodiamonds for biological applications: Synthesis by laser ablation and sensing of local magnetic environment by optical spectroscopy of NV centers
Nanodiamonds (NDs) are the subject of intense investigation for their unique physical and chemical properties. Due to high hardness, optical transparency and biocompatibility, NDs find applications in tribology, catalysis and drug delivery. When enriched with nitrogen-vacancy (NV) centers, NDs can …
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Optical and spin properties of nitrogen vacancy centers in bulk and nanocrystalline diamond
The NV center is becoming a very hot topic in many areas of science, including, Physics, Chemistry, Biology, and Quantum Information. The Degen group has focused on a specific application of the NV center, namely scanning magnetometry. In my time in the group, I focused on building a microscope and …
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Solid-state spin-integrated circuits for quantum sensing and control
… platform. In particular, atomic defect centers in diamond called nitrogen-vacancy (NV) centers offer impressive room temperature imaging capabilities for both magnetic fields and temperature. NV-based sensing platforms have found utility in solid-state physics, biological systems, and …
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Pulsed Magnetic Imaging of Broad-Frequency Fields using Nitrogen-Vacancy Centers in Diamond
… magnetic imaging using nitrogen-vacancy (NV) centers in diamond can yield high-quality images for various applications, including biology, geology, condensed matter physics, and electronics troubleshooting. These quantum sensors yield widefield-of-view images with micron-scale spatial …
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Super-resolution localization and readout of individual solid-state qubits
… will require the entanglement of multiple NV centers, together with their nuclear spins, in a manner that allows for individual control and readout. Here we demonstrate a technique that allows us to prepare and measure individual centers within an ensemble, well below the diffraction limit. …
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NV diamond project for nEDM
… the research conducted on Nitrogen Vacancy (NV) defects in diamonds for the nEDM experiment which has an operating temperature of 0.5 K. NV defects have been investigated as metrological sensors for measuring both, electric and magnetic fields at room temperature and also at 4 K. This thesis …
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Exploring quantum geometry and quantum sensing with spin defects in diamond
… 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 promising quantum applications based on the NV …
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Sensing and timekeeping using a light-trapping diamond waveguide
… the spin properties of nitrogen vacancy (NV) color centers in diamond make them outstanding sensors of magnetic fields, electric fields, and temperature under ambient conditions. This thesis focuses on spin-based sensing using multimode diamond waveguide structures to efficiently use large …
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Interactive Spin Dynamics in Magnon and Quantum Spin Systems
… spin defects as represented by nitrogen-vacancy (NV) centers in diamond, leading to the prosperity of magnonics, quantum sensing, and quantum information processing. As the understanding of dynamics in individual spin systems has deepened, recently there has been an increasing interest in the …
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Magnetometry with ensembles of nitrogen vacancy centers in bulk diamond
… vector magnetometer using nitrogen vacancy (NV) centers in a bulk diamond sample. This project began by analyzing the sensitivity of a single NV orientation using a continuous wave electron spin resonance approach. A protocol for determining the diamond's orientation was developed to map …
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Optics-Based Quantum Information and Sensing Platforms Utilizing the Nitrogen-Vacancy Center in Diamond
The nitrogen-vacancy (NV) center is a point defect in the diamond crystal lattice, forming a localized-electron system with unique optical and spin properties. In particular, optical control and read-out of the spin state, combined with long spin coherence times, make it an attractive candidate for …
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Development of a platform for sensing cellular electrical activity using nitrogen vacancy centers in nanodiamonds
The nitrogen vacancy center (NV) in diamond hosts unique optical properties that allows it to be used for sensing magnetic fields, electric fields, and temperature. In addition, the photostability of the NV center and the biocompatibility of diamond suggests the utility of the NV center for …
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Microwave and optical control of sub-diffraction spin qubits in diamond at cryogenic temperatures
… entanglement of negative nitrogen vacancy (NV) centers in diamond will bring us significantly closer to realizing a large scale quantum network, including the design and development of quantum computers. A central requirement for generating large-scale entanglement is a system that can be …
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All-optical method of nanoscale magnetometry for ensembles of nitrogen-vacancy defects in diamond
The Nitrogen-Vacancy (NV) defect in diamond has shown considerable promise in the field of small scale magnetometry due to its high localization and retention of favorable optical properties at ambient conditions. Current methods of magnetometry with the NV center achieve high sensitivity to fields …
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Diamond nanophotonic devices for quantum information processing and sensing
The nitrogen vacancy (NV) center in diamond has in recent years emerged as a promising solid state system for quantum information processing and sensing applications. However, using NV centers to build up quantum networks for these applications faces several challenges, such as the lack of …
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Towards quantum information processing with diamond color centers
… quantum systems, the nitrogen vacancy (NV) center in diamond. The NV has emerged as an excellent quantum sensor, in which quantum logic techniques can significantly improve performance. However, a remaining problem concerns the rate and fidelity of NV spin measurement. To address this …
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Tunable and broadband loop gap resonator for nitrogen vacancy centers in diamond
Nitrogen vacancy centers in diamond have emerged as a solid-state analog to atomic systems with applications ranging from room temperature quantum computing to quantum sensing and metrology. To date, with notably few exceptions, all NV applications rely on coherent manipulation of spin states via …
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Laser-coupled scanning tunneling microscopy and spectroscopy of quantum materials and qubit defects
… describes our measurements of nitrogen-vacancy (NV) centers in diamond, perhaps the most promising solid-state defects for qubit applications. By developing and applying a novel technique of covering the insulating diamond sample with a monolayer of graphene, we were able to map out the …
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