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Showing 1 to 20 of 70 for “"nitrogen vacancy"”.
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Custom built atomic force microscope for nitrogen-vacancy diamond magnetometry
The nitrogen-vacancy (N-V) center in diamonds have the potential to be an ultra-sensitive magnetic field sensor that is capable of detecting single spins. Implementing this sensor for general and nontransparent samples is not trivial. For N-V centers to be a useful probe, a way of positioning the …
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Magnetometry with ensembles of nitrogen vacancy centers in bulk diamond
… a high sensitivity 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 …
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High-Sensitivity Nitrogen-Vacancy Center Magnetometry: from DC to GHz
… years, quantum sensing of magnetic fields using nitrogen-vacancy (NV) center ensembles in diamond has matured into an established discipline, with several proof of principle demonstrations in condensed matter physics, biological systems, electronics testing, and geomagnetism. However, despite the …
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Optimizing chemical-vapor-deposition diamond for nitrogen-vacancy center ensemble magnetometry
The nitrogen-vacancy (NV) center in diamond has emerged as a promising platform for high-sensitivity, vector magnetic field detection and high spatial resolution magnetic-field imaging due to its unique combination of optical and spin properties. NV diamond magnetometry has enabled a wide array of …
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Investigating approaches to enhance sensing capabilities of nitrogen-vacancy centres in nanodiamond
The nitrogen-vacancy (NV) centre in diamond has proven to be an excellent tool to probe electro-magnetic fields and temperature. It has a number of unique features: High sensitivity and resolution, long coherence and lifetimes, the ability to operate from cryogenic temperatures to hundreds of …
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Frequency down-conversion for quantum networking with nitrogen-vacancy centers in diamond
… for efficient entanglement distribution. The nitrogen-vacancy (NV) center in diamond is an attractive candidate for these memories because of its long coherence time and the ability to optically write to and read out information from its spin. However, the NV-center fluoresces in the visible …
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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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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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High-precision electron-spin sensing with ensembles of nitrogen-vacancy centers in diamond
… electron-spin resonance spectra of nitrogen-vacancy centers in diamond. Experiments were performed using a light-trapping diamond waveguide sample, with which we estimate to address 10¹³ nitrogen-vacancy centers simultaneously. We derive energy level structure of a nitrogen-vacancy …
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Pulsed Magnetic Imaging of Broad-Frequency Fields using Nitrogen-Vacancy Centers in Diamond
Wide-field 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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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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Coherent control of nitrogen-vacancy centers in diamond nanostructures for quantum sensing and networking
… and spin properties of the negatively charged nitrogen-vacancy (NV-) center in diamond have led to numerous applications ranging from super-resolution imaging to the exploration of previously untested new phenomena using quantum entanglement for information processing and sensing. The …
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Electrochemical modulation of fluorescence of nitrogen vacancy centers in nanodiamonds for voltage sensing applications
The nitrogen vacancy (NV) color center in diamond has been used to sense environmental variables such as temperature and electric and magnetic fields. Most sensing protocols depend on the optically detectable magnetic resonance of the negatively charged NV- spin state. As such, fluctuations in the …
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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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Nanoscale magnetometry with a microcontroller-based magnetometer using a single nitrogen-vacancy defect in nanodiamond
… few years, the study of the negatively charged nitrogen-vacancy (NV−) defect in diamond has increased in many areas of science because of its interesting optical and spin properties, such as high photostability and possibility of performing coherent control of their spin states even under …
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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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Wide-field magnetic field imaging with nitrogen vacancy centers in nanodiamonds at high frame-rates
The nitrogen vacancy center (NV) is a promising single spin system in diamond with optical polarization, readout and optically detected magnetic resonances (ODMR). The NV has been shown to be a sensitive magnetometer at room temperature. In particular, owing to their small size, NV centers in …
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