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Related papers: The negatively charged nitrogen-vacancy centre in …

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Nitrogen-vacancy (NV) centers in diamond have become an important tool for quantum technologies. All of these applications rely on long coherence times of electron and nuclear spins associated with these centers. Here, we study the energy…

Quantum Physics · Physics 2020-12-02 K. Rama Koteswara Rao , Dieter Suter

The negatively charged nickel vacancy center (NiV$^-$) in diamond is a promising spin qubit candidate with predicted inversion symmetry, large ground state spin orbit splitting to limit phonon-induced decoherence, and emission in the…

In this report, the polarization properties of the photoluminescence emitted by single nitrogen-vacancy (NV) color centers in diamond are investigated using resonant excitation at cryogenic temperature. We first underline that the two…

Quantum Physics · Physics 2009-06-19 F. Kaiser , V. Jacques , A. Batalov , P. Siyushev , F. Jelezko , J. Wrachtrup

Nanodiamonds containing negatively charged nitrogen-vacancy (NV$^-$) centers are versatile room-temperature quantum sensors in a growing field of research. Yet, knowledge regarding the NV-formation mechanism in very small particles is still…

Nitrogen-vacancy (NV) centers in diamond are a leading modality for magnetic sensing and imaging under ambient conditions. However, these sensors suffer from degraded performance due to paramagnetic impurities and regions of stress in the…

Quantum Physics · Physics 2024-04-22 Connor Roncaioli , Connor Hart , Ronald Walsworth , Donald P. Fahey

It is suggested that the substitutional nitrogen in diamonds bonded to three of the surrounding carbon atoms instead of four. This proposed electron configuration of the defect is deduced from previous experiments and theoretical…

Materials Science · Physics 2014-12-23 Jozsef Garai

Nitrogen-vacancy (NV) centers in diamond have attracted considerable interest in sensing of weak magnetic fields, such as those created by biological systems. Detecting such feeble signals requires near-surface NV centers, to reduce the…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 R. Giri , C. Dorigoni , S. Tambalo , F. Gorrini , A. Bifone

The unique quantum properties of the nitrogen-vacancy (NV) center in diamond have motivated efforts to find defects with similar properties in silicon carbide (SiC), which can extend the functionality of such systems not available to the…

Diamond nitrogen-vacancy (NV) center magnetometry has recently received considerable interest from researchers in the fields of applied physics and sensors. The purpose of this review is to analyze the principle, sensitivity, technical…

Applied Physics · Physics 2020-10-21 Jixing Zhang , Lixia Xu , Guodong Bian , Pengcheng Fan , Mingxin Li , Wuming Liu , Heng Yuan

Knowledge of the nitrogen-vacancy center formation kinetics in diamond is critical to engineering sensors and quantum information devices based on this defect. Here we utilize the longitudinal tracking of single NV centers to elucidate NV…

Diamond samples of defects with negative charged nitrogen-vacancy (NV) centers are promising solid state spin sensors suitable for quantum information processing, high sensitive measurements of magnetic, electric and thermal fields in…

Mesoscale and Nanoscale Physics · Physics 2022-03-16 Zheng Wang , Jintao Zhang , Xiaojuan Feng , Li Xing

Ultrasmall nanodiamonds (USNDs) are promising platforms for fluorescent and quantum sensing applications. Here we present first-principles electronic structure calculations of color centers in USNDs, specifically the nitrogen-vacancy (NV-)…

Computational Physics · Physics 2024-12-04 Arpan Kundu , Francesco Martinelli , Giulia Galli

Nitrogen-vacancy centers in diamond allow measurement of environment properties such as temperature, magnetic and electric fields at nanoscale level, of utmost relevance for several research fields, ranging from nanotechnologies to…

The neutrally-charged silicon vacancy in diamond is a promising system for quantum technologies that combines high-efficiency, broadband optical spin polarization with long spin lifetimes (T2 ~ 1 ms at 4 K) and up to 90% of optical emission…

Etching experiments were performed that reveal the vertical distribution of optically active nitrogen-vacancy (NV) centers in diamond created in close proximity to a surface through ion implantation and annealing. The NV distribution…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Charles Santori , Paul E. Barclay , Kai-Mei C. Fu , Raymond G. Beausoleil

Isolated nuclear spins offer a promising building block for quantum information processing systems, but their weak interactions often impede preparation, control, and detection. Hyperfine coupling to a proximal electronic spin can enhance…

Quantum Physics · Physics 2013-05-29 Benjamin Smeltzer , Jean McIntyre , Lilian Childress

Nitrogen-vacancy (NV) center in diamond is a promising quantum sensor with remarkably versatile sensing capabilities. While scanning NV magnetometry is well-established, NV electrometry has been so far limited to bulk diamonds. Here we…

Quantum Physics · Physics 2022-10-12 Ziwei Qiu , Assaf Hamo , Uri Vool , Tony X. Zhou , Amir Yacoby

We review recent advances towards the realization of quantum networks based on atom-like solid-state quantum emitters coupled to nanophotonic devices. Specifically, we focus on experiments involving the negatively charged silicon-vacancy…

Quantum Physics · Physics 2017-12-20 Alp Sipahigil , Mikhail D. Lukin

The possibility of using Nitrogen-vacancy centers in diamonds to measure nanoscale magnetic fields with unprecedented sensitivity is one of the most significant achievements of quantum sensing. Here we present an innovative experimental…

Due to interest in both solid state based quantum computing architectures and the application of quantum mechanical systems to nanomagnetometry, there has been considerable recent attention focused on understanding the microscopic dynamics…

Mesoscale and Nanoscale Physics · Physics 2013-09-30 Liam T. Hall , Jared H. Cole , Lloyd C. L. Hollenberg