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Nitrogen Vacancy (NV) centers in diamond are a platform for several important quantum technologies, including sensing, communication and elementary quantum processors. In this letter we demonstrate the creation of NV centers by implantation…

Quantum Physics · Physics 2021-08-11 K. Groot-Berning , G. Jacob , C. Osterkamp , F. Jelezko , F. Schmidt-Kaler

Nitrogen-vacancy centers in diamond are a promising platform for nanoscale nuclear magnetic resonance sensing. Despite significant progress towards using NV centers to detect and localize nuclear spins down to the single spin level,…

Color center spins in diamond nanostructures are a key resource for emerging quantum technologies. Their innate surface proximity makes precise control of diamond surface chemistry essential for optimizing their functionality and charge…

Optically active solid-state spin defects have the potential to become a versatile resource for quantum information processing applications. Nitrogen-vacancy defect centers (NV) in diamond act as quantum memories and can be interfaced by…

The room temperature compatibility of the negatively-charged nitrogen-vacancy (NV-) in diamond makes it the ideal quantum system for a university teaching lab. Here, we describe a low-cost experimental setup for coherent control experiments…

Electron and nuclear spins of diamond nitrogen-vacancy (NV) centers are good candidates for quantum information processing as they have long coherence time and can be initialized and read out optically. However, creating a large number of…

Quantum Physics · Physics 2019-11-19 Zhujing Xu , Zhang-qi Yin , Qinkai Han , Tongcang Li

The negatively charged nitrogen-vacancy defect ($N-V^-$ center) in diamond is an important atomic-scale structure that can be used as a qubit in quantum computing and as a marker in biomedical applications. Its usefulness relies on the…

Materials Science · Physics 2015-05-13 Adam Gali , Erik Janzén , Péter Deák , Georg Kresse , Efthimios Kaxiras

Nitrogen-vacancy (NV) centers in diamond are optically addressable spin defects with great potential for nanoscale quantum sensing. A key application of NV centers is the detection of external spins at the diamond surface. Among metals,…

Color centers in diamond are widely explored for applications in quantum sensing, computing, and networking. Their optical, spin, and charge properties have been extensively studied, while their interactions with itinerant carriers are…

Mesoscale and Nanoscale Physics · Physics 2023-02-22 Marjana Mahdia , James Allred , Zhiyang Yuan , Jared Rovny , Nathalie P. de Leon

Solid-state quantum emitters are an important platform for quantum information processing. The fabrication of the emitters with stable photon frequency and narrow linewidth is a fundamental issue, and it is essential to understand optical…

A nitrogen-vacancy (NV) center in a diamond enables the access to an electron spin, which is expected to present highly sensitive quantum sensors. Although exploiting a nitrogen nuclear spin improves the sensitivity, manipulating it using a…

We introduce an alternate route to dynamically polarize the nuclear spin host of nitrogen-vacancy (NV) centers in diamond. Our approach articulates optical, microwave and radio-frequency pulses to recursively transfer spin polarization from…

Quantum Physics · Physics 2014-12-18 Daniela Pagliero , Abdelghani Laraoui , Jacob D. Henshaw , Carlos A. Meriles

We demonstrate vector magnetometry with an ensemble of nitrogen-vacancy (NV) centers in diamond without the need for an external bias field. The anisotropy of the electric dipole moments of the NV center reduces the ambiguity of the…

Mesoscale and Nanoscale Physics · Physics 2017-01-05 Franz Münzhuber , Johannes Kleinlein , Tobias Kiessling , Laurens W. Molenkamp

Dense, near-surface (within 10 nm) ensembles of nitrogen-vacancy (NV) centres in diamond are rapidly moving into prominence as the workhorse of a variety of envisaged applications, ranging from the imaging of fast-fluctuating magnetic…

The negatively-charged nitrogen-vacancy center (NV) in diamond forms a versatile system for quantum sensing applications. Combining the advantageous properties of this atomic-sized defect with scanning probe techniques such as atomic force…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 Philipp Fuchs , Michel Challier , Elke Neu

Nanodiamonds containing nitrogen-vacancy (NV) centers offer a versatile platform for sensing applications spanning from nanomagnetism to in-vivo monitoring of cellular processes. In many cases, however, weak optical signals and poor…

Quantum Physics · Physics 2018-04-30 David A. Hopper , Richard R. Grote , Samuel M. Parks , Lee C. Bassett

Optically addressable solid-state defects are emerging as one of the most promising qubit platforms for quantum networks. Maximizing photon-defect interaction by nanophotonic cavity coupling is key to network efficiency. We demonstrate…

We report the formation of perfectly aligned, high-density, shallow nitrogen vacancy (NV) centers on the ($111$) surface of a diamond. The study involved step-flow growth with a high flux of nitrogen during chemical vapor deposition (CVD)…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Hitoshi Ishiwata , Makoto Nakajima , Kosuke Tahara , Hayato Ozawa , Takayuki Iwasaki , Mutsuko Hatano

The nitrogen-vacancy (NV) center in diamond is the prototype quantum defect that enables a variety of diamond-based quantum technologies. However, charge-state instability and spectral diffusion, often induced by substitutional nitrogen…

Materials Science · Physics 2026-05-26 Chandan Kumar Vishwakarma , J. K. Nangoi , Mark E. Turiansky , Chris G. Van de Walle

Formation and excitation energies as well charge transition levels, are determined forthe substitutional nitrogen (Ns),the vacancy (V) and related point defects (NV, NVH, N2, N2V and V2) by screened non-local hybrid density functional…

Materials Science · Physics 2013-11-27 Peter Deák , Bálint Aradi , Moloud Kaviani , Thomas Frauenheim , Adam Gali