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We present a theoretical analysis of the electron spin decoherence in single Nitrogen-Vacancy defects in ultra-pure diamond. The electron spin decoherence is due to the interactions with Carbon-13 nuclear spins in the diamond lattice. Our…

Other Condensed Matter · Physics 2009-11-13 J. R. Maze , J. M. Taylor , M. D. Lukin

Understanding the limits to the spin-coherence of the nitrogen-vacancy (NV) center in diamond is vital to realizing the full potential of this quantum system. We show that relaxation on the $|m_{s}=-1\rangle \leftrightarrow…

Mesoscale and Nanoscale Physics · Physics 2021-02-17 M. C. Cambria , A. Gardill , Y. Li , A. Norambuena , J. R. Maze , S. Kolkowitz

We report polarization of a dense nuclear-spin ensemble in diamond and its dependence on magnetic field and temperature. The polarization method is based on the transfer of electron spin polarization of negatively charged nitrogen vacancy…

Quantum Physics · Physics 2013-04-01 Ran Fischer , Andrey Jarmola , Pauli Kehayias , Dmitry Budker

We report the manipulation of nitrogen vacancy (NV) spins in diamond when nearby ferrimagnetic insulator, yttrium iron garnet, is driven into precession. The change in NV spin polarization, as measured by changes in photoluminescence, is…

Using an optical tweezers apparatus, we demonstrate three-dimensional control of nanodiamonds in solution with simultaneous readout of ground-state electron-spin resonance (ESR) transitions in an ensemble of diamond nitrogen-vacancy (NV)…

In this paper, starting from a quantum master equation, we discuss the interaction between two negatively charged Nitrogen-vacancy color centers in diamond via exciton-polaritons propagating in a two-dimensional transition metal…

Mesoscale and Nanoscale Physics · Physics 2021-02-05 J. C. G. Henriques , B. Amorim , N. M. R. Peres

Optically polarizable nitrogen-vacancy (NV) center in diamond enables the hyperpolarization of $^{13}$C nuclear spins at low magnetic field and room temperature. However, achieving a high level of polarization comparable to conventional…

Quantum Physics · Physics 2024-10-01 Vladimir V. Kavtanyuk , Changjae Lee , Keunhong Jeong , Jeong Hyun Shim

We employ the technique of optical detection of magnetic resonance to study dipolar interaction in diamond between nitrogen-vacancy color centers of different crystallographic orientations and substitutional nitrogen defects. We demonstrate…

Quantum Physics · Physics 2021-05-05 Sergei Masis , Sergey Hazanov , Nir Alfasi , Oleg Shtempluck , Eyal Buks

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

Recently, there have been significant developments to detect nuclear spins with an nitrogen vacancy (NV) center in diamond. However, due to the nature of the short range dipole-dipole interaction, it takes a long time to detect distant…

Quantum Physics · Physics 2021-08-11 Hideaki Hakoshima , Yuichiro Matsuzaki , Toyofumi Ishikawa

We study the coupling of a single nitrogen-vacancy center in diamond to a nearby single nitrogen defect at room temperature. The magnetic dipolar coupling leads to a splitting in the electron spin resonance frequency of the nitrogen-vacancy…

Quantum Physics · Physics 2007-05-23 R. Hanson , F. M. Mendoza , R. J. Epstein , D. D. Awschalom

The negatively charged nitrogen-vacancy (NV-) center in diamond has realized new frontiers in quantum technology. Here, the center's optical and spin resonances are observed under hydrostatic pressures up to 60 GPa. Our observations…

Understanding the dynamics of molecules adsorbed to surfaces or confined to small volumes is a matter of increasing scientific and technological importance. Here, we demonstrate a pulse protocol using individual paramagnetic nitrogen…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 T. Staudacher , N. Raatz , S. Pezzagna , J. Meijer , F. Reinhard , C. A. Meriles , 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…

We present a novel approach to spin manipulation in atomic-scale nanostructures. Our ab initio calculations clearly demonstrate that it is possible to tune magnetic properties of sub-nanometer structures by adjusting the geometry of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 O. O. Brovko , P. A. Ignatiev , V. S. Stepanyuk , P. Bruno

Key to future spintronics and spin-based information processing technologies is the generation, manipulation, and detection of spin polarization in a solid state platform. Here, we theoretically explore an alternative route to spin…

Mesoscale and Nanoscale Physics · Physics 2014-07-29 Carlos A. Meriles , Marcus W. Doherty

Precise coherent control of the individual electronic spins associated with atom-like impurities in the solid state is essential for applications in quantum information processing and quantum metrology. We demonstrate all-optical…

Quantum Physics · Physics 2015-03-05 Yiwen Chu , Matthew Markham , Daniel J. Twitchen , Mikhail D. Lukin

Nanophotonic devices in color center-containing hosts provide efficient readout, control, and entanglement of the embedded emitters. Yet control over color center formation - in number, position, and coherence - in nanophotonic devices…

The photoluminescence of nitrogen-vacancy (NV) centers in diamond nanoparticles exhibits specific properties as compared to NV centers in bulk diamond. For instance large fluctuations of lifetime and brightness from particle to particle…

Optics · Physics 2011-07-05 J. -J. Greffet , J. -P. Hugonin , M. Besbes , N. D. Lai , F. Treussart , J. -F. Roch

We report a search for exotic spin-spin interactions between neutrons and electrons which could signal new physics beyond the Standard Model using slow neutron polarimetric imaging through a dense medium of polarized electrons. Our dense…

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