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Nitrogen-vacancy (NV) centers in diamond have emerged as quantum sensors capable of detecting nuclear magnetic resonance (NMR) signals at unprecedented length scales, ranging from picoliter sample volumes down to single spins at the diamond…

Chemical Physics · Physics 2025-01-07 Nick R. von Grafenstein , Karl D. Briegel , Jorge Casanova , Dominik B. Bucher

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

A neutral nitrogen-vacancy center (NV$^0$) is promising for realizing strong coupling with a single microwave photon due to its large electric field sensitivity, although it is susceptible to environmental phonon noise at 5 K. Decreasing…

Diamond has attracted great interest as a quantum technology platform thanks to its optically active nitrogen vacancy center (NV). The NV's ground state spin can be read out optically exhibiting long spin coherence times of about 1 ms even…

Quantum technologies have seen a rapid developmental surge over the last couple of years. Though often overshadowed by quantum computation, quantum sensors show tremendous potential for widespread applications in chemistry and biology. One…

Quantum Physics · Physics 2022-05-30 Robin D. Allert , Karl D. Briegel , Dominik B. Bucher

The nuclear spin in the vicinity of a nitrogen-vacancy (NV) center possesses of long coherence time and convenient manipulation assisted by the strong hyperfine interaction with the NV center. It is suggested for the subsequent quantum…

Quantum Physics · Physics 2018-04-18 Yang-Yang Wang , Jing Qiu , Ying-Qi Chu , Mei Zhang , Jianming Cai , Qing Ai , Fu-Guo Deng

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

Initializing a set of qubits to a given quantum state is a basic prerequisite for the physical implementation of quantum-information protocols. Here, we discuss the polarization of the electronic and nuclear spin in a single nitrogen…

Quantum Physics · Physics 2017-07-26 Tanmoy Chakraborty , Jingfu Zhang , Dieter Suter

We review the electronic level structure of the nitrogen-vacancy in diamond and some common experimental techniques to study its optical properties at low temperatures. We then summarize several recent experiments and advances in using…

Quantum Physics · Physics 2015-04-24 Yiwen Chu , Mikhail D. Lukin

We consider the spin echo dynamics of a nitrogen-vacancy center qubit based the $S\!= \! 1$ ground state spin manifold, caused by a dynamically polarized nuclear environment. We show that the echo signal acquires then a nontrivially…

Mesoscale and Nanoscale Physics · Physics 2020-04-14 Damian Kwiatkowski , Piotr Szańkowski , Łukasz Cywiński

Many applications of nitrogen-vacancy (NV) centers in diamond crucially rely on a spectrally narrow and stable optical zero-phonon line transition. Though many impressive proof-of-principle experiments have been demonstrated, much work…

Quantum Physics · Physics 2021-07-21 Albert Liu , Steven T. Cundiff , Diogo B. Almeida , Ronald Ulbricht

Engineering shallow nitrogen-vacancy (NV) centers in diamond holds the key to unlocking new advances in nanoscale quantum sensing. We find that the creation of near-surface NVs through delta doping during diamond growth allows for tunable…

Nitrogen-vacancy (NV) centers in diamonds are interesting due to their remarkable characteristics that are well suited to applications in quantum-information processing and magnetic field sensing, as well as representing stable fluorescent…

Characterization of the molecular properties of surfaces under ambient or chemically reactive conditions is a fundamental scientific challenge. Moreover, many traditional analytical techniques used for probing surfaces often lack dynamic or…

As a potential candidate for quantum computation and metrology, the nitrogen vacancy (NV)center in diamond presented both challenges and opportunities resulted from charge state conversion. By utilizing different lasers for the…

Quantum Physics · Physics 2014-10-20 Xiangdong Chen , Changling Zou , Zhaojun Gong , Chunhua Dong , Guangcan Guo , Fangwen Sun

Spins in solid-state materials, molecules, and other chemical systems have the potential to impact the fields of quantum sensing, communication, simulation, and computing. In particular, color centers in diamond, such as negatively charged…

The negatively charged nitrogen-vacancy (NV$^-$) center in diamond is a model quantum system for university teaching labs due to its room-temperature compatibility and cost-effective operation. Based on the low-cost experimental setup that…

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

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,…

The nitrogen-vacancy (NV) center is a well utilized system for quantum technology, in particular quantum sensing and microscopy. Fully employing the NV center's capabilities for metrology requires a strong understanding of the behavior of…

Mesoscale and Nanoscale Physics · Physics 2019-03-13 M. S. J. Barson , P. M. Reddy , S. Yang , N. B. Manson , J. Wrachtrup , M. W. Doherty