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Solid-state quantum sensors based on ensembles of nitrogen-vacancy (NV) centers in diamond have emerged as powerful tools for precise sensing applications. Nuclear spin sensors are particularly well-suited for applications requiring long…

Quantum Physics · Physics 2025-05-14 Hanfeng Wang , Shuang Wu , Kurt Jacobs , Yuqin Duan , Dirk R. Englund , Matthew E. Trusheim

The nitrogen-vacancy color center in diamond has rapidly emerged as an important solid-state system for quantum information processing. While individual spin registers have been used to implement small-scale diamond quantum computing, the…

The negatively-charged silicon-vacancy (SiV$^-$) color center in diamond has recently emerged as a promising system for quantum photonics. Its symmetry-protected optical transitions enable creation of indistinguishable emitter arrays and…

We employ a quantum computer to simulate the effect of spin impurities on nitrogen-vacancy (NV) centers in diamond. As these defects operate as nanoscale quantum sensors, modeling quantum noise is crucial to identify limitations in…

Quantum Physics · Physics 2026-03-04 Alberto López-García , Aikaterini Vasilakou , Javier Cerrillo

The fluorescent nitrogen-vacancy (NV) defect in diamond has remarkable photophysical properties, including high photostability, which allows stable fluorescence emission for hours; as a result, there has been much interest in using…

Magnetometers based on nitrogen-vacancy (NV) centers in diamond have emerged as the most important solid-state quantum sensors. However, ensembles are limited in optical contrast to typically a few percent and high-sensitivity variants…

Diamond quantum technologies based on color centers have rapidly emerged in the most recent years. The nitrogen-vacancy (NV) color center has attracted a particular interest, thanks to its outstanding spin properties and optical…

Quantum Physics · Physics 2021-02-15 Santiago Hernández-Gómez , Nicole Fabbri

Nitrogen-vacancy (NV) centers in diamond have emerged as valuable tools for sensing and polarizing spins. Motivated by potential applications in chemistry, biology, and medicine, we show that NV-based sensors are capable of detecting single…

Quantum Physics · Physics 2016-03-10 M. Bruderer , P. Fernández-Acebal , R. Aurich , M. B. Plenio

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

Solid state spins in diamond, in particular negatively charged nitrogen-vacancy centers (NV), are leading contenders in the field of quantum sensing. While addressing of single NVs offers nanoscale spatial resolution, many implementations…

Quantum Physics · Physics 2023-01-11 Yuchun Zhu , Elena Losero , Christophe Galland , Valentin Goblot

Solid-state spin defects are a promising platform for quantum networks. A key requirement is to combine long ground-state spin-coherence times with a coherent optical transition for spin-photon entanglement. Here, we investigate the spin…

Solid-state spin defects, such as color centers in diamond, are among the most promising candidates for scalable and integrated quantum technologies. In particular, the good optical properties of silicon-vacancy centers in diamond combined…

Quantum Physics · Physics 2024-09-20 Marco Klotz , Andreas Tangemann , Alexander Kubanek

Using pulsed optically detected magnetic resonance techniques, we directly probe electron-spin resonance transitions in the excited-state of single Nitrogen-Vacancy color centers in diamond. Unambiguous assignment of excited state fine…

The nitrogen vacancy (NV) center in diamond is a sensitive probe of magnetic field and a promising qubit candidate for quantum information processing. The performance of many NV-based devices improves by aligning the NV(s) parallel to a…

Other Condensed Matter · Physics 2015-06-19 Todd Karin , Scott Dunham , Kai-Mei Fu

Magnetic imaging with nitrogen-vacancy (NV) spins in diamond is becoming an established tool for studying nanoscale physics in condensed matter systems. However, the optical access required for NV spin readout remains an important hurdle…

Mesoscale and Nanoscale Physics · Physics 2023-05-26 Yufan Li , Fabian A. Gerritsma , Samer Kurdi , Nina Codreanu , Simon Gröblacher , Ronald Hanson , Richard Norte , Toeno van der Sar

Nitrogen-vacancy (NV) and silicon-vacancy (SiV) color defects in diamond are promising systems for applications in quantum technology. The NV and SiV centers have multiple charge states, and their charge states have different electronic,…

Materials Science · Physics 2023-09-08 Artur Pambukhchyan , Sizhe Weng , Indu Aravind , Stephen B. Cronin , Susumu Takahashi

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

Megabar pressures are of crucial importance for cutting-edge studies of condensed matter physics and geophysics. With the development of diamond anvil cell, laboratory studies of high pressure have entered the megabar era for decades.…

Quantum Physics · Physics 2024-09-26 Jian-Hong Dai , Yan-Xing Shang , Yong-Hong Yu , Yue Xu , Hui Yu , Fang Hong , Xiao-Hui Yu , Xin-Yu Pan , Gang-Qin Liu

Nuclear spin imaging at the atomic level is essential for the understanding of fundamental biological phenomena and for applications such as drug discovery. The advent of novel nano-scale sensors has given hope of achieving the…

Quantum Physics · Physics 2015-11-25 Ashok Ajoy , Ulf Bissbort , Mikhail D. Lukin , Ronald L. Walsworth , Paola Cappellaro

Diamond colour centres are promising optically-addressable solid state spins that can be matter-qubits, mediate deterministic interaction between photons and act as single photon emitters. Useful quantum computers will comprise millions of…