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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 demonstrate optical detection of a broad spectrum of ferromagnetic excitations using nitrogen-vacancy (NV) centers in an ensemble of nanodiamonds. Our recently developed approach exploits a straightforward CW detection scheme using…

The nitrogen-vacancy (NV) center has enabled widespread study of nanoscale nuclear magnetic resonance (NMR) spectroscopy at low magnetic fields. NMR spectroscopy at high magnetic fields significantly improves the technique's spectral…

Mesoscale and Nanoscale Physics · Physics 2021-09-15 Benjamin Fortman , Laura Mugica-Sanchez , Noah Tischler , Cooper Selco , Yuxiao Hang , Karoly Holczer , Susumu Takahashi

The nitrogen-vacancy center (NV center) in diamond at magnetic fields corresponding to the ground state level anticrossing (GSLAC) region gives rise to rich photoluminescence (PL) signals due to the vanishing energy gap between the electron…

Recently, magnetic field sensors based on an electron spin of a nitrogen vacancy (NV) center in diamond have been studied both from an experimental and theoretical point of view. This system provides a nanoscale magnetometer, and it is…

Powered by the mutual developments in instrumentation, materials andtheoretical descriptions, sensing and imaging capabilities of quantum emitters insolids have significantly increased in the past two decades. Quantum emitters insolids,…

Applied Physics · Physics 2019-09-11 Mariusz Radtke , Ettore Bernardi , Abdallah Slablab , Richard Nelz , Elke Neu

Nitrogen vacancy (NV) centres in diamond are attractive as quantum sensors owing to their superb coherence under ambient conditions. However, the NV centre spin resonances are relatively insensitive to some important parameters such as…

Photonic spin density (PSD) in the near-field gives rise to exotic phenomena such as photonic skyrmions, optical spin-momentum locking and unidirectional topological edge waves. Experimental investigation of these phenomena requires a…

Quantum Physics · Physics 2021-10-04 Farid Kalhor , Li-Ping Yang , Leif Bauer , Zubin Jacob

We present a technique for addressing single NV$^{-}$ center spins in diamond over macroscopic distances using a tunable dielectric microwave cavity. We demonstrate optically detected magnetic resonance (ODMR) for a single NV$^{-}$ center…

Quantum Physics · Physics 2015-06-23 J. -M. Le Floch , C. Bradac , N. Nand , S. Castelletto , M. E. Tobar , T. Volz

The recent maturation of hybrid quantum devices has led to significant enhancements in the functionality of a wide variety of quantum systems. In particular, harnessing mechanical resonators for manipulation and control has expanded the use…

We investigate optically detected magnetic resonance signals from an ensemble of nitrogen-vacancy centers in diamond. The signals are measured for different light powers and microwave powers, and the contrast and linewidth of the…

Quantum Physics · Physics 2015-06-11 K. Jensen , V. M. Acosta , A. Jarmola , D. Budker

By efficient nanoscale plasma etching, the nitrogen-vacancy (NV) centers in diamond were brought to the sample surface step by step successfully. At each depth, we used the relative ratios of spin coherence times before and after applying…

Mesoscale and Nanoscale Physics · Physics 2018-01-03 Wenlong Zhang , Jian Zhang , Junfeng Wang , Fupan Feng , Shengran Lin , Liren Lou , Wei Zhu , Guanzhong Wang

The nitrogen-vacancy (NV) center in diamond is supposed to be a building block for quantum computing and nanometer scale metrology at ambient conditions. Therefore, precise knowledge of its quantum states is crucial. Here, we experimentally…

Quantum Physics · Physics 2013-05-29 G. Waldherr , J. Beck , M. Steiner , P. Neumann , A. Gali , Th. Frauenheim , F. Jelezko , J. Wrachtrup

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

There is a continuous search for solid-state spin qubits operating at room temperature with excitation in the IR communication bandwidth. Recently we have introduced the photoelectric detection of magnetic resonance (PDMR) to read the…

Materials Science · Physics 2018-06-20 E. Londero , E. Bourgeois , M. Nesladek , A. Gali

The negatively-charged nitrogen-vacancy (NV) center in diamond is at the frontier of quantum nano-metrology and bio-sensing. Recent attention has focused on the application of high-sensitivity thermometry using the spin resonances of NV…

Quantum Physics · Physics 2015-02-26 Taras Plakhotnik , Marcus W. Doherty , Jared H. Cole , Robert Chapman , Neil B. Manson

Electronic spins associated with the Nitrogen-Vacancy (NV) center in diamond offer an opportunity to study spin-related phenomena with extremely high sensitivity owing to their high degree of optical polarization. Here, we study both…

Quantum Physics · Physics 2023-07-03 Anand Patel , Zainab Chowdhry , Anil Prabhakar , A. Rathi , V. P. Bhallamudi

We present a novel approach to the detection of weak magnetic fields that takes advantage of recently developed techniques for the coherent control of solid-state electron spin quantum bits. Specifically, we investigate a magnetic sensor…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. M. Taylor , P. Cappellaro , L. Childress , L. Jiang , D. Budker , P. R. Hemmer , A. Yacoby , R. Walsworth , M. D. Lukin

After initial proof-of-principle demonstrations, optically pumped nitrogen-vacancy (NV) centres in diamond have been proposed as a non-invasive platform to achieve hyperpolarisation of nuclear spins in molecular samples over macroscopic…

Mesoscale and Nanoscale Physics · Physics 2021-01-27 J. -P. Tetienne , L. T. Hall , A. J. Healey , G. A. L. White , M. -A. Sani , F. Separovic , L. C. L. Hollenberg

Small volume nuclear magnetic resonance spectroscopy (NMR) has recently made considerable progress due to rapid developments in the field of quantum sensing using nitrogen vacancy (NV) centers. These optically active defects in the diamond…

Quantum Physics · Physics 2021-11-19 Fleming Bruckmaier , Karl Briegel , Dominik B. Bucher
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