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Related papers: Probing Boron Vacancy Defects in hBN via Single Sp…

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Spin defects in van der Waals materials offer a promising platform for advancing quantum technologies. Here, we propose and demonstrate a powerful technique based on isotope engineering of host materials to significantly enhance the…

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

Nitrogen vacancy (NV) centers, optically active atomic defects in diamond, have been widely applied to emerging quantum sensing, imaging, and network efforts, showing unprecedented field sensitivity and nanoscale spatial resolution. Many of…

Mesoscale and Nanoscale Physics · Physics 2021-04-06 Eric Lee-Wong , Jinjun Ding , Xiaoche Wang , Chuanpu Liu , Nathan J. McLaughlin , Hailong Wang , Mingzhong Wu , Chunhui Rita Du

High-spin defect centers in crystal matrices are used in quantum computing technologies, highly sensitive sensors, and single-photon sources. In this work, optically active nitrogen-vacancy color centers NV in a 28Si-enriched (nuclear spin…

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

Dynamical decoupling multipulse sequences can be applied to solid state spins for sensing weak oscillating fields from nearby single nuclear spins. By periodically reversing the probing system's evolution, other noises are counteracted and…

Highly correlated orbitals coupled with phonons in two-dimension are identified for paramagnetic and optically active boron vacancy in hexagonal boron nitride by first principles methods which are responsible for recently observed optically…

Mesoscale and Nanoscale Physics · Physics 2019-10-18 Viktor Ivády , Gergely Barcza , Gergő Thiering , Song Li , Hanen Hamdi , Örs Legeza , Jyh-Pin Chou , Adam Gali

Methods and techniques to measure and image beyond the state-of-the-art have always been influential in propelling basic science and technology. Because current technologies are venturing into nanoscopic and molecular-scale fabrication,…

Quantum Physics · Physics 2015-05-13 Andrii Lazariev , Gopalakrishnan Balasubramanian

Quantum sensors based on the nitrogen-vacancy (NV) centre in diamond are rapidly advancing from scientific exploration towards the first generation of commercial applications. While significant progress has been made in developing suitable…

Nitrogen-Vacancy (NV) centers in diamond have been used in recent years for a wide range of applications, from nano-scale NMR to quantum computation. These applications depend strongly on the efficient readout of the NV center's spin state,…

Quantum Physics · Physics 2019-10-02 Idan Meirzada , Sigal A. Wolf , Alex Naiman , Uriel Levy , Nir Bar-Gill

Single photon emitter (SPE) sources are important building blocks for photonics-based quantum technologies. Recently, the highly bright and versatile SPEs from the two-dimensional insulator material hexagonal boron nitride (hBN) have…

Mesoscale and Nanoscale Physics · Physics 2021-08-05 Yifeng Chen , Su Ying Quek

Recently there have been several theoretical and experimental studies of the prospects for magnetic field sensors based on crystal defects, especially nitrogen vacancy (NV) centres in diamond. Such systems could potentially be incorporated…

Materials Science · Physics 2011-11-15 Marcus Schaffry , Erik M. Gauger , John J. L. Morton , Simon C. Benjamin

Shallow nitrogen-vacancy (NV) centers in diamond are promising for nano-magnetometry for they can be placed proximate to targets. To study the intrinsic magnetic properties, zero-field magnetometry is desirable. However, for shallow NV…

Mesoscale and Nanoscale Physics · Physics 2021-09-14 Ning Wang , Chu-Feng Liu , Jing-Wei Fan , Xi Feng , Weng-Hang Leong , Amit Finkler , Andrej Denisenko , Jörg Wrachtrup , Quan Li , Ren-Bao Liu

Optically accessible spin-active nanomaterials are promising as quantum nanosensors for probing biological samples. However, achieving bioimaging-level brightness and high-quality spin properties for these materials is challenging and…

Optically addressable spin defects in three-dimensional (3D) crystals and two-dimensional (2D) van der Waals (vdW) materials are revolutionizing nanoscale quantum sensing. Spin defects in one-dimensional (1D) vdW nanotubes will provide…

Mesoscale and Nanoscale Physics · Physics 2024-09-09 Xingyu Gao , Sumukh Vaidya , Saakshi Dikshit , Peng Ju , Kunhong Shen , Yuanbin Jin , Shixiong Zhang , Tongcang Li

The recently discovered spin-active boron vacancy (V$_\text{B}^-$) defect center in hexagonal boron nitride (hBN) has high contrast optically-detected magnetic resonance (ODMR) at room-temperature, with a spin-triplet ground-state that…

Quantum sensing using optically addressable atomic-scale defects, such as the nitrogen--vacancy (NV) center in diamond, provides new opportunities for sensitive and highly localized characterization of chemical functionality. Notably,…

The experimental identification of optically addressable spin defects in hexagonal boron nitride has opened new possibilities for quantum sensor technologies in two-dimensional materials and structures. Despite numerous fundamental and…

Solid state spins have demonstrated significant potential in quantum sensing with applications including fundamental science, medical diagnostics and navigation. The quantum sensing schemes showing best performance under ambient conditions…

Mesoscale and Nanoscale Physics · Physics 2023-06-14 Beat Bürgler , Tobias F. Sjolander , Ovidiu Brinza , Alexandre Tallaire , Jocelyn Achard , Patrick Maletinsky

Diamond has been extensively investigated recently due to a wide range of potential applications of nitrogen-vacancy (NV) defect centers existing in a diamond lattice. The applications include magnetometry and quantum information…

Mesoscale and Nanoscale Physics · Physics 2016-03-25 Viktor Stepanov , Susumu Takahashi