中文
相关论文

相关论文: Guiding Diamond Spin Qubit Growth with Computation…

200 篇论文

The long coherence time of a single nitrogen vacancy (NV) center spin in diamond is a crucial advantage for implementing quantum information processing. However, the realization of strong coupling between single NV spins is challenging.…

量子物理 · 物理学 2021-05-19 Wei Xiong , Jiaojiao Chen , Baolong Fang , Mingfeng Wang , Liu Ye , J. Q. You

Electronic spin defects in the environment of an optically-active spin can be used to increase the size and hence the performance of solid-state quantum registers, especially for applications in quantum metrology and quantum communication.…

量子物理 · 物理学 2024-03-19 Alexander Ungar , Paola Cappellaro , Alexandre Cooper , Won Kyu Calvin Sun

The nitrogen-vacancy center in diamond is a promising candidate for realizing the spin qubits concept in quantum information. Even though this defect is known for a long time, its electronic structure and other properties have not yet been…

其他凝聚态物理 · 物理学 2008-06-24 Adam Gali , Maria Fyta , Efthimios Kaxiras

Dynamical decoupling is a powerful technique for extending the coherence time (T$_2$) of qubits. We apply this technique to the electron spin qubit of a single nitrogen-vacancy center in type IIa diamond. In a crystal with natural abundance…

量子物理 · 物理学 2012-11-01 J. H. Shim , I. Niemeyer , J. Zhang , D. Suter

The decoherence of a central electron spin due to the dynamics of a coupled electron-spin bath is a core problem in solid-state spin physics. Ensemble experiments have studied the central spin coherence in detail, but such experiments…

The Nitrogen Vacancy Center in diamond coupled to addressable surrounding nuclear spins forms a versatile building block for future quantum technologies. While previous activities focused on sensing with only a single or very few spins in…

量子物理 · 物理学 2024-08-20 Dominik Maile , Joachim Ankerhold

Quantum memories are critical for solid-state quantum computing devices and a good quantum memory requires both long storage time and fast read/write operations. A promising system is the Nitrogen-Vacancy (NV) center in diamond, where the…

量子物理 · 物理学 2018-06-26 Mo Chen , Won Kyu Calvin Sun , Kasturi Saha , Jean-Christophe Jaskula , Paola Cappellaro

We experimentally demonstrate an approach to scale up quantum devices by harnessing spin defects in the environment of a quantum probe. We follow this approach to identify, locate, and control two electron-nuclear spin defects in the…

Spin impurities in diamond have emerged as a promising building block in a wide range of solid-state-based quantum technologies. The negatively charged silicon-vacancy centre combines the advantages of its high-quality photonic properties…

Nitrogen-vacancy center in diamond is a solid state defect qubit with favorable coherence time up to room temperature which could be harnessed in several quantum enhanced sensor and quantum communication applications, and has a potential in…

量子物理 · 物理学 2019-09-20 Adam Gali

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…

材料科学 · 物理学 2015-05-13 Adam Gali , Erik Janzén , Péter Deák , Georg Kresse , Efthimios Kaxiras

Thanks to their versatility, nitrogen-vacancy (NV) centers in nanodiamonds have been widely adopted as nanoscale sensors. However, their sensitivities are limited by their short coherence times relative to NVs in bulk diamond. A more…

介观与纳米尺度物理 · 物理学 2020-03-09 Aedan Gardill , Matthew C. Cambria , Shimon Kolkowitz

Solid-state spin systems including nitrogen-vacancy (NV) centers in diamond constitute an increasingly favored quantum sensing platform. However, present NV ensemble devices exhibit sensitivities orders of magnitude away from theoretical…

Nanodiamonds containing negatively charged nitrogen vacancy centres (${\text{NV}}^{-}$) have applications as localized sensors in biological material and have been proposed as a platform to probe the macroscopic limits of spatial…

Synthetic diamond production is key to the development of quantum metrology and quantum information applications of diamond. The major quantum sensor and qubit candidate in diamond is the nitrogen-vacancy (NV) color center. This lattice…

The Nitrogen-vacancy (NV) center in diamond plays important roles in emerging quantum technologies. Currently available methods to fabricate the NV center often involve complex processes such as N implantation. By contrast, in a…

材料科学 · 物理学 2021-12-22 Duo Wang , Lei Liu , Houlong L. Zhuang

We demonstrate fluorescence thermometry techniques with sensitivities approaching 10 mK Hz^(-1/2) based on the spin-dependent photoluminescence of nitrogen vacancy (NV) centers in diamond. These techniques use dynamical decoupling protocols…

介观与纳米尺度物理 · 物理学 2013-05-24 David M. Toyli , Charles F. de las Casas , David J. Christle , Viatcheslav V. Dobrovitski , David D. Awschalom

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…

介观与纳米尺度物理 · 物理学 2019-03-13 M. S. J. Barson , P. M. Reddy , S. Yang , N. B. Manson , J. Wrachtrup , M. W. Doherty

Diamond is a host for a wide variety of colour centres that have demonstrated outstanding optical and spin properties. Among them, the nitrogen-vacancy (NV) centre is by far the most investigated owing to its superior characteristics, which…

应用物理 · 物理学 2020-11-26 J. Achard , V. Jacques , A. Tallaire

The realization of scalable arrangements of nitrogen vacancy (NV) centers in diamond remains a key challenge on the way towards efficient quantum information processing, quantum simulation and quantum sensing applications. Although…