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Strong light-matter interactions are critical for quantum technologies based on light, such as memories or nonlinear interactions. Solid state materials will be particularly important for such applications, because of the relative ease of…

The nitrogen-vacancy (NV) centre, as a promising candidate solid state system of quantum information processing, its electron spin coherence is influenced by the magnetic field fluctuations due to the local environment. In pure diamonds,…

Mesoscale and Nanoscale Physics · Physics 2011-04-08 Nan Zhao , Jian-Liang Hu , Sai-Wah Ho , Tsz-Kai Wen , R. B. Liu

The interplay between ion beam modification techniques in the MeV range and the controlled generation of negatively charged nitrogen-vacancy (NV-) centers in nitrogen-doped synthetic diamond crystals is explored. An experimental approach…

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…

Quantum Physics · Physics 2020-03-04 Alexandre Cooper , Won Kyu Calvin Sun , Jean-Christophe Jaskula , Paola Cappellaro

Nitrogen vacancy (NV) centers in diamond have distinct promise as solid-state qubits. This is because of their large dipole moment, convenient level structure and very long room-temperature coherence times. In general, a combination of ion…

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

Two dimensional electronic spectroscopy and transient grating measurements were performed, for the first time, on nitrogen-vacancy centers in diamond. These measurements reveal energy transfer and vibrational pathways with consequences for…

Mesoscale and Nanoscale Physics · Physics 2012-07-19 V. M. Huxter , T. A. A. Oliver , D. Budker , G. R. Fleming

We investigate native nitrogen (NV) and silicon vacancy (SiV) color centers in commercially available, heteroepitaxial, wafer-sized, mm thick, single-crystal diamond. We observe single, native NV centers with a density of roughly 1 NV per…

Diamond single crystals showing Infra-red features of pressurized CO2-I phase were studied using Transmission Electron Microscopy (TEM) and tomography. Numerous O-containing precipitates with sizes up to 45 nm are observed. The absolute…

Materials Science · Physics 2023-05-23 Andrei A. Shiryaev , Yurii Chesnokov , Alexander L. Vasiliev , Thomas Hainschwang

In this paper we present the results of a systematic numerical analysis of the channeling properties of electrons and positrons in oriented straight and periodically bent diamond(110) crystals. We analyse dependence of the intensity of the…

Accelerator Physics · Physics 2020-03-31 Alexander V. Pavlov , Andrei V. Korol , Vadim K. Ivanov , Andrey V. Solov'yov

The nitrogen-vacancy center in diamond attracts a lot of attention in sensing applications, mainly for temperature, magnetic field, and rotation measurements. Nuclear spins of carbon-13 surrounding the nitrogen-vacancy center can be used as…

We investigate nuclear spin hyperpolarization from nitrogen vacancy centers in isotopically enriched diamonds with $^{13}$C concentrations up to 100%. $^{13}$C enrichment leads to hyperfine structure of the nitrogen vacancy electron spin…

We present measurements of spin relaxation times (T_1, T_1,rho, T_2) on very shallow (<5 nm) nitrogen-vacancy (NV) centers in high-purity diamond single crystals. We find a reduction of spin relaxation times up to 30x compared to bulk…

Mesoscale and Nanoscale Physics · Physics 2014-05-15 T. Rosskopf , A. Dussaux , K. Ohashi , M. Loretz , R. Schirhagl , H. Watanabe , S. Shikata , K. M. Itoh , C. L. Degen

Nitrogen vacancy (NV-) color centers in diamond are a prime candidate for use in quantum information devices, owing to their spin-1 ground state, straightforward optical initialization and readout, and long intrinsic coherence times in a…

Quantum Physics · Physics 2015-06-19 Anna J. Parker , Hai-Jing Wang , Yiran Li , Alexander Pines , Jonathan P. King

We theoretically study the decoherence and the dynamical decoupling control of nitrogen-vacancy center electron spins in high-purity diamond, where the hyperfine interaction with $^{13}$C nuclear spins is the dominating decoherence…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Nan Zhao , Sai-Wah Ho , Ren-Bao Liu

A promising approach for multi-qubit quantum registers is to use optically addressable spins to control multiple dark electron-spin defects in the environment. While recent experiments have observed signatures of coherent interactions with…

We report on the systematic characterization of the optical properties of diamond color centers based on Pb impurities. An ensemble photoluminescence analysis of their spectral emission was performed at different excitation wavelengths in…

Nanodiamond (ND) hosting nitrogen-vacancy (NV) centers is a promising platform for quantum sensing applications. Sensitivity of the applications using NV centers in NDs is often limited due to presence of paramagnetic impurity contents near…

Materials Science · Physics 2019-06-21 Zaili Peng , Timur Biktagirov , Franklin H. Cho , Uwe Gerstmann , Susumu Takahashi

Nitrogen Vacancy (NV) centers in diamond are a platform for several important quantum technologies, including sensing, communication and elementary quantum processors. In this letter we demonstrate the creation of NV centers by implantation…

Quantum Physics · Physics 2021-08-11 K. Groot-Berning , G. Jacob , C. Osterkamp , F. Jelezko , F. Schmidt-Kaler

The negatively charged silicon vacancy (SiV) color center in diamond has recently proven its suitability for bright and stable single photon emission. However, its electronic structure so far has remained elusive. We here explore the…

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