470 citations · 2.7k across the 32 of their papers we have counts for
33 papers
Performance Evaluation of a Diamond Quantum Magnetometer for Biomagnetic Sensing: A Phantom Study
Naota Sekiguchi, Yuta Kainuma, Motofumi Fushimi +10
We employ a dry-type phantom to evaluate the performance of a diamond quantum magnetometer with a high sensitivity of about from the viewpoint of practica…
High-Fidelity Electron Spin Gates for Scaling Diamond Quantum Register
Timo Joas, Florian Ferlemann, Roberto Sailer +9
Diamond is a promising platform for quantum information processing as it can host highly coherent qubits that could allow for the construction of large quantum registers. A prerequ…
Optical-power-dependent splitting of magnetic resonance in nitrogen-vacancy centers in diamond
Shuji Ito, Moeta Tsukamoto, Kensuke Ogawa +3
Nitrogen-vacancy (NV) centers in diamonds are a powerful tool for accurate magnetic field measurements. The key is precisely estimating the field-dependent splitting width of the o…
Demonstration of geometric diabatic control of quantum states
Kento Sasaki, Yuki Nakamura, Tokuyuki Teraji +2
Geometric effects can play a pivotal role in streamlining quantum manipulation. We demonstrate a geometric diabatic control, that is, perfect tunneling between spin states in a dia…
Long Rayleigh length confocal microscope: A fast evaluation tool for obtaining quantum properties of color centers
Yuta Masuyama, Chikara Shinei, Shuya Ishii +4
Color centers in wide band-gap semiconductors, which have superior quantum properties even at room temperature and atmospheric pressure, have been actively applied to quantum sensi…
Millimetre-scale magnetocardiography of living rats using a solid-state quantum sensor
Keigo Arai, Akihiro Kuwahata, Daisuke Nishitani +16
A key challenge in cardiology is the non-invasive imaging of electric current propagation occurring in the cardiovascular system at an intra-cardiac scale. A promising approach for…
Hyperpolarisation of external nuclear spins using nitrogen-vacancy centre ensembles
A. J. Healey, L. T. Hall, G. A. L. White +5
The nitrogen-vacancy (NV) centre in diamond has emerged as a candidate to non-invasively hyperpolarise nuclear spins in molecular systems to improve the sensitivity of nuclear magn…
Determining the position of a single spin relative to a metallic nanowire
J. F. da Silva Barbosa, M. Lee, P. Campagne-Ibarcq +9
The nanoscale localization of individual paramagnetic defects near an electrical circuit is an important step for realizing hybrid quantum devices with strong spin-microwave photon…
Effect of deep-defect excitation on mechanical energy dissipation of single-crystal diamond
Huanying Sun, Liwen Sang, Haihua Wu +7
The ultra-wide bandgap of diamond distinguishes it from other semiconductors, in that all known defects have deep energy levels that are inactive at room temperature. Here, we pres…
Spin coherence and depths of single nitrogen-vacancy centers created by ion implantation into diamond via screening masks
Shuntaro Ishizu, Kento Sasaki, Daiki Misonou +3
We characterize single nitrogen-vacancy (NV) centers created by 10-keV N+ ion implantation into diamond via thin SiO layers working as screening masks. Despite the relatively h…
Comparison of different methods of nitrogen-vacancy layer formation in diamond for widefield quantum microscopy
A. J. Healey, A. Stacey, B. C. Johnson +5
Thin layers of near-surface nitrogen-vacancy (NV) defects in diamond substrates are the workhorse of NV-based widefield magnetic microscopy, which has applications in physics, geol…
Microscopic imaging of elastic deformation in diamond via in-situ stress tensor sensors
D. A. Broadway, B. C. Johnson, M. S. J. Barson +12
The precise measurement of mechanical stress at the nanoscale is of fundamental and technological importance. In principle, all six independent variables of the stress tensor, whic…
Apparent delocalisation of the current flow in metallic wires observed with diamond nitrogen-vacancy magnetometry
J. -P. Tetienne, N. Dontschuk, D. A. Broadway +5
We report on a quantitative analysis of the magnetic field generated by a continuous current running in metallic micro-wires fabricated on an electrically insulating diamond substr…
The non-vanishing effect of detuning errors in dynamical decoupling based quantum sensing experiments
J. E. Lang, T. Madhavan, J. -P. Tetienne +6
Characteristic dips appear in the coherence traces of a probe qubit when dynamical decoupling (DD) is applied in synchrony with the precession of target nuclear spins, forming the…
Magnetic noise from ultra-thin abrasively deposited materials on diamond
S. E. Lillie, D. A. Broadway, N. Dontschuk +6
Sensing techniques based on the negatively charged nitrogen-vacancy (NV) centre in diamond have emerged as promising candidates to characterise ultra-thin and 2D materials. An outs…
Proximity-induced artefacts in magnetic imaging with nitrogen-vacancy ensembles in diamond
J. -P. Tetienne, D. A. Broadway, S. E. Lillie +6
Magnetic imaging with ensembles of nitrogen-vacancy (NV) centres in diamond is a recently developed technique that allows for quantitative vector field mapping. Here we uncover a s…
On-chip self-sensing enhancing actuation for MEMS/NEMS with large efficiency
Meiyong Liao, Liwen Sang, Tokuyuki Teraji +2
The implementation of on-chip MEMS/NEMS transducers for arbitrary resonators is difficult due to a number of difficulties such as material choice, large dissipation, restriction in…
Spin properties of dense near-surface ensembles of nitrogen-vacancy centres in diamond
J. -P. Tetienne, R. W. de Gille, D. A. Broadway +8
We present a study of the spin properties of dense layers of near-surface nitrogen-vacancy (NV) centres in diamond created by nitrogen ion implantation. The optically detected magn…
Photoluminescence excitation spectroscopy of SiV and GeV color center in diamond
Stefan Häußler, Gergő Thiering, Andreas Dietrich +8
Color centers in diamond are important quantum emitters for a broad range of applications ranging from quantum sensing to quantum optics. Understanding the internal energy level st…
Nitrogen-vacancy centers created by N ion implantation through screening SiO layers on diamond
Kazuki Ito, Hiroshi Saito, Hideyuki Watanabe +3
We report on an ion implantation technique utilizing a screening mask made of SiO to control both the depth profile and the dose. By appropriately selecting the thickness of th…
Protecting a diamond quantum memory by charge state control
Matthias Pfender, Nabeel Aslam, Patrick Simon +17
In recent years, solid-state spin systems have emerged as promising candidates for quantum information processing (QIP). Prominent examples are the Nitrogen-Vacancy (NV) center in…
Polarization- and frequency-tunable microwave circuit for selective excitation of nitrogen-vacancy spins in diamond
Johannes Herrmann, Marc A. Appleton, Kento Sasaki +4
We report on a planar microwave resonator providing arbitrarily polarized oscillating magnetic fields that enable selective excitation of the electronic spins of nitrogen-vacancy (…
All-optical initialization, readout, and coherent preparation of single silicon-vacancy spins in diamond
Lachlan J. Rogers, Kay D. Jahnke, Mathias H. Metsch +8
The silicon-vacancy () color center in diamond has attracted attention due to its unique optical properties. It exhibits spectral stability and indistinguishability…
Isotopically varying spectral features of silicon vacancy in diamond
Andreas Dietrich, Kay D. Jahnke, Jan M. Binder +4
The silicon-vacancy centre (SiV) in diamond has interesting vibronic features. We demonstrate that the zero phonon line position can be used to reliably identify the silicon isotop…