activity
20102023
most citedRoom temperature entanglement between distant single spins in diamond

474 citations · 5.4k across the 38 of their papers we have counts for

collaborators

38 papers

quant-ph2023

Characterization of the photon emission statistics in nitrogen-vacancy centers

Iván Panadero, Hilario Espinós, Lucas Tsunaki +7

We model and experimentally demonstrate the full time-dependent counting statistics of photons emitted by a single nitrogen-vacancy (NV) center in diamond under non-resonant laser…

cond-mat.mtrl-sci2020★ 45 cited

Efficient Conversion of Nitrogen to Nitrogen-Vacancy Centers in Diamond Particles with High-Temperature Electron Irradiation

Yuliya Mindarava, Rémi Blinder, Christian Laube +9

Fluorescent nanodiamonds containing negatively-charged nitrogen-vacancy (NV) centers are promising for a wide range of applications, such as for sensing, as fluorescence biomar…

quant-ph2018★ 31 cited

Coherent control of solid state nuclear spin nano-ensembles

Thomas Unden, Nikolas Tomek, Timo Weggler +11

Detecting and controlling nuclear spin nano-ensembles is crucial for the further development of nuclear magnetic resonance (NMR) spectroscopy and for the emerging solid state quant…

quant-ph2018★ 61 cited

Controllable Non-Markovianity for a Spin Qubit in Diamond

Jan F. Haase, Philipp J. Vetter, Thomas Unden +7

We present a flexible scheme to realize non-artificial non-Markovian dynamics of an electronic spin qubit, using a nitrogen-vacancy center in diamond where the inherent nitrogen sp…

quant-ph2017★ 8 cited

Unambiguous nuclear spin detection using engineered quantum sensing sequence

Zijun Shu, Zhendong Zhang, Qingyun Cao +9

Sensing, localising and identifying individual nuclear spins or frequency components of a signal in the presence of a noisy environments requires the development of robust and sele…

quant-ph2017★ 15 cited

Low field nuclear polarization using Nitrogen Vacancy centers in diamonds

Yonatan Hovav, Boris Naydenov, Fedor Jelezko +1

It was recently demonstrated that bulk nuclear polarization can be obtained using Nitrogen Vacancy (NV) color centers in diamonds, even at ambient conditions. This is based on the…

quant-ph2017★ 31 cited

Protecting quantum spin coherence of nanodiamonds in living cells

Q. -Y. Cao, P. -C. Yang, M. -S. Gong +9

Due to its superior coherent and optical properties at room temperature, the nitrogen-vacancy (N-V ) center in diamond has become a promising quantum probe for nanoscale quantum se…

quant-ph2017★ 149 cited

Pulsed polarisation for robust DNP

Ilai Schwartz, Jochen Scheuer, Benedikt Tratzmiller +8

Dynamical nuclear polarisation (DNP) is an important technique that uses polarisation transfer from electron to nuclear spins to achieve nuclear hyperpolarisation. As the electron…

quant-ph2017★ 71 cited

Towards hyperpolarization of oil molecules via nitrogen-vacancy centers in diamond

P. Fernández-Acebal, O. Rosolio, J. Scheuer +10

Efficient polarization of organic molecules is of extraordinary relevance when performing nuclear magnetic resonance (NMR) and imaging. Commercially available routes to dynamical n…

cond-mat.mtrl-sci2017★ 25 cited

Mapping the local spatial charge in defective diamond by means of NV sensors - A "self-diagnostic" concept

J. Forneris, S. Ditalia Tchernij, P. Traina +11

Electrically-active defects have a significant impact on the performance of electronic devices based on wide band-gap materials such as diamond. This issue is ubiquitous in diamond…

quant-ph2017★ 375 cited

Sub-millihertz magnetic spectroscopy with a nanoscale quantum sensor

Simon Schmitt, Tuvia Gefen, Felix M. Stürner +13

Precise timekeeping is critical to metrology, forming the basis by which standards of time, length and fundamental constants are determined. Stable clocks are particularly valuable…

quant-ph2017★ 47 cited

Robust techniques for polarization and detection of nuclear spin ensembles

Jochen Scheuer, Ilai Schwartz, Samuel Müller +5

Highly sensitive nuclear spin detection is crucial in many scientific areas including nuclear magnetic resonance spectroscopy (NMR), imaging (MRI) and quantum computing. The tiny t…

quant-ph2017★ 29 cited

Autonomous Calibration of Single Spin Qubit Operations

Florian Frank, Thomas Unden, Jonathan Zoller +5

Fully autonomous precise control of qubits is crucial for quantum information processing, quantum communication, and quantum sensing applications. It requires minimal human interve…

cond-mat.mes-hall2016★ 42 cited

Towards optimized surface -profiles of nitrogen-vacancy centers activated by helium irradiation in diamond

F. Favaro de Oliveira, S. A. Momenzadeh, D. Antonov +6

The negatively-charged nitrogen-vacancy (NV) center in diamond has been shown recently as an excellent sensor for external spins. Nevertheless, their optimum engineering in the nea…

quant-ph2016★ 162 cited

Quantum metrology enhanced by repetitive quantum error correction

Thomas Unden, Priya Balasubramanian, Daniel Louzon +11

The accumulation of quantum phase in response to a signal is the central mechanism of quantum sensing, as such, loss of phase information presents a fundamental limitation. For thi…

quant-ph2016★ 74 cited

Optically induced dynamic nuclear spin polarisation in diamond

Jochen Scheuer, Ilai Schwartz, Qiong Chen +10

The sensitivity of Magnetic Resonance Imaging (MRI) depends strongly on nuclear spin polarisation and, motivated by this observation, dynamical nuclear spin polarisation has recent…

quant-ph2015★ 8 cited

Accelerated 2D magnetic resonance spectroscopy of single spins using matrix completion

Jochen Scheuer, Alexander Stark, Matthias Kost +3

Two dimensional nuclear magnetic resonance (NMR) spectroscopy is one of the major tools for analysing the chemical structure of organic molecules and proteins. Despite its power, t…

cond-mat.mes-hall2015★ 51 cited

Stabilizing shallow color centers in diamond created by nitrogen delta-doping using SF plasma treatment

Christian Osterkamp, Johannes Lang, Jochen Scharpf +5

Here we report the fabrication of stable, shallow (< 5 nm) nitrogen-vacancy (NV) centers in diamond by nitrogen delta doping at the last stage of the chemical vapor deposition (CVD…

cond-mat.mtrl-sci2015★ 3 cited

A Germanium-Vacancy Single Photon Source in Diamond

Takayuki Iwasaki, Fumitaka Ishibashi, Yoshiyuki Miyamoto +13

Color centers in diamond are widely recognized as a promising solid state platform for quantum cryptography and quantum information processing. For these applications, single photo…

cond-mat.mes-hall2014★ 14 cited

Isotopic identification of engineered nitrogen-vacancy spin qubits in ultrapure diamond

T. Yamamoto, S. Onoda, T. Ohshima +15

Nitrogen impurities help to stabilize the negatively-charged-state of NV in diamond, whereas magnetic fluctuations from nitrogen spins lead to decoherence of NV qubits. It…

quant-ph2014★ 57 cited

Strong driving of a single spin using arbitrarily polarized fields

P. London, P. Balasubramanian, B. Naydenov +2

The strong driving regime occurs when a quantum two-level system is driven with an external field whose amplitude is greater or equal to the energy splitting between the system's s…

quant-ph2014★ 261 cited

Spectroscopy of Surface-Induced Noise Using Shallow Spins in Diamond

Y. Romach, C. Muller, T. Unden +11

We report on the noise spectrum experienced by few nanometer deep nitrogen-vacancy centers in diamond as a function of depth, surface coating, magnetic field and temperature. Analy…

quant-ph2013★ 56 cited

Strongly Coupled Diamond Spin Qubits by Molecular Nitrogen Implantation

Takashi Yamamoto, Christoph Müller, Liam P. McGuinness +7

Ionized nitrogen molecules (N) are used as efficient point sources for creating NV pairs in diamond with nanoscale spatial separation and up to 55 kHz magnetic c…

cond-mat.mes-hall2013★ 174 cited

Detection of a single fundamental charge with nanoscale resolution in ambient conditions using the NV center in diamond

Florian Dolde, Marcus W. Doherty, Julia Michl +8

Single charge detection with nanoscale spatial resolution in ambient conditions is a current frontier in metrology that has diverse interdisciplinary applications. Here, such singl…