Publications (15)
Quantum error correction in a solid-state hybrid spin register
G. Waldherr, Y. Wang, S. Zaiser +7
Hybrid quantum systems seek to combine the strength of its constituents to master the fundamental conflicting requirements of quantum technology: fast and accurate systems control…
Scalable quantum register based on coupled electron spins in a room temperature solid
P. Neumann, R. Kolesov, B. Naydenov +12
Realization of devices based on quantum laws might lead to building processors that outperform their classical analogues and establishing unconditionally secure communication proto…
The excited state structure of the nitrogen-vacancy center in diamond
Ph. Tamarat, N. B. Manson, R. L. McMurtie +7
Optical and microwave double resonance techniques are used to obtain the excited state structure of single nitrogen-vacancy centers in diamond. The excited state is an orbital doub…
Photo induced ionization dynamics of the nitrogen vacancy defect in diamond investigated by single shot charge state detection
N. Aslam, G. Waldherr, P. Neumann +2
The nitrogen-vacancy centre (NV) has drawn much attention for over a decade, yet detailed knowledge of the photophysics needs to be established. Under typical conditions, the NV ca…
Room temperature coherent control of coupled single spins in solid
T. Gaebel, M. Domhan, I. Popa +11
Coherent coupling between single quantum objects is at the heart of modern quantum physics. When coupling is strong enough to prevail over decoherence, it can be used for the engin…
Coherence of single spins coupled to a nuclear spin bath of varying density
N. Mizuochi, P. Neumann, F. Rempp +9
The dynamics of single electron and nuclear spins in a diamond lattice with different 13C nuclear spin concentration is investigated. It is shown that coherent control of up to thr…
Low temperature studies of the excited-state structure of Nitrogen-Vacancy color centers in diamond
A. Batalov, V. Jacques, F. Kaiser +7
We report a study of the 3E excited-state structure of single nitrogen-vacancy (NV) defects in diamond, combining resonant excitation at cryogenic temperatures and optically detect…
Violation of a temporal Bell inequality for single spins in solid by over 50 standard deviations
G. Waldherr, P. Neumann, S. F. Huelga +2
Quantum non-locality has been experimentally investigated by testing different forms of Bell's inequality, yet a loophole-free realization has not been achieved up to now. Much les…
Dark states of single NV centers in diamond unraveled by single shot NMR
G. Waldherr, J. Beck, M. Steiner +5
The nitrogen-vacancy (NV) center in diamond is supposed to be a building block for quantum computing and nanometer scale metrology at ambient conditions. Therefore, precise knowled…
Dynamic polarization of single nuclear spins by optical pumping of NV color centers in diamond at room temperature
V. Jacques, P. Neumann, J. Beck +7
We report a versatile method to efficiently polarize single nuclear spins in diamond, which is based on optical pumping of a single NV color center and mediated by a level-anti cro…
Coherence properties of photons emitted by single defect centers in diamond
A. Batalov, C. Zierl, T. Gaebel +6
Photon interference among distant quantum emitters is a promising method to generate large scale quantum networks. Interference is best achieved when photons show long coherence ti…
Universal enhancement of the optical readout fidelity of single electron spins
M. Steiner, P. Neumann, J. Beck +2
Precise readout of spin states is crucial for any approach towards physical realization of a spin-based quantum computer and for magnetometry with single spins. Here, we report a n…
Excited-state spectroscopy of single NV defects in diamond using optically detected magnetic resonance
P. Neumann, R. Kolesov, V. Jacques +8
Using pulsed optically detected magnetic resonance techniques, we directly probe electron-spin resonance transitions in the excited-state of single Nitrogen-Vacancy color centers i…
Microwave-assisted cross-polarization of nuclear spin ensembles from optically-pumped nitrogen-vacancy centers in diamond
F. Shagieva, S. Zaiser, P. Neumann +6
The ability to optically initialize the electronic spin of the nitrogen-vacancy (NV) center in diamond has long been considered a valuable resource to enhance the polarization of n…
Semantic interoperability and characterization of data provenance in computational molecular engineering
M. T. Horsch, C. Niethammer, G. Boccardo +11
By introducing a common representational system for metadata that describe the employed simulation workflows, diverse sources of data and platforms in computational molecular engin…