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A subpicotesla diamond magnetometer
Thomas Wolf, Philipp Neumann, Kazuo Nakamura +3
Diamond defect centers are promising solid state magnetometers. Single centers allow for high spatial resolution field imaging but are limited in their magnetic field sensitivity t…
Modification of the Absorption Cross Section in the Optical Near-field
Moritz Striebel, Jeff F. Young, Jörg Wrachtrup +1
The optical interaction of light and matter is modeled as an oscillating dipole in a plane wave. We analyze absorption, scattering and extinction for this system by the energy flow…
Macroscopic quantum superposition of spin ensembles with ultra-long coherence times via superradiant masing
Liang Jin, Sen Yang, Jörg Wrachtrup +1
Macroscopic quantum phenomena such as lasers, Bose-Einstein condensates, superfluids, and superconductors are of great importance in foundations and applications of quantum mechani…
Electron Spin Decoherence in Silicon Carbide Nuclear Spin Bath
Li-Ping Yang, Christian Burk, Mattias Widmann +3
In this paper, we study the electron spin decoherence of single defects in silicon carbide (SiC) nuclear spin bath. We find that, although the natural abundance of (…
Nano-engineered Diamond Waveguide as a Robust Bright Platform for Nanomagnetometry Using Shallow Nitrogen Vacancy Centers
S. Ali Momenzadeh, Rainer J. Stöhr, Felipe Favaro de Oliveira +5
Photonic structures in diamond are key to most of its application in quantum technology. Here, we demonstrate tapered nano-waveguides structured directly onto the diamond substrate…
Coherent control of single spins in silicon carbide at room temperature
Matthias Widmann, Sang-Yun Lee, Torsten Rendler +15
Spins in solids are cornerstone elements of quantum spintronics. Leading contenders such as defects in diamond, or individual phosphorous dopants in silicon have shown spectacular…