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Determination of the 3D Magnetic Field Vector Orientation with NV Centers in Diamond
Timo Weggler, Christian Ganslmayer, Florian Frank +3
Absolute knowledge about the magnetic field orientation plays a crucial role in single spin-based quantum magnetometry and the application toward spin-based quantum computation. In…
Efficient and robust signal sensing by sequences of adiabatic chirped pulses
Genko T. Genov, Yachel Ben-Shalom, Fedor Jelezko +2
We propose a scheme for sensing of an oscillating field in systems with large inhomogeneous broadening and driving field variation by applying sequences of phased, adiabatic, chirp…
Interaction of a heralded single photon with nitrogen-vacancy centers in a diamond
Maria Gieysztor, Marta Misiaszek, Joscelyn van der Veen +3
A simple, room-temperature, cavity- and vacuum-free interface for a photon-matter interaction is implemented. In the experiment, a heralded single photon generated by the process o…
Quantum Metrology with Strongly Interacting Spin Systems
Hengyun Zhou, Joonhee Choi, Soonwon Choi +10
Quantum metrology makes use of coherent superpositions to detect weak signals. While in principle the sensitivity can be improved by increasing the density of sensing particles, in…
Discovery of ST1 centers in natural diamond
Priyadharshini Balasubramanian, Mathias H. Metsch, Prithvi Reddy +4
The ST1 center is a point defect in diamond with bright fluorescence and a mechanism for optical spin initialization and readout. The center has impressive potential for applicatio…
Randomisation of Pulse Phases for Unambiguous and Robust Quantum Sensing
Zhen-Yu Wang, Jacob E. Lang, Simon Schmitt +6
We develop theoretically and demonstrate experimentally a universal dynamical decoupling method for robust quantum sensing with unambiguous signal identification. Our method uses r…