A Scanning Magnetometer with Nitrogen-Vacancy Spins in a Fiber-Coupled Diamond Nanobeam
Y. Li (Kavli institute of nanoscience Delft, TU Delft - QN/vanderSarlab)
G. Welker (Kavli institute of nanoscience Delft, TU Delft - QN/vanderSarlab)
R. A. Norte (TU Delft - QN/Groeblacher Lab, TU Delft - Dynamics of Micro and Nano Systems, Kavli institute of nanoscience Delft)
Toeno Van Der Sar (TU Delft - QN/vanderSarlab, Kavli institute of nanoscience Delft)
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Abstract
We demonstrate scanning nitrogen-vacancy center magnetometry using a tapered diamond nanobeam optically coupled to a tapered optical fiber as the scanning probe, facilitating implementation of NV magnetometry in low-temperature setups and other challenging environments.