A Scanning Magnetometer with Nitrogen-Vacancy Spins in a Fiber-Coupled Diamond Nanobeam
Yufan Li (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
Gesa Welker (Kavli institute of nanoscience Delft, TU Delft - Applied Sciences)
Richard Norte (TU Delft - Applied Sciences, TU Delft - Mechanical Engineering, Kavli institute of nanoscience Delft)
Toeno van der Sar (TU Delft - Applied Sciences, 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.