3 papers
quant-ph2026
Characterization of Autofluorescence in Optical Fibers for NV-based Sensing Applications
Stefan Johansson, Alexander Bukschat, Dennis Lönard +3
Optical fibers are crucial for guiding light in various sensing applications. Especially for quantum sensors such as the nitrogen-vacancy (NV) center in diamond, they enable light…
quant-ph2025
Limits of absolute vector magnetometry with NV centers in diamond
Dennis Lönard, Isabel Cardoso Barbosa, Stefan Johansson +2
The nitrogen-vacancy (NV) center in diamond has become a widely used platform for quantum sensing. The four NV axes in mono-crystalline diamond specifically allow for vector magnet…
physics.app-ph2025
Miniaturized magnetic-field sensor based on nitrogen-vacancy centers
Stefan Johansson, Dennis Lönard, Isabel Cardoso Barbosa +3
The nitrogen-vacancy (NV) center in diamond is a prime candidate for quantum sensing technologies. Here, we present a fully integrated and mechanically robust fiber-based endoscopi…