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Polarization-assisted Vector Magnetometry in Zero Bias Field with an Ensemble of Nitrogen-Vacancy Centers in Diamond

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arxiv 1701.01089 v1 pith:MJNK5RGF submitted 2017-01-04 cond-mat.mes-hall cond-mat.other

Polarization-assisted Vector Magnetometry in Zero Bias Field with an Ensemble of Nitrogen-Vacancy Centers in Diamond

Franz M\"unzhuber , Johannes Kleinlein , Tobias Kiessling , Laurens W. Molenkamp This is my paper
classification cond-mat.mes-hall cond-mat.other
keywords fieldbiasmagneticvectorcentersdiamondensembleexternal
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We demonstrate vector magnetometry with an ensemble of nitrogen-vacancy (NV) centers in diamond without the need for an external bias field. The anisotropy of the electric dipole moments of the NV center reduces the ambiguity of the optically detected magnetic resonances upon polarized visible excitation. Further lifting of the remaining ambiguities is achieved via application of an appropriately linearly polarized microwave field, which enables suppression of spin-state transitions of a certain crystallographic NV orientation. This allows for the full vector reconstruction of small (less 0.1 mT) magnetic fields without an external bias field having to interfere with the magnetic structure.

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  1. Vector Magnetometry with Broadband Microwave Fields in Nitrogen-Vacancy Centers in Diamond

    quant-ph 2026-06 unverdicted novelty 6.0

    Simulation study of broadband microwave transmission through NV centers with orthogonal polarizations and DNN readout enables vector magnetometry at 5-100 pT/√Hz sensitivity down to 25 μT fields.