From Event: SPIE Quantum West, 2023
Here, we describe progress toward realization of a vector magnetometer based on all-optical excitation
of an atomic ensemble in a vapor cell under the conditions of electromagnetically induced transparency (EIT). The EIT resonance amplitudes depend on relative orientations of the three key vectors: laser wave-vector, polarization,
and the direction of the magnetic field. By analyzing possible two-photon transitions and their combinations, we can,
in principle, analytically calculate the amplitude of various EIT resonances as functions of the relative angles between
the magnetic field, polarization and laser propagation vectors. By locking the polarization to
one of these maxima, one can determine the plane formed by the magnetic field and the light wave vector to the
accuracy better than 0.001 rad. Analysis of the relative resonance amplitude may be used to extract the full information
about the magnetic field direction.
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Irina Novikova, Eugeniy Mikhailov, Mario Alberto González Maldonado, Alex Toytyla, Andrey Matsko, Jamie McKelvy, Isaac Fan, Yang Li, and John Kitching, "Vector atomic magnetometer based on EIT," Proc. SPIE PC12447, Quantum Sensing, Imaging, and Precision Metrology, PC124471X (Presented at SPIE Quantum West: January 31, 2023; Published: 9 March 2023); https://doi.org/10.1117/12.2657331.6321511533112.