This paper demonstrates the implementation of quantum sensing protocols for AC magnetic fields using molecular spin ensembles embedded in hybrid quantum circuits. Dynamical Decoupling protocols, synchronized with AC magnetic fields, enhance sensitivity up to S ≈ 10⁻¹⁰ − 10⁻⁹ THz⁻¹/² using only echo detection at microwave frequency and without optical readout. This work paves the way for using molecular spins as quantum sensors.
Publisher
npj Quantum Information
Published On
Apr 23, 2024
Authors
Claudio Bonizzoni, Alberto Ghirri, Fabio Santanni, Marco Affronte
Tags
quantum sensing
AC magnetic fields
molecular spins
dynamical decoupling
quantum sensors
hybrid quantum circuits
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