Low field Nano-NMR via three-level system control
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Física AplicadaPatrocinadores
J. C. acknowledges the support from Ministerio de Ciencia, Innovación y Universidades (Spain) (“Beatriz Galindo” Fellowship BEAGAL18/00081), S. O. C. is supported by the Fundación Ramón Areces postdoctoral fellowship (XXXI edition of grants for Postgraduate Studies in Life and Matter Sciences in Foreign Universities and Research Centers), and J. P. is grateful for financial support from Ministerio de Ciencia, Innovación y Universidades (Spain) Project No. PGC2018-097328-B-100, FEDER funds FIS2015-69512-R and Fundación Séneca (Murcia, Spain) Projects No. 19882/GERM/15.Fecha de publicación
2021-06Editorial
American Physical SocietyCita bibliográfica
J. Cerrillo, S. Oviedo Casado, and J. Prior. Low Field Nano-NMR via Three-Level System Control. Phys. Rev. Lett. 126, 220402 (2021). DOI: 10.1103/PhysRevLett.126.220402Revisión por pares
siPalabras clave
nitrogen-vacancyquantum sensing
control sequence
Raman configuration
nano-NMR
dynamical decoupling sequences
Resumen
Conventional control strategies for nitrogen-vacancy centers in quantum sensing are based on a two-level model of their triplet ground state. However, this approach fails in regimes of weak bias magnetic fields or strong microwave pulses, as we demonstrate. To overcome this limitation, we propose a novel control sequence that exploits all three levels by addressing a hidden Raman configuration with microwave pulses tuned to the zero-field transition. We report excellent performance in typical dynamical decoupling sequences, opening up the possibility for nano-NMR operation in low field environments.
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