Coherent quantum beats: spectroscopy of energy differences masked by inhomogeneous broadening

Coherent quantum beats: spectroscopy of energy differences masked by inhomogeneous broadening

Precision spectroscopy of solid-state systems is challenging due to inhomogeneous broadening. We describe a technique -- coherent quantum beats -- that enables the measurement of small frequency shifts within an inhomogeneously broadened distribution while addressing the full ensemble. We show that...

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Bibliographic Details
Main Authors: Ramachandran, Harish D, Ford, Julia E, Vutha, Amar C
Format: Journal Article
Language:English
Published: 12-04-2023
Subjects:
Physics - Atomic Physics
Online Access:Get full text
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Summary:Precision spectroscopy of solid-state systems is challenging due to inhomogeneous broadening. We describe a technique -- coherent quantum beats -- that enables the measurement of small frequency shifts within an inhomogeneously broadened distribution while addressing the full ensemble. We show that the technique can be used to obtain improvements in signal size and spectral resolution, offering advantages for precision measurements in solids.
DOI:10.48550/arxiv.2304.06189