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. 2011 Oct 14;107(16):163604.
doi: 10.1103/PhysRevLett.107.163604. Epub 2011 Oct 12.

Objectively discerning Autler-Townes splitting from electromagnetically induced transparency

Petr M Anisimov  1 , Jonathan P Dowling, Barry C Sanders
Affiliations

Objectively discerning Autler-Townes splitting from electromagnetically induced transparency

Petr M Anisimov et al. Phys Rev Lett. .

Abstract

Autler-Townes splitting (ATS) and electromagnetically induced transparency (EIT) both yield transparency in an absorption profile, but only EIT yields strong transparency for a weak pump field due to Fano interference. Empirically discriminating EIT from ATS is important but so far has been subjective. We introduce an objective method, based on Akaike's information criterion, to test ATS vs EIT from experimental data for three-level atomic systems and determine which pertains. We apply our method to a recently reported induced-transparency experiment in superconducting-circuit quantum electrodynamics.

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