Three-photon electromagnetically induced transparency using Rydberg states

We demonstrate electromagnetically induced transparency in a four-level cascade system where the upper level is a Rydberg state. The observed spectral features are sub-Doppler and can be enhanced due to the compensation of Doppler shifts with AC Stark shifts. A theoretical description of the system...

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Bibliographic Details
Published in:Optics letters 2012-09, Vol.37 (18), p.3858-3860
Main Authors: Carr, Christopher, Tanasittikosol, Monsit, Sargsyan, Armen, Sarkisyan, David, Adams, Charles S, Weatherill, Kevin J
Format: Article
Language:English
Subjects:
Cascades
Compensation
Doppler effect
Optimization
Rydberg states
Spectra
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Summary:We demonstrate electromagnetically induced transparency in a four-level cascade system where the upper level is a Rydberg state. The observed spectral features are sub-Doppler and can be enhanced due to the compensation of Doppler shifts with AC Stark shifts. A theoretical description of the system is developed that agrees well with the experimental results, and an expression for the optimum parameters is derived.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.37.003858