作者: Christopher Carr , Monsit Tanasittikosol , Armen Sargsyan , David Sarkisyan , Charles S. Adams
DOI: 10.1364/OL.37.003858
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摘要: We demonstrate electromagnetically induced transparency (EIT) in a four-level cascade system where the upper level is Rydberg state. The observed spectral features are sub-Doppler and can be enhanced due to compensation of Doppler shifts with AC Stark shifts. A theoretical description developed which agrees well experimental results an expression for optimum parameters derived.