Electrical read out for coherent phenomena involving Rydberg atoms in thermal vapor cells

Abstract

We present a very sensitive and scalable method to measure the population of highly excited Rydberg states in a thermal vapor cell of rubidium atoms. We detect the Rydberg ionization current in a 5 mm electrically contacted cell. The measured current is found to be in excellent agreement with a theory for the Rydberg population based on a master equation for the three level problem including an ionization channel and the full Doppler distributions at the corresponding temperatures. The signal-to-noise ratio of the current detection is substantially better than purely optical techniques.

4 pages, 4 figures

References in corpus (6)

• Observation of mesoscopic crystalline structures in a two-dimensional Rydberg gas
• Giant electro-optic effect using polarizable dark states
• Electric-field induced dipole blockade with Rydberg atoms
• Spatially Resolved Excitation of Rydberg Atoms and Surface Effects on an Atom Chip
• Evidence for strong van der Waals-type Rydberg-Rydberg interaction in thermal vapor
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