Autler-Townes spectroscopy of the $5S_{1/2}-5P_{3/2}-44D$ cascade of cold ${}^{85}$Rb atoms

Abstract

We study nonlinear optical effects in the laser excitation of Rydberg states. $5S_{1/2}$ and $5P_{3/2}$ levels of ${}^{85}$Rb are strongly coupled by a strong laser field and probed by a weak laser tuned to the $5P_{3/2}-44D$ Rydberg resonance. We observe high contrast Autler-Townes spectra which are dependent on the pump polarization, intensity and detuning. The observed behavior agrees with calculations, which include the effect of optical pumping.

arXiv commentTo be Published in Phys Rev A

References in corpus (2)

• Dipole Blockade and Quantum Information Processing in Mesoscopic Atomic Ensembles
• Fast quantum gates for neutral atoms

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