Rubidium atom spectral lineshapes in high intensity electric fields near an optical nanofibre
Vandna Gokhroo,
Fam Le Kien,
Síle Nic Chormaic
Abstract:The integration of cold atomic systems with optical nanofibres is an increasingly important experimental platform. Here, we report on the spectra observed during a strongly driven, single-frequency, two-photon excitation of cold rubidium atoms near an optical nanofibre. At resonance, two competitive processes, namely a higher excitation rate and stronger pushing of atoms from the nanofibre due to resonance scattering, need to be considered. We discuss the processes that lead to the observed two-peak profile in… Show more
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