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physics.atom-ph2011★ 137 cited
Two-dimensional double-quantum spectra reveal collective resonances in an atomic vapor
Xingcan Dai, Marten Richter, Hebin Li +4
We report the observation of double-quantum coherence signals in a gas of potassium atoms at twice the frequency of the one-quantum coherences. Since a single atom does not have a…
physics.atom-ph2010★ 72 cited
Two-dimensional Fourier-transform Spectroscopy of Potassium Vapor
X. Dai, A. D. Bristow, D. Karaiskaj +1
Optical two-dimensional Fourier-transformed (2DFT) spectroscopy is used to study the coherent optical response of potassium vapor in a thin transmission cell. Rephasing and non-rep…