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Frequency-comb Based Double-quantum Two-dimensional Coherent Spectroscopy Identifies Collective Hyperfine Resonances in Atomic Vapor Induced by Dipole-dipole Interactions by Lomsadze, Bachana; Cundiff, Steven T. is a scholarly article available to read on EtoBox.

What is Frequency-comb Based Double-quantum Two-dimensional Coherent Spectroscopy Identifies Collective Hyperfine Resonances in Atomic Vapor Induced by Dipole-dipole Interactions about?

Frequency comb based multidimensional coherent spectroscopy is a novel optical method that enables high resolution measurement in a short acquisition time. The method's resolution makes multidimensional coherent spectroscopy relevant for atomic systems that have narrow resonances. We use double-quantum multidimensional coherent spectroscopy to reveal collective hyperfine resonances in rubidium vapor at 100 C induced by dipole-dipole interactions. We observe tilted lineshapes in the double-quantum 2D spectra, which has never been reported for Doppler-broadened systems. The tilted lineshapes suggest that the signal is predominately from the interacting atoms that have near zero relative velocity.

Author

Lomsadze, Bachana; Cundiff, Steven T.

Published

2017

Language

EN