Double Lorentzian atomic prism

David J. Starling*, Steven M. Bloch, Praveen K. Vudyasetu, Joseph S. Choi, Bethany Little, John C. Howell

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


We present an atomic prism spectrometer that utilizes the steep linear dispersion between two strongly absorbing hyperfine resonances of rubidium. We resolve spectral lines 50 MHz apart and, utilizing a larger part of the available spectrum than only between the two resonances, we spatially separate collinear pump, signal, and idler beams resulting from a four-wave mixing process. Due to the high transparency possible between the resonances, these results have applications in the filtering of narrow-band entangled photons and interaction-free measurements.

Original languageAmerican English
Article number023826
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number2
StatePublished - 16 Aug 2012
Externally publishedYes


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