Coherent two-photon excitation by multiple light pulses

R. Teets, J. Eckstein, T. W. Hänsch

Research output: Contribution to journalArticle

Abstract

We have studied Doppler-free two-photon excitation of atoms with a train of phase-coherent standing-wave light pulses, originating from the same laser pulse. Quantum interference effects produce narrow spectral fringes which have a physical origin similar to that of Ramsey fringes. Linewidths much less than the Fourier-transform limit of an individual light pulse have been observed for the sodium 3S-5S transition; and a dramatic enhancement of the resonant signal is possible.

Original languageEnglish (US)
Pages (from-to)760-764
Number of pages5
JournalPhysical review letters
Volume38
Issue number14
DOIs
StatePublished - Jan 1 1977
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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