Nonclassical excitation for atoms in a squeezed vacuum

N. Ph Georgiades, E. S. Polzik, K. Edamatsu, H. J. Kimble, A. S. Parkins

Research output: Contribution to journalArticlepeer-review

290 Citations (Scopus)


The two-photon transition 6S1/26D5/2 is investigated for trapped atomic cesium excited by squeezed light. The rate R of two-photon excitation versus intensity I is observed to be consistent with the functional form R=1I+2I2, extending into a region with slope 1.3. This departure from the quadratic form for classical light sources is due to the fundamental alteration of atomic radiative processes by the nonclassical field.

Original languageEnglish
Pages (from-to)3426-3429
Number of pages4
JournalPhysical Review Letters
Issue number19
Publication statusPublished - 1995


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