Phys. Rev. A 66, 043416 (2002) [4 pages]Accessing photon number via an atomic time intervalReceived 28 January 2002; published 24 October 2002 We show that Rabi resonances can be used to assess field strength in terms of time at the atomic level. Rabi resonances are enhancements in the amplitude of atomic population oscillations when the Rabi frequency, Ω, “matches” a field-modulation frequency, ωm. We demonstrate that Ω=2κωm and find that κ=1.03±0.05. Since Ω is defined by field strength (i.e., photon number) through atomic constants, and ωm may be referenced to an atomic clock, our work shows that Rabi resonances provide a connection between time and photon number. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.66.043416
DOI:
10.1103/PhysRevA.66.043416
PACS:
32.80.-t, 06.20.-f, 39.30.+w
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