Phase dependent interference effects on atomic excitation
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abstract
We present an experimental and theoretical study of phase-dependent interference effects in multi-photon excitation under bichromatic radio-frequency (rf) field. Using an intense rf pulse, we study the interference between the three-photon and one-photon transition between the Zeeman sub-levels of the ground state of 87Rb that allows us to determine the carrier-envelope phase of the fields even for long pulses. 2010 Elsevier B.V. All rights reserved.