Abstract
The resonance fluorescence spectra of an atom can be significantly modified by the presence of a strong multichromatic field. In particular, it is now well known [ 1 ] that the fluorescence spectrum of a two-level atom driven by a bichromatic field consists of a central component and a series of sidebands separated by integer multiples of the modulation frequency of the driving field components. This is in stark contrast with the spectra under monochromatic excitation [2], in which one observes only the central component and two sidebands displaced from it by the Rabi frequency of the driving field. There have now been several experiments which examine these unusual spectral features [3], as well as the phase-dependent atomic dynamics [4].The resonance fluorescence spectra of an atom can be significantly modified by the presence of a strong multichromatic field. In particular, it is now well known [ 1 ] that the fluorescence spectrum of a two-level atom driven by a bichromatic field consists of a central component and a series of sidebands separated by integer multiples of the modulation frequency of the driving field components. This is in stark contrast with the spectra under monochromatic excitation [2], in which one observes only the central component and two sidebands displaced from it by the Rabi frequency of the driving field. There have now been several experiments which examine these unusual spectral features [3], as well as the phase-dependent atomic dynamics [4].
© 1996 Optical Society of America
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