In this chapter we study the atomic spectra, a concept which depends on the detection type, heterodyning or homodyning. These spectra give information on the atom, the atom/field interaction and the properties of the emitted light. In particular we shall see the important phenomena of dynamical Stark effect and of squeezing of the fluorescence light.
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Barchielli, A., Gregoratti, M. (2009). A Two-Level Atom: Heterodyne and Homodyne Spectra. In: Quantum Trajectories and Measurements in Continuous Time. Lecture Notes in Physics, vol 782. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01298-3_9
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