Spectra of coherent resonant light pulses interacting with a two-level atom in 
a waveguide

Werra, Julia F.; Longo, Paolo; Busch, Kurt

doi:10.1103/PhysRevA.87.063821

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Spectra of coherent resonant light pulses interacting with a two-level atom in a waveguide

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Longo, Paolo
Institut für Theoretische Festkörperphysik, Karlsruhe Institute of Technology (KIT),;
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

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http://link.aps.org/doi/10.1103/PhysRevA.87.063821
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Citation

Werra, J. F., Longo, P., & Busch, K. (2013). Spectra of coherent resonant light pulses interacting with a two-level atom in a waveguide. Physical Review A, 87(6): 063821, pp. 1-5. doi:10.1103/PhysRevA.87.063821.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-F3DD-B

Abstract

We present a theoretical analysis of the spectral features of coherent light pulses traveling in a one-dimensional waveguide with an embedded two-level quantum system. In particular, we clarify and explain the relevant physical mechanisms that lead to a rich variety of distinct features in the spectrum of the scattered light. This includes the phenomenon of discrete steps in the transmitted intensity as a function of the excitation amplitude, frequency mixing as a consequence of cascaded nonlinear processes, and the role of atom-photon bound states.