Few-photon transport in low-dimensional systems: Interaction-induced radiation trapping

Details Few-photon transport in low-dimensional systems: Interaction-induced radiation trapping Few-photon transport in low-dimensional systems: Interaction-induced radiation trapping

2010-01-19

arxiv.org/abs/1001.3299v1

Phys. Rev. Lett. 104, 023602 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevLett.104.023602

We present a detailed analysis of the dynamics of photon transport in waveguiding systems in the presence of a two-level system. In these systems, quantum interference effects generate a strong effective optical nonlinearity on the few-photon level. We clarify the relevant physical mechanisms through an appropriate quantum many-body approach. Based on this, we demonstrate that a single-particle photon-atom bound state with an energy outside the band can be excited via multi-particle scattering processes. We further show that these trapping effects are robust and, therefore, will be useful for the control of photon entanglement in solid-state based quantum optical systems.

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