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Berlin 2012 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 93: Poster Session: Metal-Semiconductor Hybrid Systems, Plasmonic Systems / Photonic Crystals / Carbon: Diamond & CNT / Quantum Information Systems

HL 93.15: Poster

Thursday, March 29, 2012, 16:00–19:00, Poster D

Wave packet dynamics of coherent states in waveguiding structures with quantum emitters — •Julia F. M. Werra1, Paolo Longo1, and Kurt Busch21Institut für Theoretische Festkörperphysik, Karlsruher Institut für Technologie, 76128 Karlsruhe, Germany — 2Humboldt-Universität zu Berlin, Institut für Physik, AG Theoretische Optik, Newtonstr. 15, 12489 Berlin, and Max-Born-Institut, Max--Born--Str. 2A, 12489 Berlin, Germany

We present our recent results on the wave packet dynamics of coherent states in waveguiding structures coupled to artificial atoms. Physical realizations of such systems include coupled-resonator optical waveguides, defect structures in tailored nanophotonic media and microwave photonics in superconducting circuits.

The differences of the transport properties between a coherent state and a single-photon Fock state ([1]-[4]) in terms of various parameters such as the atom-photon coupling strength and the intensity of the light field is investigated numerically. Furthermore, quantum effects such as the atom-photon bound-state, which is a spatially localized, mixed excitation of light and matter, and nonlinear effects such as self-induced transparency that does not occur in the single-photon case are compared to the known results on single-photon excitations ([2]-[4]).

[1] J. T. Shen and S. Fan, Phys. Rev. Lett. 98, 153003 (2007)

[2] P. Longo e al., J. Opt. A: Pure Appl. Opt. 11, 114009 (2009)

[3] P. Longo et al., Phys. Rev. Lett. 104, 023602 (2010)

[4] P. Longo et al., Physical Review A 83, 063828 (2011)

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