Berlin 2014 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 30: Poster: Photonics, laser development and applications, ultrashort laser pulses, quantum effects

Q 30.81: Poster

Dienstag, 18. März 2014, 16:30–18:30, Spree-Palais

Collective Emission from Interacting Two-Level Atoms on a Lattice — •Paolo Longo and Jörg Evers — Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg

We investigate the collective emission from interacting two-level atoms on a one-dimensional lattice.

In particular, we focus on the regime of an extended sample, which can be realized in prototypic, basic quantum-optical systems ranging from cold atoms trapped in an optical lattice [1] over photonic realizations based on coupled resonators [2] to synchrotron-based x-ray experiments with thin-film cavities [3,4]. This diversity demands for a generic description that captures the essential physical mechanisms (such as aspects of coherence and interactions) independent of the actual physical realization. We propose such a generic description and study its properties based on the dissipative few-excitation eigenstates (including scattering states and bound states) as well as the physical implications with regard to the signatures that emerge when the system is probed optically.

[1] D. Jacksch et al., Annals of Physics 315, 52 (2005).

[2] M. I. Makin et al., Phys. Rev. A 80, 043842 (2009).

[3] R. Röhlsberger et al., Science 328, 1248 (2010).

[4] K. P. Heeg et al., Phys. Rev. Lett. 111, 073601 (2013).

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