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Dresden 2006 – scientific programme

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HL: Halbleiterphysik

HL 39: Symposium Photonic metamaterials

HL 39.4: Fachvortrag

Thursday, March 30, 2006, 12:30–13:00, HSZ 01

Negative refraction without absorption in the optical regime — •Michael Fleischhauer — Fachbereich Physik, Technische Universitaet Kaiserslautern, 67763 Kaiserslautern

Negative refraction can lead to a number of interesting effects and applications in quantum electrodynamics and laser physics. Among them are strong radiative coupling between atoms over mesoscopic distances, the modified Purcell effect or the possibility for zero-optical length resonators. These effects require however low-loss negative refraction in the optical regime which has not been achieved so far. After a short review of QED effects in negative-index materials I will discuss a theoretical proposal for resonantly enhanced chirality and negative refraction without absorption based on electromagnetically induced transparency.

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