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Sub- and super-radiance over macroscopic distances using a perfect lens with negative refraction

Juergen Kaestel·Michael Fleischhauer
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Abstract

Two atoms put at the foci of a perfect lens [J.B. Pendry, Phys. Ref. Lett. 85, 3966 (2000)] are shown to exhibit perfect sub- and super-radiance even over macroscopic distances limited only by the propagation length in the free-space decay time. If the left-handed material forming the perfect lens has nearly constant negative refraction and vanishing absorption over a spectral range larger than the natural linewidth, the imaginary part of the retarded Greens-function between the two focal points is identical to the one at the same spatial position and the atoms undergo a Markovian dynamics. Collective decay rates and level shifts are calculated from the Greens-function of the Veselago-Pendry lens and limitation as well as potential applications are discussed.

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Juergen Kaestel, Michael Fleischhauer. 2004-04-10. Sub- and super-radiance over macroscopic distances using a perfect lens with negative refraction. https://arxiv.org/abs/quant-ph/0404063

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