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Phys. Rev. A 80, 053807 (2009) [7 pages]

Loss compensation in metal-dielectric structures in negative-refraction and super-resolving regimes

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M. A. Vincenti1,2,*, D. de Ceglia2, V. Rondinone1, A. Ladisa1, A. D’Orazio1, M. J. Bloemer2, and M. Scalora2
1Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, Via Orabona 4, 70025 Bari, Italy
2Charles M. Bowden Research Center, AMSRD-AMR-WS-ST, Redstone Arsenal, Alabama 35898-5000, USA

Received 29 July 2009; published 5 November 2009

We study the influence of gain on negative refraction and super-resolution in transparent resonant metal-dielectric photonic band gap structures in the visible and near infrared ranges. We find that while the introduction of gain can compensate for losses caused by the excitation of surface waves, it also improves the resolving characteristics of the lens and leads to gain-tunable super-resolution.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.80.053807
DOI:
10.1103/PhysRevA.80.053807
PACS:
42.25.Bs, 42.25.Fx, 42.70.Qs, 42.79.Ag

*vincenti@deemail.poliba.it