Journal
PHYSICAL REVIEW A
Volume 91, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.91.063843
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Funding
- AFOSR MURI grant [FA9550-14-1-0037, LRIR-09RY04COR]
- NSF grant [ECCS-1128571]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1128571] Funding Source: National Science Foundation
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We introduce a class of metamaterials with uniformly balanced gain and loss associated with complex permittivity and permeability constants. The refractive index of such a balanced pseudopassive metamaterial is real. An unbounded uniform pseudopassive medium has transport characteristics similar to those of its truly passive and lossless counterpart with the same real refractive index. However, bounded pseudopassive samples show some unexpected scattering features which can be further emphasized by including such elements in a photonic structure.
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