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We propose a novel concept of left-handed metamaterial assembly bysemiconductor based low-dimensional quantum structures. We theoreticallydemonstrate the left-handed material, combined from low-dimensionalsemiconductor quantum wells or quantum dots. One of the most importantadvantages of the proposed scheme is the possible controllability of materialregime and the ability to invert the material losses to gain by using active,pumped quantum structure

Nonmetallic left-handed material based on negative-positive anisotropy in low-dimensional quantum structures