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arXiv 2009.01274physics.app-ph
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二维电子气作为低损耗双曲型超材料的基础

Two-Dimensional Electron Gas as a Basis for Low-Loss Hyperbolic Metamaterials

Michael A. Mastro

摘要:

双曲型超材料在光波导、半导体发光器件和太阳能电池中的应用受到金属层固有损耗的限制。双曲超材料的特征是由交替的金属层和电介质层的存在引起的。这项工作提出,金属基双曲超材料的有害损耗特性可以通过采用III族氮化物超晶格来最小化,其中二维电子气(2DEG)用作金属层。

英文摘要:

The implementation of hyperbolic metamaterials as component in optical waveguides, semiconductor light emitters and solar cells has been limited by the inherent loss in the metallic layers. The features of a hyperbolic metamaterial arise by the presence of alternating metal and a dielectric layers. This work proposes that the deleterious loss characteristic of metal-based hyperbolic metamaterials can be minimized by employing a III-nitride superlattice wherein a two-dimensional electron gas (2DEG) functions as the metallic layer.

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