التفاصيل البيبلوغرافية
| العنوان: |
Low-loss terahertz waveguide with InAs-graphene-SiC structure. |
| المؤلفون: |
De-Gang Xu, Yu-Ye Wang, Hong Yu, Jia-Qi Li, Zhong-Xiao Li, Chao Yan, Hao Zhang, Peng-Xiang Liu, Kai Zhong, Wei-Peng Wang, Jian-Quan Yao |
| المصدر: |
Chinese Physics B; May2014, Vol. 23 Issue 5, p1-1, 1p |
| مصطلحات موضوعية: |
SUBMILLIMETER waves, NONLINEAR waves, OPTOELECTRONICS, THEORY of wave motion, ELECTRIC properties of graphene, OPTICAL properties of graphene, FINITE element method, MATHEMATICAL models |
| مستخلص: |
We demonstrate a low-loss terahertz waveguide based on the InAs-graphene-SiC structure. By analyzing the terahertz waveguide proposed in this paper, we can obtain that it is the characteristic of a low transmission loss coefficient (αloss ≈ 0.55 dB/m) for fundamental mode (LP01) when the incident frequency is larger than 3.0 THz. The critical radii of the inside and outside cylinders have been found for the high-quality transmission. The large inside radius and the high transmission frequency result in a flat transmission loss coefficient curve. As a strictly two-dimensional material, the double graphene surface rings perform better to improve the quality of transmission mode. These results provide a new idea for the research of the long-distance THz waveguide. [ABSTRACT FROM AUTHOR] |
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