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Extremely low material loss and dispersion flattened TOPAS based circular porous fiber for long distance terahertz wave transmission

机译:极低的材料损耗和色散平坦的TOPAS基圆形多孔纤维,可实现长距离太赫兹波传输

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摘要

In this paper, we present a porous-core circular photonic crystal fiber (PC-CPCF) with ultra-low material loss for efficient terahertz wave transmission. The full vector finite element method with an ideally matched layer boundary condition is used to characterize the wave guiding properties of the proposed fiber. At an operating frequency of 1 THz, simulated results exhibit an extremely low effective material loss of 0.043 cm (1), higher core power fraction of 47% and ultra-flattened dispersion variation of 0.09 ps/THz/cm. The effects of important design properties such as single mode operation, confinement loss and effective area of the fiber are investigated in the terahertz regime. Moreover, the proposed fiber can be fabricated using the capillary stacking or sol-gel technique and be useful for long distance transmission of terahertz waves. (C) 2016 Elsevier Inc. All rights reserved.
机译:在本文中,我们提出了一种具有超低材料损耗的多孔芯圆形光子晶体光纤(PC-CPCF),用于有效的太赫兹波传输。使用具有理想匹配层边界条件的全矢量有限元方法来表征所提出光纤的波导特性。在1 THz的工作频率下,模拟结果显示出0.043 cm(1)的极低有效材料损耗,47%的更高核心功率分数和0.09 ps / THz / cm的超平坦色散变化。在太赫兹状态下研究了重要设计特性的影响,例如单模操作,限制损耗和光纤的有效面积。而且,所提出的纤维可以使用毛细管堆叠或溶胶-凝胶技术来制造,并且对于太赫兹波的远距离传输是有用的。 (C)2016 Elsevier Inc.保留所有权利。

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