期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 28, 期 16, 页码 1751-1754出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2016.2569565
关键词
THz guidance; birefringence; effective material loss; kagome lattice
A polarization maintaining ultra-low effective material loss based on slotted core kagome lattice fiber is proposed for terahertz (THz) wave propagation. Numerical study demonstrates that by using rectangular slotted air holes in the core of the kagome lattice exhibits simultaneously an ultra-high birefringence of 8.22x10(-2), an ultra-low effective material loss of 0.05 cm(-1), and a very low confinement loss of 4.13x10(-5) cm(-1) at the frequency of 1 THz. Further investigation shows that about half of the total mode power confines into the air slots at 50% core porosity. The proposed fiber can be used for polarization maintaining applications in THz regime.
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