Imaging Components, Systems, and Processing

Dual-hole unit-based kagome lattice microstructure fiber for low-loss and highly birefringent terahertz guidance

[+] Author Affiliations
Md. Rabiul Hasan, Sanjida Akter, Tania Khatun

Rajshahi University of Engineering and Technology, Department of Electronics and Telecommunication Engineering, Rajshahi, Bangladesh

Ahmmed A. Rifat

University of New South Wales, School of Engineering and Information Technology, Canberra ACT, Australia

Md. Shamim Anower

Rajshahi University of Engineering and Technology, Department of Electrical and Electronic Engineering, Rajshahi, Bangladesh

Opt. Eng. 56(4), 043108 (Apr 21, 2017). doi:10.1117/1.OE.56.4.043108
History: Received January 25, 2017; Accepted April 4, 2017
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Abstract.  A low-loss microstructure fiber is numerically investigated for convenient transmission of polarization maintaining terahertz (THz) waves. The dual-hole units (DHUs) are used inside the core of the kagome lattice microstructure to achieve high birefringence and low effective material loss (EML). It is demonstrated that by rotating the axis of orientation of the DHUs, it is possible to obtain low EML of 0.052  cm1, low confinement loss of 0.01  cm1, and high birefringence of 0.0354 at 0.85 THz. It is also reported that the transmission properties of the proposed microstructure fiber are varied with rotation angle, core diameter, and operating frequencies. Other guiding characteristics, such as single-mode propagation, power fraction, and dispersion, are also discussed thoroughly.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Md. Rabiul Hasan ; Sanjida Akter ; Tania Khatun ; Ahmmed A. Rifat and Md. Shamim Anower
"Dual-hole unit-based kagome lattice microstructure fiber for low-loss and highly birefringent terahertz guidance", Opt. Eng. 56(4), 043108 (Apr 21, 2017). ; http://dx.doi.org/10.1117/1.OE.56.4.043108


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