Extremely High-Birefringent Asymmetric Slotted-Core Photonic Crystal Fiber in THz Regime

被引：64
|
作者：
Islam, Raonaqul [1 ]
Habib, Md. Selim [1 ,2 ]
Hasanuzzaman, G. K. M. [1 ]
Ahmad, Redwan [1 ,3 ]
Rana, Sohel [1 ]
Kaijage, Shubi Felix [4 ]
机构：
[1] Rajshahi Univ Engn & Technol, Dept Elect & Elect Engn, Rajshahi 6204, Bangladesh
[2] Tech Univ Denmark, Dept Photon Engn, DK-2800 Lyngby, Denmark
[3] Czech Tech Univ, Dept Electromagnet Field, Fac Elect Engn, Prague 16636, Czech Republic
[4] Nelson Mandela African Inst Sci & Technol, Dept Commun Sci & Engn, Sch Computat & Commun Sci & Engn, Arusha 87020900, Tanzania
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 21期
关键词：
Birefringence; polarization; photonic crystal fiber; porous-core; terahertz; TERAHERTZ FIBER; BROAD-BAND; POLARIZATION; FABRICATION; DISPERSION; DESIGN;
D O I：
10.1109/LPT.2015.2457673
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a thorough numerical analysis of a highly birefringent slotted porous-core circular photonic crystal fiber (PCF) for terahertz (THz) wave guidance. The slot shaped air-holes break the symmetry of the porous-core which offers a very high birefringence whereas the compact geometry of the circular cladding confines most of the power in the fiber-core. The fiber structure reported in this letter exhibits simultaneously ultrahigh modal birefringence of 7.5 x 10(-2) and a very low effective absorption loss of 0.07 cm(-1) for y-polarization mode at an operating frequency of 1 THz. It is highly anticipated that the slotted-core waveguide would be of very much convenience in many polarization maintaining THz appliances.
引用
收藏
页码：2222 / 2225
页数：4
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