Lasers, Fiber Optics, and Communications

Extremely low-loss, dispersion flattened porous-core photonic crystal fiber for terahertz regime

[+] Author Affiliations
Saiful Islam, Mohammad Rakibul Islam, Jakeya Sultana

Islamic University of Technology, Electrical and Electronic Engineering, P.O. Box 1704, Gazipur, Bangladesh

Mohammad Faisal, Abu Sayeed Muhammad Shamsul Arefin, Hasan Rahman

Bangladesh University of Engineering and Technology, Electrical and Electronic Engineering, P.O. Box 1000, Dhaka, Bangladesh

Sohel Rana

Rajshahi University of Engineering and Technology, P.O. Box 6204, Rajshahi, Bangladesh

Opt. Eng. 55(7), 076117 (Jul 27, 2016). doi:10.1117/1.OE.55.7.076117
History: Received April 28, 2016; Accepted July 11, 2016
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Abstract.  A porous-core octagonal photonic crystal fiber (PC-OPCF) with ultralow effective material loss (EML), high core power fraction, and ultra flattened dispersion is proposed for terahertz (THz) wave propagation. At an operating frequency of 1 THz and core diameter of 345  μm, simulation results display an extremely low EML of 0.047  cm1, 49.1% power transmission through core air holes, decreased confinement loss with the increase of frequency, and dispersion variation of 0.15  ps/THz/cm. In addition, the proposed PCF can successfully operate in single-mode condition. All the simulations are performed with finite-element modeling package, COMSOL v4.2. The design can be fabricated using a stacking and drilling method. Thus, the proposed fiber has the potential of being an effective transmission medium of broadband THz waves.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Saiful Islam ; Mohammad Rakibul Islam ; Mohammad Faisal ; Abu Sayeed Muhammad Shamsul Arefin ; Hasan Rahman, et al.
"Extremely low-loss, dispersion flattened porous-core photonic crystal fiber for terahertz regime", Opt. Eng. 55(7), 076117 (Jul 27, 2016). ; http://dx.doi.org/10.1117/1.OE.55.7.076117


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