A Novel Ultra-Low Loss Rectangle-Based Porous-Core PCF for Efficient THz Waveguidance: Design and Numerical Analysis

Sensors
Abdullah Al-Mamun BulbulM A Parvez Mahmud

Abstract

A novel, rectangle-based, porous-core photonic crystal fiber (PCF) has been modeled for the efficient propagation of a THz wave. The performance of the anticipated model has been assessed using the finite element method (FEM) in the range of 0.5-1.5 THz. Both the fiber core and cladding are modeled with rectangular air holes. Numerical analysis for this model reveals that the model has a lower amount of dispersion of about 0.3251 ps/THz/cm at 1.3 THz. Compared to the other THz waveguides, the model offers an ultra-lower effective material loss of 0.0039 cm-1 at the same frequency. The confinement loss is also lower for this model. Moreover, this model has a high-power fraction of about 64.90% at the core in the x-polarization mode. However, the effective area, birefringence, and numerical aperture have also been evaluated for this model. Maintenance of standard values for all the optical parameters suggests that the proposed PCF can efficiently be applied in multichannel communication and several domains of the THz technology.

References

May 10, 2002·Nature·Rüdeger KöhlerFausto Rossi
Nov 19, 2004·Nature·Kanglin Wang, Daniel M Mittleman
Feb 17, 2006·Optics Letters·Li-Jin ChenChi-Kuang Sun
Mar 22, 2004·Optics Express·Ren GuobinJian Shuisheng
Nov 12, 2007·Optics Express·Heike Ebendorff-Heidepriem, Tanya M Monro
Aug 6, 2009·Optics Express·Shaghik AtakaramiansTanya M Monro
Nov 3, 2009·Optics Letters·Chih-Hsien LaiChi-Kuang Sun
Feb 6, 2017·Applied Optics·Md Saiful IslamMohammad Rakibul Islam

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