Polyethylene photonic crystal fibers as terahertz waveguides

Shuqin Lou; Hong Fang; Shuisheng Jian

doi:10.1117/12.634911

5 December 2005 Polyethylene photonic crystal fibers as terahertz waveguides

Shuqin Lou, Hong Fang, Shuisheng Jian

Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 601941 (2005) https://doi.org/10.1117/12.634911
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

Photonic crystal fiber (PCF) has aroused growing interest over the past few years becauce PCFs exhibit many unusual properties, especially an endlessly single mode and highly tunable dispersion. Polyethylene have distinguish advantages such as the real part of dielectric constant keep constant in the frequency range from 0.1THz to 2THz that the material dispersion contribute little to total dispersion, and the imaginary part of the dielectric constant is close to zero in THz frequencies that the material loss is low. This offer a new possibility of constituting polyethylene PCF for low loss and low dispersion THz waveguide. In this paper, propagation properties of polyethylene PCF in THz frequencies are analyzed by full-vector model. Numerical results demonstrate that effective index of fundamental mode decreases with frequency decreasing and near zero-dispersion can be obtained over a wide frequency region.

Citation Download Citation

Shuqin Lou, Hong Fang, and Shuisheng Jian "Polyethylene photonic crystal fibers as terahertz waveguides", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601941 (5 December 2005); https://doi.org/10.1117/12.634911

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