Abstract

Temperature change of the water infiltrated PCF is an interesting and practical method for a dynamical fine tuning of dispersion in active dispersion shift compensating systems. In this paper we present a numerical study on the influence of the temperature of infiltrated water on the dispersion and modal characteristics of photonic crystal fiber. We study regular hexagonal lattice photonic crystal fibers with various geometrical parameters using finite element method.

Highlights

  • The photonic crystal fiber (PCF) attracted a lot of attention over the last two decades and induced tremendous development in fiber optic technology

  • PCF are composed of regular array of air holes along its entire length, similar to photonic crystal, with a defect in the center of the structure, which plays a role of a core

  • Our results show that infiltration with water of air holes in photonic cladding in PCFs shifts dispersion characteristics toward lower values and flatten dispersion for longer waves

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Summary

Introduction

The photonic crystal fiber (PCF) attracted a lot of attention over the last two decades and induced tremendous development in fiber optic technology. It has been previously shown that change of temperature of liquid results in the zero dispersion wavelength (ZDW) shift (Karasawa 2012; Park et al 2014) In both these studies the authors present numerical results for dispersion properties of fibers, where the role of the core is played by central capillary infiltrated with water. We suppose that a temperature change of the water infiltrated PCF is interesting and practical method for a fine tuning of zero dispersion wavelength (ZDW). This new approach can be used in applications where fast dynamical compensation of dispersion shift is necessary

Photonic crystal fibers infiltrated with water
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Tuning zero-dispersion wavelength with temperature
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Conclusions
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