Research of dispersion characteristics of square-lattice all solid photonic bandgap fibers
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Corresponding author:
LIU Min, liumin@cqu.edu.cn
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Received Date:
2011-04-06
Accepted Date:
2011-04-19
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Abstract
In order to study the dispersion characteristics of square-lattice all solid photonic bandgap fibers,the dispersion characteristics were simulated by means of full-vector finite element method.After changing the structure parameters of a square-lattice all solid photonic bandgap fiber,its dispersion characteristics were analyzed.Finally,an all solid photonic bandgap fiber with zero dispersion wavelength at 1.55μm was proposed.The analytical results demonstrate that an all solid square-lattice photonic bandgap fiber has three zero wavelengths,the dispersion characteristic curves shift to the longer wavelength as the hole diameter d becomes larger and the dispersion slope becomes more flattened with the decrease of the hole pitch Λ.It provides a theoretical evidence to design and fabricate all solid photonic bandgap fibers.
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