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Structural Design and Preparation Study of Dispersion Contollable Photonic Crystal Fibers

Author: LiYang
Tutor: DaiNengLi
School: Huazhong University of Science and Technology
Course: Physical Electronics
Keywords: Photonic crystal fiber Theoretical simulation Controllable dispersion Structural design Preparation technology Dispersion performance test
CLC: TN253
Type: Master's thesis
Year: 2011
Downloads: 55
Quote: 0
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Abstract


Dispersion flattened PCFs have great application prospect for dense wavelength division multiplexing (DWDM) optical communication system and optical soliton transmission system; dispersion flattened PCFs with high nonlinearity also have important application in the generation of super continuum、wavelength conversion, etc. Besides, PCFs with large negative dispersion as a great application prospect in the field of dispersion compensation. Thus researches on the theory and application of dispersion controllable PCFs are of important value and significance. In this paper, The dispersion properties、preparation、performance testing and application prospect of dispersion flattened PCFs are studied systematically in the paper. The main contents are as follows:(1) On the basis of study of extensive references home and abroad, the research background、properties、preparation and application of PCFs are summarized, the theory research、preparation、performance test and application of dispersion controllable PCFs are emphatically presented.(2) The mathematical methods commonly used to simulate PCFs are introduced. The steps how to use FDFD based on MATLAB to simulate the mode field distribution、the dispersion curve and nonlinear coefficient are presented.(3) Systematically simulating the dispersion curve of the designed dispersion controllable PCFs structures and analyzing the influence of PCF’s structure parameters such as air-hole diameter and air-hole pitch on dispersion curve. Some dispersion controllable PCFs are designed based on the simulation results and one or two structures are prepared.(4) Dispersion performance of the prepared dispersion compensation PCF is tested and the test results are analyzed. Through the contrast and analysis of theoretical simulation and test results, optimization of fiber structure parameters and improvements in preparation are investigated. The application prospect of the prepared PCF product is predicted.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Optical waveguide and integrated optics > Fiber optic components
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