首页|Optimal design for elliptical holey fiber with stable polarization beat-length
Optimal design for elliptical holey fiber with stable polarization beat-length
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In order to design birefringent holey fiber with beat-length independent of wavelength, an asymmetric structure is introduced to reduce its wavelength-sensitivity.The influence of structural parameters on the modal birefringence is calculated and analyzed.After optimizing the parameters, a flat dispersion curve of beat-length is obtained.The beat-length changes from 89.8 mm to 91.0 mm in wavelength range from 1.1 μm, to 1.7 μm, and its relative variation is 1.38%.If this fiber is made into zero-order quarter wave plate, the phase delay can be easily controlled in (90±1)°.
Key Laboratory of Specialty Fiber Optics and Optical Access Networks, School of Communication and Information Engineering, Shanghai University, Shanghai 200072, P. R. China
Department of Information and Computation of Science, Guangxi University of Technology,Liuzhou,545006 Guangxi, P.R. China
国家自然科学基金国家自然科学基金Shanghai Leading Academic Discipline Project
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