Cascaded diam-etched fiber was studied to realize the dynamic manipulation of dual-wavelength filter.Utilizing the coupled-mode theory and segmented transfer matrix method,the theoretical derivation and simulation calculation were carried out.A new type of tunable dual-wavelength filter was studied based on cascaded Acousto-Optic Gratings(AOGs)in diam-etched fiber. The side lobe suppression effect of diam-etched AOGs in the transmission spectra was analyzed.The results show that optical fiber etching method...
【基金】
Scientific Research Plan of Shaanxi Province Education Department(No.14JK1763)
【更新日期】
2015-09-24
【分类号】
TN253;TN713
【正文快照】
Foundation item:Scientific Research Plan of Shaanxi Province Education Department(No.14JK1763)0 IntroductionDual-wavelength filters have been attractedextensive attention in the applications of wavelengthdivision multiplexing,optical communication network
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