纤内马赫-曾德尔结构优化光纤环镜滤波器研究
发布时间：2018-10-12 13:45
【摘要】：在单模光纤(SMF)上拉出级联对称缓锥,形成马赫-曾德尔干涉仪(MZI)结构,将其置入光纤环镜中,理论和实验研究了它对滤波器特性的改善。环镜滤波器的透射谱由MZI和Sagnac干涉结合的非相干叠加而成,调谐MZI能实现可调谐滤波。实验表明,滤波器在自由谱60nm(1 425~1 485nm)范围内可提高梳状滤波器的滤波器特性,实现了可调谐滤波。本文结构输出波形稳定,调制深度大于20dB,优化了光纤环镜滤波特性。
[Abstract]:The cascaded symmetric slow cone is pulled out on the single-mode fiber (SMF) to form the Mach Zehnder interferometer (MZI) structure and put it into the fiber loop mirror. The improvement of the filter characteristics is studied theoretically and experimentally. The transmission spectrum of the loop mirror filter is composed of the incoherent superposition of MZI and Sagnac interference. The tunable MZI can realize the tunable filter. Experiments show that the filter can improve the filter characteristics of comb filter in the range of free spectrum 60nm (1 425 485nm) and realize tunable filter. The structure output waveform is stable and the modulation depth is more than 20 dB. The filter characteristics of fiber loop mirror are optimized.
【作者单位】： 苏州科技大学光电与信息技术研究所;
【基金】：江苏省青蓝工程中青年学术带头人项目(2010-101) 江苏省企业研究生工作站(2012-0819)资助项目
【分类号】：TN253;TN713
本文编号：2266339
[Abstract]:The cascaded symmetric slow cone is pulled out on the single-mode fiber (SMF) to form the Mach Zehnder interferometer (MZI) structure and put it into the fiber loop mirror. The improvement of the filter characteristics is studied theoretically and experimentally. The transmission spectrum of the loop mirror filter is composed of the incoherent superposition of MZI and Sagnac interference. The tunable MZI can realize the tunable filter. Experiments show that the filter can improve the filter characteristics of comb filter in the range of free spectrum 60nm (1 425 485nm) and realize tunable filter. The structure output waveform is stable and the modulation depth is more than 20 dB. The filter characteristics of fiber loop mirror are optimized.
【作者单位】： 苏州科技大学光电与信息技术研究所;
【基金】：江苏省青蓝工程中青年学术带头人项目(2010-101) 江苏省企业研究生工作站(2012-0819)资助项目
【分类号】：TN253;TN713
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