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14 November 2016 The dispersion and spectrum output characteristics in series-coupled double-ring resonator
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We theoretically investigate the series-coupled fiber double-ring resonator is not exactly the same perimeter, that is, when the double-ring resonator cannot be completely in resonance state, the output characteristics and dispersion characteristics of spectrum and its manifestations. In this paper, we introduce light exhibits different spectral output characteristics through double-ring resonator, when the two rings’ length ratios are δ=1,1.1,1.5, 2. Among them, δ=2 is particularly representative. When the second resonator has the same parameters, the group refractive index of the double-ring resonator whose length ratio is 2 higher than the single ring resonator two or three orders, these results indicate that we could improve the sensitivity of the double-ring resonator because sensitivity is directly related to the group refractive.
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Dongyang Gao, Yundong Zhang, Yongfeng Wu, Changqiu Yu, Hui Li, and Ping Yuan "The dispersion and spectrum output characteristics in series-coupled double-ring resonator", Proc. SPIE 10025, Advanced Sensor Systems and Applications VII, 100250A (14 November 2016);

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