QINGZHONG DENG,1 LU LIU,1 XINBAI LI,1 JURGEN MICHEL, AND ZHIPING ZHOU1,*
 
Vol. 41, No. 20 / October 15, 2016 / Optics Letters
 
Abstract: This Letter proposes and demonstrates a linear-regression­based loss-extraction model that is applicable for all-pass rings and symmetrically and asymmetrically coupled add-drop rings. The model is derived by transforming the trans­mission spectra of a ring into linear relationships with no approximation. An all-pass ring resonator is fabricated to verify the model, and the experimental results indicate that the proposed model is more reliable than previously reported models.


 

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