Abstract
In this paper, using a new technique, microfiber knot resonators (MKRs) with single and double twist on 8 µm biconical arc induced microfibers are implemented and their transmission spectrums are investigated. To fabricate these MKRs, first the microfibers have been functionalized with polymeric films to facilitate and make repeatable knotting process and finally, the added layer is stripped by a suitable organic solvent. Exploiting this simple and low cost technique makes the fabrication process of the simple and complex MKRs very fast and repeatable. The results show that, the implemented resonator with double twist exhibits extremely high interference visibility up to 30 dB.
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