Complex fiber micro-knots

Shir Shahal, Hamootal Duadi, Yoav Linzon, Moti Fridman*

*Corresponding author for this work

Research output: Contribution to journalLetterpeer-review


Fiber micro-knots are a promising and a cheap solution for advanced fiber-based sensors. We investigated complex fiber micro-knots in theory and experiment. We compared the measured spectral response and present an analytical study of simple micro-knots with double twists, twin micro-knots, figure-eight micro-knots, and tangled micro-knots. This research brings the simple fabrication process and robustness of fiber micro-knots into the world of complex resonators which may lead to novel optical devices based on fiber micro-knots.

Original languageEnglish
Article number1273
Issue number4
StatePublished - 20 Apr 2018


FundersFunder number
Israel Ministry of Science and TechnologyMOST-16-010177808
Ministry of Science and Technology, Israel


    • Fiber micro-knot
    • High-order fiber modes
    • Long-period fiber grating


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