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Updated: Jun 20, 2026

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
Published on: February 4, 2018
Abstract:
The axial twisting of a fused-tapered single-mode fiber coupler causes optical decóupling, which can change the power-splitting ratio of the coupler. Twisting of the coupling region causes a redistribution of the modal fields away from the coupler axis as a result of an effective refractive-index change. A simple analytical expression is derived that describes this decoupling effect. An environmentally stable package is implemented that allows a coupler's response to be tuned through all possible values.
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