Boosting Topological Zero Modes Using Elastomer Waveguide Arrays
arXiv:2206.05724 · doi:10.1364/OL.469657
Abstract
We employ the Su-Schrieffer-Heeger model in elastic polymer waveguide arrays to design and realize travelling topologically protected modes. The observed delocalization of the optical field for superluminal defect velocities agrees well with theoretical descriptions. We apply mechanical strain to modulate the lattices' coupling coefficient. This work demonstrates a novel platform for rapid prototyping of topological photonic devices and establishes strain-tuning as a viable design parameter for topological waveguide arrays.
arXiv comment4 pages, 4 figures
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