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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
EN
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EL
| URI: | http://purl.tuc.gr/dl/dias/2E16B51D-A50A-4034-B8DA-1CE175036530 | ||
| Year | 2022 | ||
| Type of Item | Letter | ||
| License |
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| Bibliographic Citation | A. Frank, D. Leykam, D. A. Smirnova, D. G. Angelakis and A. Ling, “Boosting topological zero modes using elastomer waveguide arrays,” Opt. Lett., vol. 47, no. 18, pp. 4620-4623, Sep. 2022, doi: 10.1364/ol.469657. https://doi.org/10.1364/OL.469657 | ||
| Appears in Collections |
We employ the Su–Schrieffer–Heeger model in elastic polymer waveguide arrays to design and realize traveling 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, to the best of our knowledge, platform for rapid prototyping of topological photonic devices and establishes strain-tuning as a viable design parameter for topological waveguide arrays.
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