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Multi-functional resonant acoustic wave router

Abstract : Routing wave at subwavelength scale remains an important scientific and technological challenge highly related to a variety of applications as information processing, energy harvesting and communication devices. We construct a compact multi-functional four-port system using as building blocks three-port acoustic devices. These latter act as splitter and combiner operating at the same frequency in the subwavelength regime. We start by experimentally demonstrating the splitter/combiner function of the three-port acoustic device composed of waveguides side loaded by Helmholtz resonators. Then, we optimize this device to achieve in addition perfect transmission. Finally, we propose a four-port system interconnecting the optimized three-port devices and we show various wave routing features with almost perfect transmission depending on the phase of the inputs.
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Contributeur : Olivier Richoux <>
Soumis le : lundi 2 mars 2020 - 21:48:17
Dernière modification le : vendredi 9 avril 2021 - 10:16:04

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Olivier Richoux, Vassos Achilleos, Georgios Theocharis, Ioannis Brouzos, F Diakonos. Multi-functional resonant acoustic wave router. Journal of Physics D: Applied Physics, IOP Publishing, 2020, ⟨10.1088/1361-6463/ab78d9⟩. ⟨hal-02496333⟩



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