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arXiv · 2310.09308

Directional emission in an on-chip acoustic waveguide

Timothy M. F. Hirsch·Nicolas P. Mauranyapin·Erick Romero·Tina Jin·Glen Harris·Christopher G. Baker·Warwick . P. Bowen
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Abstract

Integrated acoustic circuits leverage guided acoustic waves for applications ranging from radio-frequency filters to quantum state transfer, biochemical sensing and nanomechanical computing. In many applications it is desirable to have a method for unidirectional acoustic wave emission. In this work we demonstrate directional emission in an integrated single-mode, on-chip membrane waveguide, demonstrating over 99.9% directional suppression and reconfigurable directionality. This avoids both loss and unwanted crosstalk, allowing the creation of more complex and compact phononic circuits.

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Timothy M. F. Hirsch, Nicolas P. Mauranyapin, Erick Romero, Tina Jin, Glen Harris, Christopher G. Baker, Warwick . P. Bowen. 2023-10-12. Directional emission in an on-chip acoustic waveguide. https://doi.org/10.1063/5.0180794

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