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Tunable acoustic logic gates based on superimposed Mie resonator.

Jun Lan1, Yumin Zhou1, Chen Liu2,3

  • 1College of Computer and Information Engineering (College of Artificial Intelligence), Nanjing Tech University, Nanjing 211800, China.

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|April 16, 2026
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Summary

This study introduces a tunable acoustic logic gate using a novel waveguide with superimposed Mie resonators (SMRs). This design enables reconfigurable acoustic circuits, overcoming limitations of fixed-structure devices.

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Area of Science:

  • Acoustic physics
  • Waveguide theory
  • Metamaterials

Background:

  • Traditional acoustic logic gates are limited by fixed structures, hindering integration.
  • Developing tunable acoustic devices is crucial for advanced acoustic circuits.

Purpose of the Study:

  • To present a symmetric three-port waveguide capable of tunable acoustic logic gates.
  • To demonstrate the realization of basic and combinational logic functions using acoustic wave interference.

Main Methods:

  • Design of a symmetric three-port waveguide with superimposed Mie resonators (SMRs).
  • Utilizing anisotropic dispersion characteristics of SMRs for phase modulation.
  • Establishing a wave interference model by adjusting SMR spacing.

Main Results:

  • Realization of four basic logic functions (OR, XOR, NOT, AND).
  • Demonstration of a combinational logic function: O = (A AND B) OR (C AND D).
  • Tunable logic operations achieved through phase modulation via SMR spacing.

Conclusions:

  • The proposed waveguide design overcomes limitations of fixed-structure acoustic logic gates.
  • This work provides a pathway for integrating acoustic physics with advanced acoustic circuits.
  • The tunable nature of the device opens possibilities for reconfigurable acoustic systems.