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Abstract <p>In this study, a single ring resonator cavity based on a mercury–water phononic platform is employed to realize fundamental acoustic logic functions such as OR, XOR, NOT, NOR, NAND, and XNOR operations. The proposed configuration consists of a ring resonator placed at the center of three input waveguides and one output waveguide arranged in the form of a plus sign (“+”). The logical operations are achieved through constructive and destructive interference resulting from phase differences among the input acoustic signals. The performance of the proposed design is evaluated using key parameters such as contrast ratio, extinction ratio, and amplitude modulation. All designs and simulations are carried out using COMSOL Multiphysics. The proposed structure holds significant potential for phononic integrated circuits, particularly for underwater and medical applications.</p>

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Design of Multipurpose Logic Gates Using Fluid–Fluid Phononic Crystal Based Single Ring Resonator for Acoustic Applications

  • 期刊论文

  • 发表日期：

    2026年6月29日

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  • Arka Roy Bin,
  • Jayanta Kumar Rakshit,
  • Manjur Hossain

摘要

Abstract

In this study, a single ring resonator cavity based on a mercury–water phononic platform is employed to realize fundamental acoustic logic functions such as OR, XOR, NOT, NOR, NAND, and XNOR operations. The proposed configuration consists of a ring resonator placed at the center of three input waveguides and one output waveguide arranged in the form of a plus sign (“+”). The logical operations are achieved through constructive and destructive interference resulting from phase differences among the input acoustic signals. The performance of the proposed design is evaluated using key parameters such as contrast ratio, extinction ratio, and amplitude modulation. All designs and simulations are carried out using COMSOL Multiphysics. The proposed structure holds significant potential for phononic integrated circuits, particularly for underwater and medical applications.