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Background/Introduction <p>This work presents a novel fluid-fluid two-dimensional phononic crystal ring resonator (PnC-RR) architecture for acoustic signal processing applications.</p> Purpose <p>The purpose of this study is to demonstrate 3-bit binary to gray and gray to binary code conversion using a phononic crystal ring resonator.</p> Methods <p>The proposed device integrates acoustic waveguides with a PnC ring cavity engineered from a square lattice structure composed of a rectangular mercury foundation and cylindrical water rods, operating at 45.1 kHz. All simulations are performed using COMSOL Multiphysics.</p> Results <p>Key performance metrics, including contrast ratio and extinction ratio confirming the effectiveness of the proposed design.</p> Conclusions <p>Owing to its compactness and functionality, the proposed converter holds potential for future phononic integrated circuits in medical and underwater acoustic applications.</p>

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Designing of Acoustic 3-bit Binary To Gray and Gray to Binary Code Converter Using Fluid-Fluid Phononic Crystal Based Ring Resonator for Medical and Underwater Applications

  • 期刊论文

  • 发表日期：

    2026年2月18日

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  • Arka Roy Bin,
  • R. Dinesh Kumar,
  • C. Kanmani Pappa,
  • Dhiraj Kumar,
  • Manjur Hossain,
  • Jayanta Kumar Rakshit

摘要

Background/Introduction

This work presents a novel fluid-fluid two-dimensional phononic crystal ring resonator (PnC-RR) architecture for acoustic signal processing applications.

Purpose

The purpose of this study is to demonstrate 3-bit binary to gray and gray to binary code conversion using a phononic crystal ring resonator.

Methods

The proposed device integrates acoustic waveguides with a PnC ring cavity engineered from a square lattice structure composed of a rectangular mercury foundation and cylindrical water rods, operating at 45.1 kHz. All simulations are performed using COMSOL Multiphysics.

Results

Key performance metrics, including contrast ratio and extinction ratio confirming the effectiveness of the proposed design.

Conclusions

Owing to its compactness and functionality, the proposed converter holds potential for future phononic integrated circuits in medical and underwater acoustic applications.