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Designing of acoustic 4 × 2 priority encoder using fluid-fluid phononic crystal based ring resonator.

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Title: Designing of acoustic 4 × 2 priority encoder using fluid-fluid phononic crystal based ring resonator.
Authors: Bin, Arka Roy1 (AUTHOR), Rakshit, Jayanta Kumar1 (AUTHOR) rakshitjk@rediffmail.com, Mandal, Surajit2 (AUTHOR)
Source: Noise & Vibration Worldwide. Jun/Jul2026, Vol. 57 Issue 6/7, p454-467. 14p.
Subjects: Phononic crystals, Acoustic resonators, Underwater acoustics, Acoustic resonance, Phonons, Signal processing
Abstract: In this work, a new design for a 4×2 acoustic priority encoder using fluid-fluid two-dimensional phononic crystal (PnC) ring resonators is presented. The priority encoding operation is enabled by the phononic bandgap characteristics of the mercury-water crystal, which suppress unwanted frequency components while allowing strong confinement and coupling of the resonant mode. At the selected operating frequency of 45.1 kHz, located inside the second bandgap, the ring resonators support constructive interference and selective energy circulation, allowing the highest-priority input to dominate the output logic state. The device structure incorporates two PnC ring cavities and engineered waveguide path lengths to control resonance-based logic discrimination. Performance is validated through high extinction and contrast ratio metrics. The proposed structure provides an acoustically driven alternative for integrated phononic logic circuits, offering potential use in underwater and medical signal-processing applications. [ABSTRACT FROM AUTHOR]
Copyright of Noise & Vibration Worldwide is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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An: 194090286
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  Data: <searchLink fieldCode="JN" term="%22Noise+%26+Vibration+Worldwide%22">Noise & Vibration Worldwide</searchLink>. Jun/Jul2026, Vol. 57 Issue 6/7, p454-467. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Phononic+crystals%22">Phononic crystals</searchLink><br /><searchLink fieldCode="DE" term="%22Acoustic+resonators%22">Acoustic resonators</searchLink><br /><searchLink fieldCode="DE" term="%22Underwater+acoustics%22">Underwater acoustics</searchLink><br /><searchLink fieldCode="DE" term="%22Acoustic+resonance%22">Acoustic resonance</searchLink><br /><searchLink fieldCode="DE" term="%22Phonons%22">Phonons</searchLink><br /><searchLink fieldCode="DE" term="%22Signal+processing%22">Signal processing</searchLink>
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  Label: Abstract
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  Data: In this work, a new design for a 4×2 acoustic priority encoder using fluid-fluid two-dimensional phononic crystal (PnC) ring resonators is presented. The priority encoding operation is enabled by the phononic bandgap characteristics of the mercury-water crystal, which suppress unwanted frequency components while allowing strong confinement and coupling of the resonant mode. At the selected operating frequency of 45.1 kHz, located inside the second bandgap, the ring resonators support constructive interference and selective energy circulation, allowing the highest-priority input to dominate the output logic state. The device structure incorporates two PnC ring cavities and engineered waveguide path lengths to control resonance-based logic discrimination. Performance is validated through high extinction and contrast ratio metrics. The proposed structure provides an acoustically driven alternative for integrated phononic logic circuits, offering potential use in underwater and medical signal-processing applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Noise & Vibration Worldwide is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1177/09574565261419548
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 454
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      – SubjectFull: Phononic crystals
        Type: general
      – SubjectFull: Acoustic resonators
        Type: general
      – SubjectFull: Underwater acoustics
        Type: general
      – SubjectFull: Acoustic resonance
        Type: general
      – SubjectFull: Phonons
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      – SubjectFull: Signal processing
        Type: general
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      – TitleFull: Designing of acoustic 4 × 2 priority encoder using fluid-fluid phononic crystal based ring resonator.
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            NameFull: Bin, Arka Roy
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            NameFull: Rakshit, Jayanta Kumar
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            NameFull: Mandal, Surajit
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            – D: 01
              M: 06
              Text: Jun/Jul2026
              Type: published
              Y: 2026
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            – TitleFull: Noise & Vibration Worldwide
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