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<p>Plasmonic sensors have gained significant attention in recent years due to their unique ability to enable ultrasensitive and label-free detection of analytes in various applications. This review paper provides a comprehensive overview of three distinct plasmonic sensor architectures: metal–insulator-metal (MIM) structures, photonic crystal fiber (PCF) sensors, and ring resonator-based sensors. Each of these sensor platforms harnesses the fascinating properties of surface plasmon resonances (SPRs) for sensing purposes, offering unparalleled advantages in terms of sensitivity, specificity, and miniaturization. In this review, we have focused on the different sensing applications such as biosensing, color sensing, gas sensing, etc. through plasmonic MIM- and PCF-based plasmonic sensor. This investigation highlights the design concepts, material selection, and operational processes of these sensors, accentuating their benefits regarding miniaturization, specificity, and flexibility. Finally, the application and scopes of using the plasmonic ring resonator have been investigated in the pursuit of more sensitive and versatile sensing solutions, highlighting their significance in the creation of highly adaptable and ultra-sensitive sensing devices. This study highlights cutting-edge developments while also pinpointing difficulties and future directions, offering a thorough foundation for academics and practitioners in plasmonic sensor technology.</p>

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Advances in Surface Plasmon Resonance-Based PCF and MIM Sensors

  • 期刊论文

  • 发表日期：

    2025年3月3日

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  • Mahamudul Hassan Fuad,
  • Md Faysal Nayan,
  • Russel Reza Mahmud

摘要

Plasmonic sensors have gained significant attention in recent years due to their unique ability to enable ultrasensitive and label-free detection of analytes in various applications. This review paper provides a comprehensive overview of three distinct plasmonic sensor architectures: metal–insulator-metal (MIM) structures, photonic crystal fiber (PCF) sensors, and ring resonator-based sensors. Each of these sensor platforms harnesses the fascinating properties of surface plasmon resonances (SPRs) for sensing purposes, offering unparalleled advantages in terms of sensitivity, specificity, and miniaturization. In this review, we have focused on the different sensing applications such as biosensing, color sensing, gas sensing, etc. through plasmonic MIM- and PCF-based plasmonic sensor. This investigation highlights the design concepts, material selection, and operational processes of these sensors, accentuating their benefits regarding miniaturization, specificity, and flexibility. Finally, the application and scopes of using the plasmonic ring resonator have been investigated in the pursuit of more sensitive and versatile sensing solutions, highlighting their significance in the creation of highly adaptable and ultra-sensitive sensing devices. This study highlights cutting-edge developments while also pinpointing difficulties and future directions, offering a thorough foundation for academics and practitioners in plasmonic sensor technology.