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High-Sensitivity Bimodal Waveguide Sensor Based on Dispersion Turning Point

  • Rui Li
  • , Jiewen Li
  • , Wanxin Li
  • , Zheng Cao
  • , Fatao Chen
  • , Weiming Yao
  • , Yong Yao
  • , Yongkang Dong
  • , Xiaochuan Xu*
  • *Corresponding author for this work
  • Harbin Institute of Technology Shenzhen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents a high-sensitivity bimodal waveguide sensor based on a dispersion turning point (DTP), realized through a fishbone-like bimodal waveguide (BiMW) design. Experimental validation confirms a maximum sensitivity of 10666.7 nm/RIU, indicating strong promise for integrated optical sensing applications.

Original languageEnglish
Title of host publication2025 IEEE Photonics Conference, IPC 2025 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798331525590
DOIs
StatePublished - 2025
Externally publishedYes
Event2025 IEEE Photonics Conference, IPC 2025 - Singapore, Singapore
Duration: 9 Nov 202513 Nov 2025

Publication series

Name2025 IEEE Photonics Conference, IPC 2025 - Proceedings

Conference

Conference2025 IEEE Photonics Conference, IPC 2025
Country/TerritorySingapore
CitySingapore
Period9/11/2513/11/25

Keywords

  • dispersion turning point
  • fishbone-like bimodal waveguide
  • high sensitivity

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