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Related Experiment Video

Updated: Jun 12, 2026

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

Borophene-based dual-mode metasurface biosensor with a dynamically tunable PIT-like effect.

Kunpeng Xiao, Congyao Liu, Yu Pu

    Optics Express
    |June 11, 2026
    PubMed
    Summary
    This summary is machine-generated.

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    This study introduces a novel tunable borophene metasurface for enhanced near-infrared biosensing. The plasmon-induced transparency (PIT) sensor offers high sensitivity and dynamic tunability for label-free biodetection.

    Area of Science:

    • Nanophotonics and Plasmonics
    • Materials Science
    • Biosensing Technologies

    Background:

    • Conventional plasmonic biosensors face limitations in electrical tunability and broadband adaptability for high-precision near-infrared (NIR) sensing.
    • Existing 2D materials and plasmonic structures exhibit restricted carrier density and dynamic adjustment capabilities.
    • These limitations hinder the performance of label-free biodetection systems requiring sensitive and adjustable refractive index (RI) monitoring.

    Purpose of the Study:

    • To propose and investigate a dynamically tunable borophene-based dual-mode metasurface (DMM) architecture for advanced NIR sensing.
    • To leverage the unique properties of χ3-phase borophene for enhanced electrical tunability and high carrier density.
    • To explore the potential of this DMM architecture for label-free biodetection applications through bulk RI transduction.

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    Last Updated: Jun 12, 2026

    Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
    15:25

    Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

    Published on: February 4, 2018

    Fabrication of polydimethylsiloxane (PDMS)-Based Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Ultrasensitive Detection
    03:33

    Fabrication of polydimethylsiloxane (PDMS)-Based Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Ultrasensitive Detection

    Published on: November 17, 2023

    Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
    09:33

    Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

    Published on: June 7, 2019

    Main Methods:

    • Utilized finite-difference time-domain (FDTD) simulations and temporal coupled-mode theory to analyze the plasmon-induced transparency (PIT) response.
    • Investigated bright-bright mode coupling between triangular borophene dimers (vertex-vertex and base-base).
    • Employed electrical gating to tune electron density and assess its impact on sensor performance parameters.

    Main Results:

    • Demonstrated electrical gating for continuous electron density tuning (3 × 10^19 to 7 × 10^19 m^-2), inducing blue-shifts in resonant dips.
    • Observed narrowed linewidths and enhanced quality factors (Q-factor) due to electrical modulation.
    • Achieved dual-channel refractive index (RI) sensing with high sensitivities up to 875.7 nm/RIU and 1064.3 nm/RIU, exhibiting excellent linearity (R^2 > 0.99).

    Conclusions:

    • Presented an electrically tunable χ3-borophene-based DMM architecture as a promising NIR bulk RI transduction platform.
    • The proposed architecture relies on PIT-like bright-bright mode hybridization for sensing capabilities.
    • Further validation for specific biosensing applications is reserved for future research endeavors.