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Related Experiment Video

Updated: Jun 22, 2026

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
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Published on: August 30, 2012

Novel surface plasmon waveguide for high integration.

Liu Liu, Zhanghua Han, Sailing He

    Optics Express
    |June 6, 2009
    PubMed
    Summary
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    A new surface plasmon waveguide enables highly integrated planar lightwave circuits. This structure offers sharp bending and easy fabrication for advanced optical applications.

    Area of Science:

    • Photonics and Optical Engineering
    • Nanophotonics
    • Integrated Optics

    Background:

    • Planar lightwave circuits (PLCs) are crucial for optical communication and signal processing.
    • Existing PLC technologies face limitations in miniaturization and integration density.
    • Surface plasmon polaritons (SPPs) offer potential for subwavelength light confinement.

    Purpose of the Study:

    • To propose and investigate a novel surface plasmon waveguide (SPW) structure for highly integrated PLCs.
    • To analyze the mode properties and light confinement capabilities of the proposed SPW.
    • To explore the feasibility of sharp bending and efficient coupling in the developed SPW structure.

    Main Methods:

    • Fabrication of a metallic thin film on a silica substrate with an etched trench.

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    Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
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    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
    07:39

    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

    Published on: July 21, 2018

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    Last Updated: Jun 22, 2026

    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
    07:28

    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

    Published on: August 30, 2012

    Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
    09:00

    Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

    Published on: December 11, 2013

    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
    07:39

    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

    Published on: July 21, 2018

  • Numerical simulation of guided mode properties and light field confinement.
  • Analysis of coupling between adjacent waveguides and 90-degree bending.
  • Investigation of the role of polymer upper-cladding.

    • Main Results:

    • A guided mode with highly confined light fields was successfully realized in the proposed SPW.
    • The study discussed the necessity of a polymer upper-cladding for optimal mode properties.
    • Numerical simulations demonstrated efficient coupling and sharp 90-degree bending capabilities.
    • The proposed SPW structure exhibits ease of fabrication compared to other SPWs.

    Conclusions:

    • The novel SPW structure is suitable for highly integrated planar lightwave circuits.
    • The design allows for sharp bending and high integration density.
    • The proposed waveguide offers a practical and easily fabricated solution for advanced photonic integrated circuits.