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Related Experiment Video

Updated: Feb 20, 2026

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Structural Engineering in Plasmon Nanolasers.

Danqing Wang, Weijia Wang, Michael P Knudson

    Chemical Reviews
    |October 18, 2017
    PubMed
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    Structural engineering of plasmon nanolasers enables overcoming light

    Area of Science:

    • Optics and Photonics
    • Nanotechnology
    • Materials Science

    Background:

    • Conventional lasers face limitations in device miniaturization due to the diffraction limit.
    • Plasmon nanolasers offer a pathway to overcome these limitations by utilizing surface plasmon polaritons.
    • The spaser concept, introduced in 2003, laid the groundwork for nanoscale laser development.

    Purpose of the Study:

    • To review the structural engineering principles of lasers, particularly plasmon nanolasers.
    • To highlight advancements in plasmon nanolaser architectures and theoretical approaches.
    • To explore the potential of band-structure engineering for novel lasing functionalities.

    Main Methods:

    • Analysis of macroscale to nanoscale laser structures.

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    Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
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    Last Updated: Feb 20, 2026

    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
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  • Focus on plasmonic cavities using metal films and nanoparticles.
  • Application of theoretical models in frequency and time domains for mode analysis and lasing buildup.

    • Main Results:

    • Plasmon nanolasers can surpass the diffraction limit, enabling smaller device sizes.
    • Diverse architectures exploiting metal films and nanoparticles have been developed.
    • Theoretical frameworks have guided the design and understanding of nanolasing dynamics.

    Conclusions:

    • Structural engineering is crucial for advancing plasmon nanolaser technology.
    • Band-structure engineering offers control over lasing characteristics like emission directionality and wavelength tunability.
    • Plasmon nanolasers hold promise for future optical devices with tailored functionalities.