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Related Experiment Video

Updated: Mar 26, 2026

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
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Ultra-thin plasmonic random lasers.

Tianrui Zhai, Zhiyang Xu, Xiaofeng Wu

    Optics Express
    |February 3, 2016
    PubMed
    Summary

    Researchers developed a flexible, ultrathin plasmonic random laser using silver nanoparticles in a polymer membrane. This device exhibits low threshold lasing and can be integrated with optical fibers for versatile applications.

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    Area of Science:

    • Nanophotonics
    • Laser Physics
    • Materials Science

    Background:

    • Plasmonic random lasers offer unique light generation properties.
    • Developing flexible and transplantable laser devices is crucial for advanced optical systems.

    Purpose of the Study:

    • To fabricate and characterize an ultrathin plasmonic random laser.
    • To investigate the lasing properties of a flexible polymer membrane embedded with silver nanoparticles.

    Main Methods:

    • Fabrication of a 200-nm-thick free-standing polymer membrane using a lift-off process.
    • Embedding silver nanoparticles within the polymer matrix.
    • Optical pumping to induce and observe random lasing.

    Main Results:

    • Achieved low threshold random lasing in the ultrathin plasmonic device.
    • Demonstrated strong plasmonic feedback from silver nanoparticles.
    • Showcased high-quality waveguide confinement by the polymer membrane.
    • Verified the flexibility and transplantability of the fabricated device.

    Conclusions:

    • The developed plasmonic random laser exhibits efficient lasing due to plasmonic feedback and waveguide confinement.
    • The flexible and transplantable nature of the device allows for integration with optical fibers.
    • This fabrication technique shows promise for realizing plasmonic random lasing on various surfaces.

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