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Related Experiment Video

Updated: Jan 9, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
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Quantum-corrected transient analysis of plasmonic nanostructures.

Ismail E Uysal, H Arda Ulku, Muhammad Sajjad

    Optics Express
    |April 7, 2017
    PubMed
    Summary

    A new quantum-corrected solver accurately analyzes transient electromagnetic fields on plasmonic nanostructures. This method accounts for quantum tunneling effects in sub-nanometer gaps, improving simulations for advanced nanomaterials.

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    Area of Science:

    • Computational electromagnetics
    • Quantum mechanics applied to materials science
    • Plasmonics and nanophotonics

    Background:

    • Accurate simulation of electromagnetic fields on plasmonic nanostructures is crucial for understanding their optical properties.
    • Sub-nanometer gaps in nanostructures exhibit quantum mechanical effects that traditional solvers often neglect.
    • Density functional theory (DFT) provides accurate material properties but needs integration with electromagnetic solvers.

    Purpose of the Study:

    • To develop a novel time domain surface integral equation (TD-SIE) solver incorporating quantum corrections.
    • To enable accurate analysis of transient electromagnetic field interactions on plasmonic nanostructures with critical sub-nanometer gaps.
    • To validate the solver's accuracy and applicability through numerical examples.

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    Last Updated: Jan 9, 2026

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    Main Methods:

    • Development of a TD-SIE solver with an auxiliary tunnel for quantum current paths.
    • Utilizing permittivity and Green function data from density functional theory (DFT) computations.
    • Employing a semi-analytical method to convert frequency-domain DFT data to the time domain for the solver.

    Main Results:

    • Successful implementation of a quantum-corrected TD-SIE solver.
    • Demonstration of the solver's capability to handle transient electromagnetic interactions in nanostructures with sub-nanometer gaps.
    • Validation of the solver's accuracy and applicability through numerical simulations.

    Conclusions:

    • The developed quantum-corrected TD-SIE solver accurately models electromagnetic fields on plasmonic nanostructures, including quantum tunneling effects.
    • This approach enhances the simulation fidelity for nanoscale devices where quantum phenomena are significant.
    • The method provides a robust tool for designing and analyzing advanced plasmonic nanostructures.