Related Experiment Video
Updated: Dec 7, 2025
07:39
Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
7.1K
Nonlinear frequency conversions via weak surface polaritonic wave breaking in a hybrid plasmonic waveguide
Optics Letters
|October 1, 2020
Summary
We developed a novel plasmonic waveguide for efficient nonlinear frequency conversion. This method overcomes limitations in surface-plasmon polariton excitation, enabling new optical device designs.
Area of Science:
- * Physics
- * Materials Science
- * Nanotechnology
Background:
- * Limitations in nanoscopic devices hinder high-harmonic excitation efficiency of surface-plasmon polaritons (SPPs).
- * Existing material designs and input field properties restrict SPP excitation efficiency.
Purpose of the Study:
- * To develop a plasmonic waveguide concept for efficient four-wave mixing (FWM) and periodic phase singularities.
- * To overcome limitations in SPP excitation efficiency in nanoscopic devices.
Main Methods:
- * Utilized spatiotemporal control of a weak surface polaritonic field.
- * Employed a four-level double Λ-type atomic medium (4Λ As) in a lossless dielectric atop a negative-index metamaterial (NIMM).
- * Investigated nonlinear self-defocusing control within the atomic electromagnetically induced transparency (EIT) window.
Main Results:
- * Achieved coherent excitation and propagation of multiple surface polaritonic shock waves (SWs).
- * Established highly efficient frequency combs via surface polaritonic wave (SPW) breaking.
- * Generated multiple FWM and periodic plasmonic phase singularity patterns.
Conclusions:
- * Introduced SW formation at the subwavelength scale, enabling efficient nonlinear frequency conversion.
- * The developed concept opens prospects for designing fast optical modulators and nonlinear plasmonic gates.
