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Updated: Jun 8, 2026

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

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

Published on: July 21, 2018

Semiconductor surface plasmon sources.

A Babuty¹, A Bousseksou, J-P Tetienne

¹Institut Langevin, ESPCI ParisTech, CNRS UMR 7587, LOP, 75005 Paris, France.

Physical Review Letters

|September 28, 2010

Summary

This summary is machine-generated.

Researchers demonstrate electrical generation of surface-plasmon polaritons (SPPs) using an integrated device. This breakthrough enables the creation of active plasmonic sources for advanced optical applications.

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Area of Science:

Plasmonics
Optoelectronics
Nanophotonics

Background:

Surface-plasmon polaritons (SPPs) are electromagnetic modes confined to metal-dielectric interfaces.
Existing methods for SPP generation often lack integration and require external sources.
The slit-doublet experiment provides a near-field analogue for studying SPP phenomena.

Purpose of the Study:

To report the electrical generation of SPPs.
To demonstrate a fully integrated plasmonic active source.
To detect plasmonic standing waves generated by electrical current.

Main Methods:

Fabrication of an integrated device comprising an electrical SPP generator, coupler, and waveguide.
Injection of electrical current to generate SPPs.
Apertureless near-field scanning optical microscopy (aNSOM) for detection.

Main Results:

Successful electrical generation and launching of SPPs at the edges of a metallic strip.
Observation of interference fringes from plasmonic standing waves.
Unambiguous detection of SPP-generated standing waves using aNSOM.

Conclusions:

The study presents a novel approach for the electrical generation of SPPs.
The developed device serves as a fully integrated active plasmonic source.
This work paves the way for on-chip plasmonic devices and integrated optical circuits.