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Related Experiment Video

Updated: Jun 11, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

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

Published on: July 21, 2018

An integrated surface-plasmon source.

C S Kim1, I Vurgaftman, R A Flynn

  • 1Optical Sciences Division, Naval Research Laboratory, Washington, D.C. 20375, USA.

Optics Express
|July 1, 2010
PubMed
Summary
This summary is machine-generated.

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Researchers developed a compact, integrated source of coherent surface-plasmon polaritons (SPPs) by coupling a laser diode to a plasmonic waveguide. This electrically-activated device is ideal for driving plasmonic circuits and sensors.

Area of Science:

  • Photonics
  • Plasmonics
  • Integrated Optics

Background:

  • Surface-plasmon polaritons (SPPs) are crucial for nanoscale optical manipulation.
  • Efficient on-chip generation of SPPs is essential for integrated photonic devices.

Purpose of the Study:

  • To demonstrate a compact, versatile, and electrically-activated source of coherent SPPs.
  • To achieve high coupling efficiency between a laser diode and a plasmonic waveguide on a microchip.

Main Methods:

  • End-coupling a 1.46 micrometer laser diode to a planar-stripe plasmonic waveguide.
  • Optimizing spatial-mode overlap between the laser and waveguide.
  • Utilizing microchip integration for device fabrication.

Main Results:

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Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
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Last Updated: Jun 11, 2026

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

Published on: July 21, 2018

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires
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Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

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  • Achieved a high coupling efficiency of approximately 36% for SPP generation.
  • Demonstrated potential for ~60% efficiency with reduced laser-waveguide gaps.
  • Presented an integrated, electrically-driven SPP source.

Conclusions:

  • The demonstrated integrated SPP source is compact and versatile.
  • This technology is well-suited for direct integration with plasmonic circuitry.
  • The source is promising for applications in surface-enhanced sensors and integrated photonics.