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Updated: Jun 26, 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

The possibility for surface plasmons lasers.

R Li¹, A Banerjee, H Grebel

¹Electronic Imaging Center, Department of Electrical and Computer Engineering at NJIT, Newark, NJ 07102, USA.

|February 4, 2009

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Researchers demonstrated a novel surface plasmon laser operating in the visible spectrum. This innovative device utilizes a nano-scale hole-array in anodized aluminum oxide (AAO) for feedback and gain, achieving significant spectral line narrowing.

Area of Science:

Photonics and Plasmonics
Materials Science
Nanotechnology

Background:

Surface plasmons offer unique light-matter interaction properties.
Developing compact and efficient visible-range lasers is a significant challenge.
Anodized aluminum oxide (AAO) nanostructures provide a versatile platform for plasmonic devices.

Purpose of the Study:

To demonstrate the lasing capabilities of surface plasmons in the visible range.
To investigate the role of nano-scale hole-arrays in anodized aluminum oxide (AAO) waveguides.
To characterize key laser attributes such as threshold, gain, and spectral narrowing.

Main Methods:

Fabrication of metallic waveguides using a nano-scale hole-array in a 50 nm AAO layer on an aluminum substrate.

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Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Related Experiment Videos

Last Updated: Jun 26, 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

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Incorporation of fluorescein molecules as the gain medium within the AAO pores.

Utilizing a pulsed laser for optical pumping and analyzing the emitted light.

Main Results:

Successful demonstration of surface plasmon lasing attributes: threshold, gain, and feedback in the visible range.
Observation of spectral line narrowing up to 30%.
The sub-wavelength hole-array facilitated coupling and provided necessary feedback for surface modes.

Conclusions:

The study presents the first demonstration of a surface plasmon laser with visible-range operation.
AAO-based nanostructures with embedded gain media are effective for plasmonic lasing.
The results pave the way for new photonic devices and applications.