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Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

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Published on: January 3, 2016

Nanoplasmonic couplers and splitters.

Rami A Wahsheh¹, Zhaolin Lu, Mustafa A G Abushagur

¹Microsystems Engineering, Kate Gleason College of Engineering, Rochester Institute of Technology, Rochester, New York 14623, USA.

|April 8, 2010

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We developed ultra-compact plasmonic waveguide couplers and splitters. These designs achieve high coupling efficiency and improve alignment tolerance, offering broader spectral response for optical devices.

Area of Science:

Photonics and Nanotechnology
Optical Engineering
Plasmonics

Background:

Plasmonic waveguides offer miniaturization potential for optical circuits.
Efficient light manipulation requires advanced coupler and splitter designs.

Purpose of the Study:

To present novel designs for ultra-compact plasmonic waveguide couplers and 1x2 splitters.
To analyze the performance and advantages of these plasmonic devices.

Main Methods:

Numerical simulations were employed to model and analyze the proposed designs.
Performance metrics such as coupling efficiency and spectral response were evaluated.

Main Results:

Coupling efficiency reached up to 88% for the ultra-compact coupler.

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Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

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Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

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Each branch of the 1x2 splitter achieved 45% coupling efficiency.

The designs demonstrated improved alignment tolerance and broadened spectrum response.

Conclusions:

The novel plasmonic waveguide designs offer high performance for optical components.
These ultra-compact devices present advantages in fabrication tolerance and operational bandwidth.