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Related Experiment Video

Updated: Jan 25, 2026

Multifunctional Hybrid Fe2O3-Au Nanoparticles for Efficient Plasmonic Heating

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Low-loss hybrid plasmonic coupler.

Daniel Chelladurai, Michael Doderer, Ueli Koch

|May 5, 2019

Summary

This summary is machine-generated.

We developed a new method for efficiently coupling silicon photonic and hybrid-plasmonic waveguides, achieving over 94% efficiency. This fabrication-tolerant design is key for creating advanced, low-loss plasmonic devices.

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Area of Science:

Photonics
Plasmonics
Materials Science

Background:

Silicon photonics offers efficient light manipulation.
Hybrid-plasmonic waveguides combine advantages of plasmonics and dielectrics.
Efficient coupling between these platforms is crucial for integrated devices.

Purpose of the Study:

To demonstrate a novel low-loss coupling scheme.
To achieve high coupling efficiency between silicon photonic and hybrid-plasmonic waveguides.
To develop a fabrication-tolerant coupler for CMOS compatibility.

Main Methods:

Design and fabrication of a metal-insulator-semiconductor coupler.
Integration of silicon photonic and hybrid-plasmonic waveguides.
Measurement of coupling efficiency.

Main Results:

Achieved coupling efficiencies up to 94% (-0.27 dB).
Demonstrated a fabrication-tolerant metal-insulator-semiconductor structure.
Showcased adaptability to various materials, including CMOS-compatible ones.

Conclusions:

The demonstrated coupler enables efficient light transfer.
This technology is a promising building block for low-loss active plasmonic devices.
The fabrication tolerance and material adaptability facilitate integration into existing processes.