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Related Experiment Video

Updated: May 18, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Magnetic interaction in all silicon waveguide spherical coupler device.

Lei Shi¹, Francisco Meseguer

¹COBRA Research Institute, Technische Universiteit Eindhoven 5600 MB Eindhoven, The Netherlands. e.kleijn@tue.nl

|October 6, 2012

Summary

We demonstrate a significant magnetic interaction in silicon nanocavities, creating a 3D magnetic trap. This finding is crucial for understanding light behavior in dielectric materials at optical frequencies.

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Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

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Area of Science:

Photonics
Materials Science
Nanotechnology

Background:

The magnetic component of light is typically ignored in dielectrics at optical frequencies.
It is, however, essential in metal-based metamaterials.

Purpose of the Study:

To investigate the role of magnetic interaction in a dielectric spherical silicon nanocavity coupled to a silicon waveguide.
To explore the potential for creating novel optical phenomena using dielectric nanostructures.

Main Methods:

Analytical calculations.
Finite difference time domain (FDTD) simulations.
Excitation of magnetic-like Mie resonances.

Main Results:

The magnetic interaction plays a dominant role in the coupled nanocavity-waveguide system.
A three-dimensional (3D) magnetic trap effect was observed.
The effect is linked to the excitation of magnetic-like Mie resonances.

Conclusions:

Dielectric nanostructures can exhibit significant magnetic responses at optical frequencies.
The observed 3D magnetic trap has implications for optical trapping and manipulation.
This work highlights the importance of considering magnetic effects in dielectric photonic systems.