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Related Experiment Video

Updated: May 22, 2026

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

Photonic Aharonov-Bohm effect based on dynamic modulation.

Kejie Fang¹, Zongfu Yu, Shanhui Fan

¹Department of Physics, Stanford University, Stanford, California 94305, USA.

Physical Review Letters

|May 17, 2012

Summary

Modulating a photonic system

Area of Science:

Photonics
Quantum Optics
Condensed Matter Physics

Background:

Photonic systems offer tunable properties.
Gauge potentials are fundamental in quantum mechanics.
Optical isolation is crucial for integrated photonic circuits.

Purpose of the Study:

To investigate the role of modulation phase in photonic systems.
To demonstrate a novel mechanism for optical isolation.
To explore the creation of a photonic Aharonov-Bohm effect.

Main Methods:

Harmonic modulation of the refractive index in a photonic system.
Theoretical analysis of effective gauge potentials for photons.
Investigating the Aharonov-Bohm effect in photonic systems.

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Main Results:

The phase of harmonic modulation creates an effective gauge potential for photons.
This gauge potential enables the photonic Aharonov-Bohm effect.
The photonic Aharonov-Bohm effect achieves complete nonmagnetic optical isolation on-chip.

Conclusions:

Effective gauge potentials can be engineered in photonic systems.
The photonic Aharonov-Bohm effect is a powerful tool for optical control.
This work presents an optimal nonmagnetic solution for on-chip optical isolation.