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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

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Discrete light bullets in coupled optical resonators.

K Panajotov, Mustapha Tlidi, Yufeng Song

|August 13, 2021

Summary

This summary is machine-generated.

Stable three-dimensional localized structures, known as discrete light bullets, can form in coupled nonlinear optical cavities. The study shows these structures can be bright or dark, depending on the system

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Area of Science:

Nonlinear optics
Photonics
Optical cavities

Background:

Coupled nonlinear optical cavities are key components in photonic devices.
Understanding the behavior of light within these systems is crucial for developing new optical technologies.
The discrete generalized Lugiato-Lefever equation models the dynamics of such coupled systems.

Purpose of the Study:

To investigate the formation of stable three-dimensional localized structures (discrete light bullets) in arrays of coupled nonlinear optical cavities.
To analyze the influence of anomalous and normal dispersion on the characteristics of these discrete light bullets.
To explore the potential for generating clusters of discrete light bullets.

Main Methods:

Numerical simulations based on the discrete generalized Lugiato-Lefever equation.
Analysis of coupled nonlinear optical cavity arrays under coherent optical injection.
Examination of systems with both anomalous and normal dispersion properties.

Main Results:

Prediction of stable three-dimensional localized structures, termed discrete light bullets, in coupled optical resonators.
Demonstration that anomalous dispersion leads to the generation of bright discrete light bullets.
Observation that normal dispersion results in the formation of dark discrete light bullets.

Conclusions:

Stable discrete light bullets and their clusters can be generated in coupled nonlinear optical cavities.
Dispersion properties (anomalous vs. normal) determine whether bright or dark discrete light bullets are formed.
These findings have implications for the design and control of light propagation in photonic systems.