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Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

Thresholdless surface solitons.

Yuliy V Bludov¹, Yaroslav V Kartashov, Vladimir V Konotop

¹Centro de Física, Universidade do Minho, Campus de Gualtar, Braga 4710-057, Portugal.

|October 23, 2010

Summary

This summary is machine-generated.

We discovered novel nonlinear surface waves that do not need threshold energy for excitation and exist at low powers. These thresholdless surface solitons are stable and extend into both media at the interface.

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Area of Science:

Nonlinear optics
Condensed matter physics
Materials science

Background:

Surface waves are crucial in various optical and electronic applications.
Conventional surface states, like Tamm states, often require specific conditions or threshold energies for excitation.
Understanding nonlinear surface phenomena is key to developing advanced optical devices.

Purpose of the Study:

To report the existence of novel nonlinear surface waves.
To investigate their unique excitation properties and stability.
To explore their behavior at low power regimes and compare them to conventional surface states.

Main Methods:

Theoretical analysis of nonlinear wave propagation at interfaces.
Investigating conditions for excitation in periodically modulated media.
Numerical simulations to confirm wave existence and stability.

Main Results:

Demonstrated the existence of nonlinear surface waves without a threshold energy requirement.
Showcased that these waves extend into both media at low powers, distinguishing them from Tamm states.
Confirmed the stability of these thresholdless surface solitons across their entire existence domain.

Conclusions:

Periodic modulation of refractive index enables the excitation of novel, thresholdless nonlinear surface waves.
These waves offer new possibilities for light manipulation at interfaces.
The findings pave the way for advanced photonic and optoelectronic applications.