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Related Concept Videos

Interference and Diffraction02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
Interference and Superposition of Waves01:07

Interference and Superposition of Waves

When two waves of the same nature occur in the same region simultaneously, they result in interference. Interference of waves implies that the net effect of the waves is the sum of the individual waves' effects. However, it does not imply that the individual waves affect the propagation of other waves.
Interference occurs in mechanical waves, such as sound waves, waves on a string, and surface water waves. Mechanical waves correspond to the physical displacement of particles. Hence,...
Propagation of Waves01:07

Propagation of Waves

When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
Standing Waves01:17

Standing Waves

Sometimes waves do not seem to move; rather, they just vibrate in place. Unmoving waves can be seen on the surface of a glass of milk kept in a refrigerator, which is one example of standing waves. Vibrations from the refrigerator motor create waves on the milk that oscillate up and down but do not seem to move across the surface. These waves are formed or created by the superposition of two or more identical moving waves in opposite directions. The waves move through each other, with their...
Sound Waves: Interference00:53

Sound Waves: Interference

Sound waves can be modeled either as longitudinal waves, wherein the molecules of the medium oscillate around an equilibrium position, or as pressure waves. When two identical waves from the same source superimpose on each other, the combination of two crests or two troughs results in amplitude reinforcement known as constructive interference. If two identical waves, that are initially in phase, become out of phase because of different path lengths, the combination of crests with troughs...

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Related Experiment Video

Updated: Jun 15, 2026

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

Giant dispersive wave generation through soliton collision.

M Erkintalo1, G Genty, J M Dudley

  • 1Department of Physics, Tampere University of Technology, FI-33101 Tampere, Finland.

Optics Letters
|March 3, 2010
PubMed
Summary

We numerically studied supercontinuum generation in photonic crystal fiber. Soliton collisions created rogue waves with 10x higher peak power than single solitons.

Area of Science:

  • Nonlinear Optics
  • Photonics
  • Fiber Optics

Background:

  • Supercontinuum generation is crucial for spectroscopy and optical communications.
  • Photonic crystal fibers (PCFs) offer unique dispersion properties for controlling light propagation.
  • Understanding nonlinear dynamics in PCFs is key to optimizing light generation.

Purpose of the Study:

  • To numerically investigate long pulse supercontinuum generation in a PCF with two zero-dispersion wavelengths.
  • To analyze the dynamical effects of soliton collisions on dispersive wave generation.
  • To characterize the peak power and statistical properties of generated dispersive waves.

Main Methods:

  • Numerical simulations of nonlinear pulse propagation in PCFs.
  • Modeling of supercontinuum generation dynamics.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Generation and Coherent Control of Pulsed Quantum Frequency Combs

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Last Updated: Jun 15, 2026

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
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Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

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  • Analysis of soliton interactions and dispersive wave excitation.
  • Statistical analysis of dispersive wave peak power.

    • Main Results:

    • A dynamical effect was observed where soliton collisions significantly enhance dispersive wave peak power.
    • Collision-induced dispersive waves exhibited peak powers one order of magnitude greater than single-soliton generation.
    • The dispersive wave peak power demonstrated extreme-value "rogue" characteristics.
    • Collision events were found to populate the long tail of the peak power distribution.

    Conclusions:

    • Soliton collisions in PCFs are a critical mechanism for generating high-power dispersive waves.
    • The observed rogue wave characteristics highlight the complex nonlinear dynamics at play.
    • This finding has implications for designing advanced light sources with controllable extreme outputs.