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Linear Approximation in Frequency Domain

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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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Published on: March 20, 2017

Nonlinear supratransmission in multicomponent systems.

P Anghel-Vasilescu1, J Dorignac, F Geniet

  • 1Laboratoire de Physique Théorique et Astroparticules, CNRS-IN2P3-UMR5207, Université Montpellier 2, 34095 Montpellier, France.

Physical Review Letters
|September 28, 2010
PubMed
Summary
This summary is machine-generated.

A new method determines the supratransmission threshold in complex nonlinear systems. This approach successfully analyzes spatial gap solitons in birefringent media, offering broad applicability.

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Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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Last Updated: Jun 8, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

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Published on: March 20, 2017

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06:25

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Published on: February 12, 2014

Area of Science:

  • Nonlinear optics
  • Condensed matter physics

Background:

  • Determining the supratransmission threshold is crucial for understanding instability in nonlinear systems.
  • Nonintegrable nonlinear systems present significant challenges in theoretical analysis.

Purpose of the Study:

  • To propose and validate a novel method for calculating the supratransmission threshold.
  • To demonstrate the method's effectiveness in a specific physical system.

Main Methods:

  • The study introduces a new analytical method to determine the supratransmission threshold.
  • The method is applied to the degenerate three-wave resonant interaction model.

Main Results:

  • The proposed method successfully determines the supratransmission threshold in the studied system.
  • The interaction generates spatial gap solitons in a birefringent quadratic medium.
  • The method's broad applicability is highlighted by the lack of known analytic solutions for this model.

Conclusions:

  • The developed method provides a robust tool for analyzing nonlinear systems.
  • This work advances the understanding of spatial gap solitons and instability thresholds.