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Updated: Jul 6, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Coherence and incoherence in extended broadband triplet interaction
1Departamento de Física, Centro de Ciências Exatas e Tecnologia Universidade Federal do Mato Grosso do Sul, Postal 549, 79070-900 Campo Grande, MS, Brazil.
We investigated the shift from coherent to incoherent dynamics in nonlinear wave interactions. Our study defines coherence conditions within a larger mode band where wave momentum selection rules are active.
Area of Science:
- Nonlinear dynamics
- Wave physics
- Complex systems
Background:
- Previous studies focused on narrower wave mode bands.
- Nonlinear interactions in those systems were not constrained by wave momentum selection rules.
Purpose of the Study:
- To investigate the transition from coherent to incoherent dynamics in a nonlinear triplet of broadband waves.
- To expand the analysis to systems with a larger band of available modes.
- To examine how and when coherence can be defined under active wave momentum selection rules.
Main Methods:
- Analysis of nonlinear triplet dynamics.
- Investigation of broadband wave interactions.
- Examination of wave momentum selection rules.
Main Results:
- Identified the transition from coherent to incoherent dynamics.
- Characterized the influence of expanded mode bands on nonlinear interactions.
- Determined conditions for defining coherence in the presence of active selection rules.
Conclusions:
- Coherence in nonlinear wave systems is dependent on the interplay between mode bandwidth and selection rules.
- The study provides a framework for understanding coherence in complex wave interactions.
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