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Dispersive radiation induced by shock waves in passive resonators
Optics Letters
|November 1, 2014
Summary
Passive Kerr resonators can generate linear waves from cavity shock waves near zero dispersion wavelengths. This novel resonance mechanism is described by a generalized Lugiato-Lefever equation, differing from cavity soliton radiation.
Area of Science:
- Nonlinear optics
- Photonics
- Cavity optodynamics
Background:
- Passive Kerr resonators are fundamental in nonlinear optics.
- Understanding wave generation mechanisms in optical cavities is crucial for developing advanced photonic devices.
- Cavity shock waves represent a complex nonlinear phenomenon within optical systems.
Purpose of the Study:
- To investigate the resonant generation of linear waves in passive Kerr resonators.
- To explore the role of cavity shock waves in driving this linear wave generation.
- To analyze the underlying physics using theoretical modeling.
Main Methods:
- Numerical simulations of passive Kerr resonators.
- Analysis of wave dynamics near zero dispersion wavelengths.
- Application of the generalized Lugiato-Lefever equation with higher-order dispersion.
Main Results:
- Demonstration of resonant linear wave generation driven by cavity shock waves.
- Identification of the normal dispersion side near zero dispersion wavelengths as a key operating regime.
- Successful theoretical description using the generalized Lugiato-Lefever equation.
Conclusions:
- Passive Kerr resonators exhibit a novel resonance mechanism for linear wave generation.
- Cavity shock waves play a critical role in this phenomenon.
- The generalized Lugiato-Lefever equation provides an accurate framework for understanding these dynamics, distinct from cavity solitons.
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