Modulational Instability in Linearly Coupled Asymmetric Dual-Core Fibers
Abstract
:1. Introduction
2. Coupled-Mode Equations
3. The Linear-Stability Approach
4. Analysis of the Modulational Instability
4.1. The Anomalous-Dispersion Regime
4.1.1. The Effect of the Input Power on the Instability Spectrum
4.1.2. The Role of the Coupling Coefficient
4.1.3. The Impact of Asymmetry Parameters
4.2. The Normal-Dispersion Regime
4.3. The Coupler with Opposite Signs of the Dispersion in the Two Cores
5. Direct Simulations
6. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
Appendix A
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Govindarajan, A.; Malomed, B.A.; Mahalingam, A.; Uthayakumar, A. Modulational Instability in Linearly Coupled Asymmetric Dual-Core Fibers. Appl. Sci. 2017, 7, 645. https://doi.org/10.3390/app7070645
Govindarajan A, Malomed BA, Mahalingam A, Uthayakumar A. Modulational Instability in Linearly Coupled Asymmetric Dual-Core Fibers. Applied Sciences. 2017; 7(7):645. https://doi.org/10.3390/app7070645
Chicago/Turabian StyleGovindarajan, Arjunan, Boris A. Malomed, Arumugam Mahalingam, and Ambikapathy Uthayakumar. 2017. "Modulational Instability in Linearly Coupled Asymmetric Dual-Core Fibers" Applied Sciences 7, no. 7: 645. https://doi.org/10.3390/app7070645