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Manakov solitons and polarization mode dispersion.
1Department of Electrical Engineering and Computer Science, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.
Chaos (Woodbury, N.Y.)
|June 5, 2003
Summary
Polarization mode dispersion (PMD) affects Manakov and dispersion managed solitons. Solitons can resist PMD up to a specific instability threshold, with an analytical expression derived for this limit.
Area of Science:
- Optical physics
- Nonlinear optics
- Soliton dynamics
Background:
- Polarization mode dispersion (PMD) is a significant impairment in optical fiber communication systems.
- Manakov and dispersion managed solitons are crucial for high-speed data transmission.
Purpose of the Study:
- To analytically and numerically investigate the impact of PMD on Manakov and dispersion managed solitons.
- To determine the stability limits of solitons under PMD.
Main Methods:
- Analytical modeling of soliton internal motion as a damped harmonic oscillator.
- Numerical simulations to validate analytical findings.
- Derivation of an analytical expression for the PMD instability threshold.
Main Results:
- PMD acts as a white noise source, driving soliton oscillations.
- Solitons exhibit resilience to PMD up to a quantifiable instability threshold.
- The instability threshold was analytically determined for Manakov solitons and evaluated for dispersion managed solitons.
Conclusions:
- The study provides a theoretical framework for understanding PMD effects on optical solitons.
- The derived instability threshold offers insights for designing robust soliton-based communication systems.
- This research contributes to mitigating PMD impairments in high-capacity optical networks.