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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
Published on: March 20, 2017
Effective simulation method for parametric signal-noise interaction in transmission fibers
Evgeny Vanin1, Gunnar Jacobsen, Anders Berntson
1Acreo AB, Electrum 236, SE-16440 Kista, Sweden. evgeny.vanin@acreo.se
Optics Letters
|July 13, 2006
Summary
We present a novel numerical method for simulating optical fiber transmission systems and noise evolution. This approach accurately models amplified spontaneous emission (ASE) noise interactions, enhancing system performance analysis.
Area of Science:
- Optical Communications
- Nonlinear Optics
- Signal Processing
Background:
- Optical fiber systems face challenges from amplified spontaneous emission (ASE) noise.
- Nonlinear interactions between ASE and signals complicate noise analysis.
- Accurate simulation of correlated noise evolution is crucial for system performance.
Purpose of the Study:
- To develop an effective numerical simulation method for transmission system performance.
- To study correlated noise evolution in optical fibers considering nonlinear parametric interactions.
- To evaluate the accuracy of the proposed method and analytical receiver model limitations.
Main Methods:
- Utilizing the full nonlinear Schrödinger equation (NLSE) for propagation.
- Employing an analytical model for the optical receiver.
- Evaluating the noise covariance matrix.
- Verifying the method with extensive brute-force Monte Carlo simulations.
Main Results:
- The proposed method provides effective numerical simulation of transmission system performance.
- The study analyzes correlated noise evolution due to nonlinear parametric interaction.
- Accuracy of the method was tested against Monte Carlo simulations.
- Limitations of the analytical receiver model were identified for non-Gaussian noise.
Conclusions:
- The developed method offers an effective approach for simulating optical transmission systems.
- Understanding noise covariance is key to managing performance degradation.
- The study highlights the importance of considering noise non-Gaussianity in receiver modeling.
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