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Updated: Jun 14, 2026
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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
Published on: March 20, 2017
Summary
This study extends pulse distortion theory for single-mode fibers to multi-wavelength injection lasers. It provides analytical expressions for transmitted pulse shape and width, crucial for optical communication systems.
Area of Science:
- Optical Engineering
- Photonics
- Telecommunications
Background:
- Pulse distortion in single-mode fibers is a critical challenge in optical communications.
- Existing theories often focus on single-wavelength sources, limiting applicability to modern laser systems.
Purpose of the Study:
- To extend the theory of pulse distortion in single-mode fibers.
- To incorporate multi-wavelength laser sources, specifically injection lasers.
- To provide analytical solutions for transmitted pulse characteristics.
Main Methods:
- The study extends existing pulse distortion theory.
- It utilizes Fourier integral analysis to model the transmitted pulse.
- Analytical expressions are derived for the spectral function and root-mean-square (rms) width of the pulse.
Main Results:
- An analytical expression for the spectral function of the transmitted pulse is derived.
- A closed-form expression for the rms width of the transmitted pulse is obtained.
- Numerical examples demonstrate the impact of source spectral width and asymmetry on pulse shape and width.
Conclusions:
- The extended theory accurately models pulse distortion from multi-wavelength injection lasers.
- The derived analytical expressions offer valuable tools for designing and analyzing optical fiber communication systems.
- Source spectral characteristics significantly influence transmitted pulse behavior.
