Erbium-doped silica fiber modeling with overlapping factors

Area of Science:

• Photonics and Optical Engineering
• Materials Science

Background:

• Erbium-doped fibers are crucial for optical amplifiers.
• Accurate modeling is needed to optimize amplifier performance.

Purpose of the Study:

• To present a simple yet accurate model for erbium-doped fiber amplifiers.
• To investigate the role of overlapping factors in the model.
• To simplify fiber characterization for modeling.

Main Methods:

• Developed a simplified model for power evolution in erbium-doped silica fibers.
• Incorporated overlapping factors dependent on pump and signal powers.
• Conducted experiments to measure fiber characteristic parameters.

Main Results:

• The model accurately predicts optical gain and amplified spontaneous emission.
• Overlapping factors were systematically studied.
• Reduced computation time compared to complex models.
• Simplified fiber characterization, eliminating radial/azimuthal measurements.

Conclusions:

• The presented model offers an efficient and accurate approach for erbium-doped fiber amplifier analysis.
• The model simplifies the characterization process, making it more practical.
• This work contributes to the optimization of optical amplifier design and performance.