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Mathematical model for splice loss estimation in few-mode fibers based on mode field diameter
Optics Express
|November 11, 2025
Summary
We developed a new mathematical model to predict splice losses in few-mode fibers (FMFs). This model accurately estimates losses for each mode based on mode field diameter (MFD) mismatch, aiding fiber optic network design.
Area of Science:
- Optical Fiber Communications
- Telecommunications Engineering
- Mathematical Modeling
Background:
- Splice losses in few-mode fibers (FMFs) impact signal integrity.
- Accurate estimation of these losses is crucial for network design.
Purpose of the Study:
- To present an extended mathematical model for estimating splice losses in FMFs.
- To quantify the relationship between mode field diameter (MFD) mismatch and splice loss per mode.
Main Methods:
- Developed an extended mathematical model incorporating MFD mismatch.
- Performed numerical simulations to validate the model's accuracy.
Main Results:
- The model accurately estimates splice losses for individual modes based on MFDs.
- A quantitative relationship between MFD and splice loss per mode was established.
Conclusions:
- The proposed model provides a valuable tool for telecom operators.
- It aids in designing FMF transmission distances and optimizing splice configurations.
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