POF misalignment model based on the calculation of the radiation pattern using the Hankel transform

Area of Science:

• Optical Engineering
• Photonics
• Telecommunications

Background:

• Fiber optic communication systems are susceptible to performance degradation due to connector misalignments.
• Accurate estimation of misalignment losses is crucial for predicting overall link performance.

Purpose of the Study:

• To develop a novel method for estimating misalignment losses in fiber optic systems.
• To improve the accuracy and efficiency of loss calculations in optical propagation models.

Main Methods:

• Calculating radiated angular power distribution using the fiber far-field pattern (FFP).
• Employing the Hankel transform to simplify and accelerate loss estimations.
• Adapting the methodology to account for both scalar loss and angular dependence.

Main Results:

• The proposed method provides accurate estimates for combined transversal and longitudinal losses at various offset distances.
• The methodology successfully describes scalar loss and its angular dependency caused by misalignments.
• The approach can be integrated into existing simulation software to enhance connector matrix models.

Conclusions:

• This method offers a robust way to assess misalignment effects throughout an optical link.
• The technique enables better prediction of optical system performance for different layouts.
• The approach facilitates the upgrade of propagation models for more comprehensive simulations.