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Writing Bragg Gratings in Multicore Fibers

Writing Bragg Gratings in Multicore Fibers

Published on: April 20, 2016

Birefringence analysis of segmented cladding fiber.

Ajeet Kumar¹, Vipul Rastogi, Arti Agrawal

¹Department of Applied Physics, Delhi Technological University, Delhi, India. ajeetdph@gmail.com

|May 23, 2012

Summary

This summary is machine-generated.

Segmented cladding fibers (SCF) exhibit low birefringence, with minimal changes observed even in elliptical designs. Fabrication variations in segmented cladding parameters do not significantly impact the fiber

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Area of Science:

Optical Fiber Technology
Photonics
Materials Science

Background:

Segmented cladding fibers (SCF) are a type of optical fiber with potential applications in specialized areas.
Understanding the birefringence properties of SCF is crucial for their effective use in optical systems.
Previous analyses have not fully explored the impact of segmentation on SCF birefringence.

Purpose of the Study:

To perform a full-vectorial modal analysis of segmented cladding fibers (SCF).
To investigate the birefringence characteristics of both circular and elliptical SCF.
To determine the influence of segmentation parameters on SCF birefringence.

Main Methods:

Utilizing the H-field vectorial finite element method (VFEM).
Employing a polar mesh geometry for the analysis.
Analyzing circular and elliptical SCF configurations.

Main Results:

Circular SCF exhibit very low birefringence (approximately 1.0×10⁻⁸).
Birefringence in highly elliptical SCF can be slightly tuned by segment number and duty cycle, but the effect is not substantial.
Segmented cladding does not introduce significant birefringence in elliptical fibers.

Conclusions:

Circular SCF inherently possess low birefringence.
The segmented cladding structure has a negligible effect on the overall birefringence of elliptical SCF.
Minor variations in segmented cladding fabrication parameters are unlikely to significantly alter the fiber's birefringence, indicating robustness in manufacturing.