Related Experiment Video
Updated: May 31, 2026

09:36
Characterization of Anisotropic Leaky Mode Modulators for Holovideo
Published on: March 19, 2016
Large-mode-area leaky optical fiber fabricated by MCVD
Bernard Dussardier1, Vipul Rastogi, Ajeet Kumar
1Laboratoire de Physique de la Matière Condensée, Université de Nice Sophia Antipolis, CNRS, UMR 6622, F-06108 Nice Cedex, France. bernard.dussardier@unice.fr
Applied Optics
|July 12, 2011
Summary
Researchers developed a large-mode-area single-mode optical fiber using leaky-mode filtering. This novel fiber effectively isolates the fundamental mode, paving the way for advanced optical communication applications.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Achieving single-mode operation in large-mode-area optical fibers is crucial for high-capacity optical communications.
- Traditional methods often face limitations in balancing mode field diameter and single-mode performance.
Purpose of the Study:
- To design and fabricate a large-mode-area optical fiber capable of single-mode operation.
- To investigate the effectiveness of leaky-mode filtering for mode discrimination.
Main Methods:
- Utilized the modified chemical vapor deposition (MCVD) technique for fiber fabrication.
- Incorporated a specifically designed leaky cladding structure to influence mode propagation.
- Characterized the fiber's optical properties, including mode field diameter and numerical aperture.
Main Results:
- Successfully prepared a large-mode-area single-mode optical fiber.
- Demonstrated leaky-mode filtering, discriminating the fundamental mode from higher-order modes.
- Observed a Gaussian-like fundamental mode with a 22 μm mode field diameter after 3 m propagation.
Conclusions:
- The developed leaky-mode filtering optical fiber enables large-mode-area single-mode operation.
- Experimental results align with theoretical modeling, validating the design approach.
- This technology holds potential for enhancing optical fiber performance in communication systems.

