Large-Core Optics for Simplified Short-Range FSO Links
Florian Honz (1), Bernhard Schrenk (1) ((1) AIT Austrian Institute of, Technology)
TL;DR
This paper investigates large-core free-space optical links, demonstrating that spectral launch tuning can mitigate bandwidth fading caused by multi-mode propagation, thereby restoring high data capacity in short-range optical communication systems.
Contribution
It introduces a method to mitigate bandwidth fading in large-core FSO links using spectral launch tuning, enabling high-capacity data transmission.
Findings
Spectral launch tuning restores 84% of single-clad fiber capacity.
Large-core fibers can achieve 10 Gb/s per wavelength despite multi-mode effects.
Mitigation techniques improve short-range FSO link performance.
Abstract
We evaluate large-core FSO links where excellent coupling pairs with bandwidth fading due to multi-mode propagation. The 10-Gb/s/{\lambda} limit for 105-{\mu}m double-clad fibers is mitigated by spectral launch tuning, restoring 84% of single-clad 25-Gb/s/{\lambda} capacity.
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Taxonomy
TopicsOptical Wireless Communication Technologies · Advanced Fiber Optic Sensors · Semiconductor Lasers and Optical Devices