YOFC Unveils MaxBand® OM4 Pro/Ultra Series of Multimode Fibres

In the field of short-haul optical communications for data centers, transmission solutions using vertical cavity surface emitting lasers (VCSELs) and multimode fibres (MMFs) are favored for their cost-effectiveness. For 25 Gbaud transmission, OM3 and OM4 fibres have become the dominant choice for link coverage ranging from 70 to 100 meters. However, as data centers transition to higher transmission speeds, the industry is shifting towards the use of 100G/Lane VCSEL transceivers. This shift has introduced new challenges for fibre, the medium for data transmission. Issues such as the central wavelength drift of the light source and bandwidth limitations of traditional OM4 fibre at 850nm or longer wavelengths may lead to a reduction in link transmission distance.

To address these challenges, Yangtze Optical Fibre and Cable Joint Stock Limited Company (hereinafter referred to as "YOFC") has leveraged its deep technical expertise in MMFs to design the high-performance MaxBand® OM4 Pro/Ultra series of MMFs, specifically tailored for 100G/Lane optical transceivers. These new fibre products enhance the transmission efficiency of data centers.

YOFC's MaxBand® OM4 Pro/Ultra series of MMFs are fully compatible with existing OM4 and OM5 fibre optic standards, as well as systems based on these standards.

Traditional OM4 fibre provides high bandwidth at 850nm but is limited in bandwidth for longer wavelengths with a narrow operating window. By expanding the operating window to 850~870nm, YOFC's MaxBand® OM4 Pro fibre effectively compensates for signal degradation resulting from wavelength shifts in optical modules. This ensures high-quality signal transmission, reduces connectivity costs for AI data centers, and enables a seamless upgrade for data center multimode connectivity solutions to 400G, 800G, and higher speeds.

OM4 Ultra fibre extends the operating window to 910nm, achieving dual operating windows of 850~870nm and 910nm. This innovative design supports 400Gb/s, 800Gb/s, and 1.6Tb/s single-wavelength and dual-wavelength transmission systems. Utilizing wavelength division multiplexing (WDM) technology, it enables high-speed transmission through fewer fibres, paving the way for potential upgrades to 1.6Tb/s in data centers.

YOFC MaxBand® OM5 fibre provides comprehensive high bandwidth in the 850~950nm wavelength range. It supports BiDi or SWDM multi-wavelength transmission systems from 40Gb/s to 1.6Tb/s, offering a robust fibre foundation for future SWDM transmission solutions of 1.6Tb/s and above.

With the advancement of data center technology, YOFC's MMFs have evolved from single-window to wide-window, dual-window, and multi-window solutions, offering comprehensive fibre options to customers. These innovative fibre products not only fulfill the demand for higher-speed networks but also ensure backward compatibility, facilitating seamless integration with existing technologies. By providing new fibre optic solutions, YOFC supports the green and low-carbon development of large-scale data centers in the age of AI, driving data centers toward a more efficient and environmentally friendly future.

As a global leader in optical communications, YOFC has been deeply committed to innovation in MMFs for many years. Their MMF products are widely used around the world, earning the trust and praise of numerous customers. With these groundbreaking solutions, YOFC is dedicated to satisfying the growing demand for data transmission with enhanced efficiency and reliability. In doing so, the company is facilitating the growth of data centers in the AI era and beyond by addressing their need for higher speeds.

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