Long-haul Networks
Long-haul terrestrial optical fiber networks connect countries and cities throughout the world. Today, these networks typically range from a few dozen to a few thousand kilometers, and have largely migrated to 10 Gb/s-based dense wavelength division multiplexed (DWDM) systems with 32 channels or more. Corning's innovative line of optical fibers meets all of these requirements for distance, bit rate, and capacity. Corning fibers are capable of managing both the dispersion that accumulates as light signals travel over long distances, and the non-linear penalties that can limit reach and performance.
Corning fiber products also help network carriers maintain lower costs by increasing the distance between optical amplifiers and the overall transparent reach. Also, they are designed to support future network technologies, including upgrades to 40G, spectrally efficient systems and the emerging migration to 100G systems. Corning's long-haul terrestrial fiber products all feature best-in-class attenuation specifications.
Corning® SMF-28e+® LL optical fiber
Corning® SMF-28e+® LL optical fiber is an ITU-T G.652.D compliant fiber that builds on Corning's low-loss fiber technology. It offers industry leading specification for attenuation and polarization mode dispersion for long-haul, metro, and access networks.
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Corning® SMF-28® ULL fiber
Corning® SMF-28® ULL fiber has the lowest loss of any terrestrial grade single-mode fiber as well as the lowest PMD of any ITU-T G.652 compliant fiber. Combined, these features provide spare network margin that can be leveraged to extend network span lengths, skip amplification sites, upgrade to faster bit rates, and add network components for improved flexibility or lengthen the distance between regenerators
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Corning® LEAF® optical fiber
Corning® LEAF® optical fiber is the world’s most widely deployed non-zero dispersion shifted fiber (NZ-DSF), and has the lowest attenuation performance for any NZ-DSF. Optimized for long-haul networks, LEAF fiber is a technically advanced fiber that provides high capacity, broad system flexibility and superior performance.
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