October 2008
AT&T Inc., NEC Corporation of America and Corning Incorporated have announced completion of a record-setting bandwidth capacity test, a key advance in industry efforts to develop new-generation backbone network technologies that support continually rising demand for Internet and IP applications.
The successful test incorporated emerging 100 Gbps technologies to transmit data at 114 Gigabits per second over each of 161 separate optical channels on a single, 622-kilometer optically amplified link, resulting in a total bandwidth capacity of 17 Terabits per second.
The laboratory link was composed of eight spans, each containing a single-stage, C-band Erbium-doped fiber amplifier (EDFA) and a section of Corning SMF-28 ULL fiber, an ITU G.652 compliant ultra-low-loss optical fiber.
This result sets a new record for bandwidth capacity delivered over a single optical wavelength band, surpassing a previous milestone of 12.3 Tbps over 240 kilometers that was documented last year.
The milestone, presented recently at the European Conference on Optical Communications (ECOC) in Brussels, Belgium, advances development of 100 Gbps technologies, which are expected to be finalized and ready for deployment within the next few years to boost capacity in carrier backbone networks.
"NEC has a long history in achieving the most advanced results in research and development in the optical networking area globally," said Milorad Cvijetic, vice president and chief technology strategist, Optical Network Systems Division, NEC Corporation of America.
"This achievement demonstrates our capability to introduce novel concepts in optical networking and work alongside some of the leading experts in the industry. NEC has been quite focused on the introduction of 100 Gbps technology and these type of results validate our long-term strategy to service the carrier marketplace with viable higher-bandwidth solutions."
"To meet our customers' needs, AT&T is focused on delivering the most advanced technologies available today, while continually leading the industry in researching and developing tomorrow's technology platforms," said Peter Magill, executive director of optical systems research, AT&T Labs.
"As we continue to drive development and push the boundaries of new generations of technology, we are ideally positioned to quickly and efficiently implement them as our customer needs dictate."
"Corning recognizes the need to invest in new and innovative optical fiber technologies that will enable carriers to cost effectively meet ever-growing traffic demands," said Barry Linchuck, director of marketing, Corning Optical Fiber, Corning Incorporated.
"Optical fiber is a foundation of all major telecommunications networks, and Corning is driving advances in ultra low-loss, high-performance fibers to enable network operators to achieve higher capacities per fiber at the operating distances they need."
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