“We are already building networks that are likely to bring some of the benefits of 5G sooner than 2020”
APPLICATIONS & RESEARCH
Andy Extance – see page 12
Nokia and Facebook break subsea cable performance records
Nokia and Facebook have set new spectral efficiency and capacity records in multiple submarine field trials over a 5,500 km submarine cable, between New York and Ireland. The submarine field trial of Nokia Bell Labs’ new Probabilistic Constellation Shaping (PCS) technology used shaped 64-QAM, which achieved a record spectral efficiency of 7.46 bits/s/Hz and increased the stated capacity of the system by almost 2.5 times. The test also included a successful 11,000 km round trip submarine transmission using shaped 64-QAM, achieving a record spectral efficiency of 5.68 bits/s/Hz, and a first demonstration of 200 Gbits/s and 250 Gbits/s wavelengths and 16-QAM modulation over a transatlantic submarine route using a real-time coherent DSP. Dr. Stephen Grubb, Global Optical Network Architect at Facebook, commented: “Facebook wants to increase
A new record: The field trial, between New York and Ireland, recorded spectral efficiency of 7.46 bits/s/Hz.
available today, we hope to chart a path forward for the industry towards higher capacities, greater reach, and more network flexibility,” added Nokia Head of Optical Networking, Sam Bucci. storage, or compute — widely viewed as the next evolutionary step. The platform will be used in a full suite of next-generation silicon photonics solutions, delivering 100G per lane optical interconnects and will begin with the deployment of 100GBase-DR and 400GBase-DR4 transceivers in 2018, expanding to include other standards based solutions to service 25G, 50G, 100G, 200G, 400G, 800G, and 1 terabit optical interconnects. “TSMC recognises the growing importance of optical interconnect for our customers,” said Dr. BJ Woo, TSMC’s VP Business Development. “Our collaboration with Luxtera will help us to deliver a silicon photonics technology platform to this market that addresses critical industry needs. We are pleased that our work together is quickly demonstrating results.”
laser sources can achieve capacities extremely close to the Shannon limit.” “By demonstrating promising areas of Nokia Bell Labs research such as PCS, as well as coherent technologies Luxtera to offer high-performance silicon photonics platform with TSMC Luxtera has partnered with TSMC for next- generation silicon photonics manufacturing. This cooperation enables key technologies for future cloud, mobile infrastructure, enterprise, and high- performance computing platforms. Together, the companies are developing an “innovative silicon photonics technology platform” intended to more than double optical link performance while enabling four times the raw data rate of any competing silicon photonics solution. The new platform will also enable full system-on- chip integration of optical interconnect, with the CMOS logic for applications including network switch,
the pace of innovation and adoption of next-generation optical technologies. This field trial with Nokia demonstrates that the scalable optical technology of PCS together with narrow linewidth
Adva, Brocade demonstrate 32G fibre channel transmission over 100km
architectures” said Scott Shimomura, senior director, product marketing, Storage Networking, Brocade. The pairing of Brocade’s newly introduced Gen 6 Fibre Channel technology and CloudConnect offers the highest levels of performance, availability and scalability. The transmission of 32Gbit/s Fibre Channel over 100km represents a critical breakthrough in business continuity and disaster recovery planning. As companies evolve towards the new low-cost, high-performance storage model, they require networks that deliver low-latency, high- capacity bandwidth together with maximum reliability. This demonstration of 32Gbit/s Fibre Channel connectivity shows that networks can now maximise the performance of flash array technology.
Adva Optical Networking has successfully transmitted 32Gbit/s Fibre Channel over 100km in a joint field trial with Brocade. The industry- first demonstration utilised Brocade X6 directors together with the ADVA FSP 3000 CloudConnect platform. The trial shows the capabilities of Adva’s data centre interconnect technology to interoperate seamlessly with Brocade Gen 6 Fibre Channel products. The joint solution will offer what Adva calls “unrivalled value” to enterprise customers, addressing the need for higher speeds in the data centre and enabling a smooth transition to flash-based storage solutions. “This successful demonstration is a landmark
for enterprises seeking to evolve their storage applications and network
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| ISSUE 9 | Q2 2017
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