ClariPhy to demo 10G MLSD PHY in XFP application at ECOC '08

Sept. 16, 2008
SEPTEMBER 16, 2008 -- "The demonstration of error-free 10G transmission over 100 km of fiber using uncooled DML technology represents a dramatic breakthrough in optical networking and shows the clear cost and performance advantage that MLSD-based EDC offers the market," contends Paul Voois, cofounder and CEO of ClariPhy .

SEPTEMBER 16, 2008 -- ClariPhy Communications Inc. (search for ClariPhy Communications) will demonstrate its all-digital CMOS 10-Gbit/sec maximum likelihood sequence detection (MLSD) technology in an XFP application at ECOC 2008, Europe's largest conference on optical communications. The demonstration will be in combination with Sumitomo Electric Industries' (search for Sumitomo Electric Industries) uncooled directly modulated laser (DML) technology and will be presented in Sumitomo Electric Europe Ltd's Booth #257.

ClariPhy says its MLSD PHY is a low-power, all-digital CMOS integrated circuit (IC) that delivers optimal electronic dispersion compensation (search for EDC) performance in optical links ranging from a few meters in data centers up to hundreds of kilometers in long-haul telecom networks. Because of its performance advantage over all other receiver technologies, MLSD is used ubiquitously in lower speed communications applications such as hard disk drive read channels, but ClariPhy claims to be the first and only vendor to offer 10-Gbit/sec MLSD technology in a single-chip CMOS IC.

According to the company, the superior performance of it's MLSD PHY can dramatically lower total cost in optical networks by lowering the cost and power of optical components without sacrificing link performance. The demonstration at ECOC offers a clear example of this benefit: the combination of ClariPhy's MLSD PHY and SEI's uncooled DML technology achieves 100-km transmission over singlemode fiber at a bit error rate less than 1e-12 in a low-power XFP form factor. To achieve such performance without ClariPhy's MLSD technology would require temperature controlled lasers and external modulation, say company representatives, a combination that would be much more expensive and power-hungry.

"We are very pleased with the performance of ClariPhy's MLSD PHY in combination with SEI's DML technology," reports Terry Fujitani, department head of the Lightwave Technologies Department, Optical Transmission Components Division, Sumitomo Electric Industries. "Together, these technologies provide a very compelling value proposition to the optical networking market."

"We welcome the opportunity to showcase our MLSD PHY in conjunction with SEI at ECOC 2008," adds Dr. Paul Voois, cofounder and CEO of ClariPhy. "The demonstration of error-free 10G transmission over 100 km of fiber using uncooled DML technology represents a dramatic breakthrough in optical networking and shows the clear cost and performance advantage that MLSD-based EDC offers the market."


Visit ClariPhy Communications Inc.

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