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Entries in Robert Blum (4)


The CWDM8 MSA avoids PAM-4 to fast-track 400G  

Another multi-source agreement (MSA) group has been created to speed up the market introduction of 400-gigabit client-side optical interfaces.

The CWDM8 MSA is described by its founding members as a pragmatic approach to provide 400-gigabit modules in time for the emergence of next-generation switches next year. The CWDM8 MSA was announced at the ECOC show held in Gothenburg last week.

Robert BlumThe eight-wavelength coarse wavelength-division multiplexing (CWDM) MSA is being promoted as a low-cost alternative to the IEEE 803.3bs 400 Gigabit Ethernet Task Force’s 400-gigabit eight-wavelength specifications, and less risky than the newly launched 100G Lambda MSA specifications based on four 100-gigabit wavelengths for 400 gigabit.

“The 100G Lambda has merits and we are also part of that MSA,” says Robert Blum, director of strategic marketing and business development at Intel’s silicon photonics product division. “We just feel the time to get to 100-gigabit-per-lambda is really when you get to 800 Gigabit Ethernet.”

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Oclaro demonstrates flexible rate coherent pluggable module


  • The CFP2 coherent optical module operates at 100 and 200 Gig
  • Samples are already with customers, with general availability in the first half of 2015
  • Oclaro to also make more CFP2 100GBASE-LR4 products


The CFP2 is not just used in metro/ regional networks but also in long-haul applications

Robert Blum



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ECOC 2012 summary - Part 1: Oclaro

Gazettabyte completes its summary of key optical announcements at the recent ECOC show held in Amsterdam. Oclaro's announcements detailed here are followed by those of Finisar and NeoPhotonics.

Part 1: Oclaro


"Networks are getting more complex and you need automation so that they are more foolproof and more efficient operationally"

Per Hansen, Oclaro

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Huawei's novel Petabit switch 

The Chinese equipment maker showcased a prototype optical switch at this year's OFC/NFOEC that can scale to 10 Petabit. 


"Although the numbers [400,000 lasers] appear quite staggering, they point to a need for photonic integration"

Reg Wilcox, Huawei



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