Comment on Laser puts record data rate through fibre: 26 terabits per secondComments−patrickgzill15yCan someone "compare and contrast" this with existing CWDM and DWDM technologies, which also use different "colors" (think different frequencies, really) traveling over the same fiber?−oasisbob15yI was wondering the same thing, and tracked down the original article: http://www.nature.com/nphoton/journal/vaop/ncurrent/full/nph...There's a diagram available in the abstract that compares OFDM (the technique they use) with WDM.Apparently OFDM only uses a single light-source, versus (C|D)WDM, which multiplex multiple discrete wavelengths onto the same fiber.
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Can someone "compare and contrast" this with existing CWDM and DWDM technologies, which also use different "colors" (think different frequencies, really) traveling over the same fiber?
I was wondering the same thing, and tracked down the original article: http://www.nature.com/nphoton/journal/vaop/ncurrent/full/nph...
There's a diagram available in the abstract that compares OFDM (the technique they use) with WDM.
Apparently OFDM only uses a single light-source, versus (C|D)WDM, which multiplex multiple discrete wavelengths onto the same fiber.