The DCM-CBX is a high-end passive dispersion compensator for the C-band, targeting direct detection-based 40G and 100G optical transport networks. It’s the latest addition to the band-dispersion-compensation product line made by Sweden’s Proximion Fiber Systems AB, a maker of Fiber Bragg Grating (FBG)-based dispersion-compensation modules (DCMs). 

“By offering reductions of up to 70 percent for key optical parameters of Phase Ripple (PR) and Polarization Mode Dispersion (PMD), the DCM-CBX proves well-suited to address the tighter requirements posed by higher bit rate systems as well as more challenging ultra-long-haul 10G links,” the company notes.

According to Product Line Manager Fredrik Sjöström, “With the DCM-CBX, we are able to offer group delay characteristics sufficient for today’s 40G and 100G direct detection OTN, while maintaining low insertion loss and lack of non-linearities at high launch powers—all being key properties allowing amplification- and dispersion-optimized networks.” ? ?

Adds CEO Stefan Ekman, “By introducing a cost-effective dispersion compensator with virtually no negative impact on optical signal to noise ratio (OSNR), I really believe that the DCM-CBX will become an important alternative to the more costly alternatives, especially in a more challenging transmission environment.”

The company will be showing its products at this week’s OFC-NFOEC gathering that starts tomorrow and runs through March 8 in Los Angeles.?

The Daily



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