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Ericsson and T-Com Successfully Complete World's First Trial For Nextgen 43Gbps Optical Transmission Technology Posted on: 26/09/2006 Ericsson (NASDAQ:ERIC) and Deutsche Telekom's fixed network unit, T-Com, have successfully completed the world's first trial for next-generation 43Gbps optical transmission technology over a 1000km link in T-Com's DWDM network in Germany. Enabling 40Gbps connections between its IP core routers, this technology will allow T-Com to expand its network capacity in order to meet the rapid growth in broadband services usage.The use of 40Gbps optical transmission facilitates a cost-efficient evolution for operators towards higher optical link capacities on existing and new infrastructure. This technology enables 40Gbps long-distance transmission over existing 10Gbps DWDM infrastructure and provides the operator with traffic growth potential of up to 6.4Tbps per fiber pair.The trial was conducted over T-Com's optic link between the German cities of Nuremberg and Oschatz (1047km), which is equipped with Ericsson's WDM platform. Ericsson's next-generation 43Gbps optical transmission technology is based on the new modulation format return-to-zero differential quadrature phase shift keying (RZ-DQPSK). This modulation format exhibits high robustness against PMD (Polarization Mode Dispersion). News story posted by: BroadGroup
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