Opnext has demonstrated a single wavelength, real-time coherent 127G PM-QPSK (Polarization Multiplexed Quadrature Phase Shift Keying) modem on the TeliaSonera network running through Sweden. The TeliaSonera real-time, single wavelength 100G field trial was conducted over a long haul link with 10 Gbps and 40 Gbps mixed traffic from Uppsala, Sweden to Olofström, Sweden and back for a total distance of 1700km.

The Daily


Trian Buys Comcast Shares

Hedge fund Trian Fund Management has taken an $870mln stake in Comcast . Trian has now accumulated approximately 20mln shares in the MVPD, according to a WSJ report. “We have recently begun what we believe

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