EXFO says its PSO-200 Optical Modulation Analyzer has simultaneously measured the bit error rate (BER) of a DP-NRZ-16-QAM signal beyond the industry-required forward error correction (FEC) limit and demonstrated waveform measurements using industry-standard ‘word length’, all at a 66 GBd rate.? ?The result of this demonstration shows that the PSO-200 offers an efficient solution for characterization of 100 Gbps signals, and is also a flexible approach for characterization of signals beyond 100 Gbps – where both multilevel QAM and higher symbol rates will likely be used.

The Daily


Going for Four: Cantwell’s Spectrum Bill Gets Some Key Support

Yes, today’s scheduled markup of Senate Commerce Chair Maria Cantwell’s spectrum bill was canceled again at the last minute. But this third cancelation comes with a bit more hope that a fourth markup attempt will actually take place next Tuesday.

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