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.

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Cable One Navigating a Storm

Cable One ’s stock dropping north of 40% on Friday was an indicator of how the company’s 1Q25 earnings call went after the bell Thursday. Revenue fell 5.9% YOY to $380.6 million, net income declined 93% to

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