3 ms·
Howdy, I design optical integrated circuits for coherent communication. mmmBacon is correct. See here[0] or [1] for examples of the types of forward error corr
by mstresh 6y ago
Howdy, I design optical integrated circuits for coherent communication. mmmBacon is correct. See here[0] or [1] for examples of the types of forward error correction used in coherent links. Pre-FEC bit error rate thresholds of 1e-3 or 2e-2 for <1e-15 post-FEC errors are fairly standard.
[0] https://www.cablelabs.com/forward-error-correction-fec-a-primer-on-the-essential-element-for-optical-transmission-interoperability https://www.cablelabs.com/forward-error-correction-fec-a-pri...
[1] PDF warning: https://www.infinera.com/wp-content/uploads/Soft-Decision-Forward-Error-Correction-for-Coherent-Super-Channels-0189-WP-RevA-0519.pdf https://www.infinera.com/wp-content/uploads/Soft-Decision-Fo...