Improvement in Bandwidth-Limitation Tolerance and Achievement of 1-Sps Chromatic-Dispersion Pre-compensation Using Polarization-Interleaved 4-Level/7-Level Coding PAM

摘要

We have achieved polarization-interleaved 4-level/7-level coding PAM transmission using 1-Sps pre-compensation for chromatic dispersion with a narrow-electrical-bandwidth limitation based on numerical simulations. We experimentally confirm the scheme feasibility using 112-Gb/s signal and 20-GHz bandwidth limitation in a conventional direct-detection system.