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Low-speed DSP assisted dispersion compensation-free IM/DD optical OFDM transmission over 100 km-SMF using time- and frequency-domain sparse-subcarrier multiplexing

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Abstract

Time- and frequency-domain sparse-subcarrier IM/DD optical OFDM system is proposed for dispersion-tolerant transmission. We show a BER improvement for four-subcarrier ×10 Gb/s/subcarrier OFDM, using duo-binary coding and MLSE over 100-km transmission without dispersion compensation.

© 2019 The Author(s)

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