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SNR Optimization through Digital Frequency-Domain Pre-Emphasis for Extending Transmission Distances in DML-Based OFDM-PON Systems

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Abstract

By optimizing the SNR of OFDM-PON systems through frequency-domain pre-emphasis to counter the transmission distortion caused by frequency-chirped lasers, we demonstrate 20-Gb/s fixed-16QAM transmission over 40 km with a 20-dB power-budget for a 5.2-GHz signal-bandwidth.

© 2013 Optical Society of America

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