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Digital OFDM-PON Employing Binary Intensity Modulation and Direct Detection Channels

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In this paper, a delta-sigma modulation is proposed to enable transmission of OFDM signals by cost-effective binary IM-DD channels. Compared to traditional OFDM-PON, around 4-dB improvement in receiver sensitivity is achieved with the 20% average EVM.

© 2017 Optical Society of America

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