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Conferences > ACP > 2009 > ThF > ThF5

Spectrum Efficiency Improvement of Directly Detected OFDM Based on Balance Receiver

Chao Tang, Hongwei Chen, Minghua Chen, and Shizhong Xie

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Abstract

A novel optical single-sideband DD-OFDM system based on balance receiver is proposed and demonstrated. With elimination of inter-modulation distortion (IMD) near the optical carrier, our system achieves spectrum efficiency about 1.54 bps/Hz with 4QAM mapping and CSPR is improved by 3 dB with negligible EVM penalty.

© 2009 OSA, IEEE Photonics Society, SPIE, COS, CIC

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