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Single channel and WDM transmission of 28 Gbaud zero-guard-interval CO-OFDM
Author(s) -
Qunbi Zhuge,
Mohamed Morsy-Osman,
Mohammad E. Mousa-Pasandi,
Xian Xu,
Mathieu Chag,
Ziad A. El-Sahn,
Chen Chen,
David V. Plant
Publication year - 2012
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.00b439
Subject(s) - guard interval , orthogonal frequency division multiplexing , quadrature amplitude modulation , phase shift keying , wavelength division multiplexing , bit error rate , spectral efficiency , computer science , channel spacing , transmission (telecommunications) , optics , electronic engineering , forward error correction , channel (broadcasting) , telecommunications , physics , wavelength , engineering , decoding methods
We report on the experimental demonstration of single channel 28 Gbaud QPSK and 16-QAM zero-guard-interval (ZGI) CO-OFDM transmission with only 1.34% overhead for OFDM processing. The achieved transmission distance is 5120 km for QPSK assuming a 7% forward error correction (FEC) overhead, and 1280 km for 16-QAM assuming a 20% FEC overhead. We also demonstrate the improved tolerance of ZGI CO-OFDM to residual inter-symbol interference compared to reduced-guard-interval (RGI) CO-OFDM. In addition, we report an 8-channel wavelength-division multiplexing (WDM) transmission of 28 Gbaud QPSK ZGI CO-OFDM signals over 4160 km.

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