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Distributed ultradense optical frequency-division multiplexing using fiber nonlinearity

: Elschner, R.; Richter, T.; Kato, T.; Watanabe, S.; Schubert, C.


Journal of Lightwave Technology 31 (2013), No.4, pp.628-633
ISSN: 0733-8724
Journal Article
Fraunhofer HHI ()

We extend our investigations on a recently proposed concept for distributed coherent optical orthogonal frequency-division multiplexing (CO-OFDM) by fiber-frequency conversion for locally defined exact channel mapping based on free-running lasers. Experiments with quadrature phase-shift keying and 16-quadrature amplitude modulation subchannels show error-free performance and are compared to experiments with locally generated CO-OFDM.