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Distributed Ultradense Optical Frequency-Division Multiplexing Using Fiber Nonlinearity

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5 Author(s)
Elschner, R. ; Fraunhofer Inst. for Telecommun., Heinrich-Hertz-Inst., Berlin, Germany ; Richter, T. ; Kato, T. ; Watanabe, S.
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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.

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Lightwave Technology, Journal of  (Volume:31 ,  Issue: 4 )