24 January 2011 Potential of OFDM for next generation optical access
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This paper shows the requirements for next generation optical access (NGOA) networks and analyzes the potential of OFDM (orthogonal frequency division multiplexing) for the use in such network scenarios. First, we show the motivation for NGOA systems based on the future requirements on FTTH access systems and list the advantages of OFDM in such scenarios. In the next part, the basics of OFDM and different methods to generate and detect optical OFDM signals are explained and analyzed. At the transmitter side the options include intensity modulation and the more advanced field modulation of the optical OFDM signal. At the receiver there is the choice between direct detection and coherent detection. As the result of this discussion we show our vision of the future use of OFDM in optical access networks.
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Daniel Fritzsche, Daniel Fritzsche, Erik Weis, Erik Weis, Dirk Breuer, Dirk Breuer, } "Potential of OFDM for next generation optical access", Proc. SPIE 7959, Optical Metro Networks and Short-Haul Systems III, 795905 (24 January 2011); doi: 10.1117/12.881245; https://doi.org/10.1117/12.881245

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