Adaptively loaded IM/DD optical OFDM based on set-partitioned QAM formats
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AbstractWe investigate the constellation design and symbol error rate (SER) of set-partitioned analysis, we derive the adaptive bit and power loading algorithm for SP QAM based intensity-modulation direct-detection (IM/DD) orthogonal frequency division multiplexing (OFDM). We experimentally show that the proposed system significantly outperforms the
conventional adaptively-loaded IM/DD OFDM and can increase the data rate from 36 Gbit/s to 42 Gbit/s in the presence of severe dispersion-induced spectral nulls after 40-km single-mode fiber. It is also shown that the adaptive algorithm greatly enhances the tolerance to fiber nonlinearity and allows for more power budget.
All Author(s) ListJIAN ZHAO, LIAN-KUAN CHEN
Journal nameOPTICS EXPRESS
Year2017
Month4
Day17
Volume Number25
Issue Number8
PublisherOptical Society of America
Pages9368 - 9377
ISSN1094-4087
LanguagesEnglish-United States
KeywordsFiber optics communications, Modulation

Last updated on 2020-21-01 at 01:14