Advanced Chromatic Dispersion Compensation in Optical Fiber FBMC-OQAM Systems
(2017) IEEE Photonics Journal — Vol. 9, n° 6, p. 1-10 (2017)
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- Authors
Rottenberg, François 
- Abstract
- We report on several methods for the chromatic dispersion (CD) compensation in optical fiber offset-QAM-based filterbank multicarrier (FBMC-OQAM) systems. We show that several equalization structures, initially proposed for wireless FBMC-OQAM systems, can also be applied to optical FBMC-OQAM systems to enhance the CD tolerance. The different CD compensation algorithms are numerically validated and compared to the conventional one tap equalizer in a 30 GBaud optical FBMC system, in terms of performance and complexity. Considering a 1-dB optical signal-to-noise ratio penalty at a bit-error-rate of 3.8×10(−3) and 256 subcarriers, the results show that the maximum CD tolerance of the frequency spreading method can be enhanced by a factor 10 and 30 for 4-OQAM and 16-OQAM modulations respectively compared to that of the conventional 1 tap equalizer, at the cost of higher complexity. Even though the other CD compensation methods provide a reduced CD tolerance compared to the frequency spreading method, they require less complexity and hence can be good alternatives.
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Citations
Rottenberg, F., Nguyen, T.-H., Gorza, S.-P., Horlin, F., & Louveaux, J. (2017). Advanced Chromatic Dispersion Compensation in Optical Fiber FBMC-OQAM Systems. IEEE Photonics Journal, 9(6), 1-10. https://doi.org/10.1109/jphot.2017.2773667 (Original work published 2017)