80-Gb/s OTDM system analysis of a vertical microcavity-based saturable absorber for the enhancement of pulse pedestal suppression

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Clarke, A.M. and Anandarajah, P.M. and Bramerie, L. and Guignard, C. and Maher, R. and Massoubre, David and Shen, A. and Oudar, J.L. and Barry, L.P. and Simon, J.-C. (2007) 80-Gb/s OTDM system analysis of a vertical microcavity-based saturable absorber for the enhancement of pulse pedestal suppression. IEEE Photonics Technology Letters, 19 (5). pp. 321-323. ISSN 1041-1135 (https://doi.org/10.1109/LPT.2007.891594)

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Abstract

In future high-speed optical time-division-multiplexed (OTDM) systems, an important factor that needs to be considered for optical pulse generation schemes is the impact of pulse pedestals on the overall system performance. The results presented in this letter are two-fold; first, the impact due to the height of pulse pedestals in an 80-Gb/s OTDM system are established. Second, a solution is provided to overcome these high pedestal levels through the use of a vertical microcavity saturable absorber, which can significantly reduce the pulse pedestal level and give enhanced system performance

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