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Title: | Simulation and Performance Analysis of Duobinary 40 Gbps Optical Link |
Authors: | Chaubey, V.K. |
Keywords: | EEE DB-RZ DB-NRZ GVD BER-equivalent Q-factor OSNR |
Issue Date: | 2012 |
Publisher: | Taylor & Francis |
Abstract: | This paper presents a system model to simulate and evaluate the performance of duobinary RZ (DB-RZ) and duobinary NRZ (DB-NRZ) modulation format in a 40 Gbps optical communication link. The design has been optimized to estimate the electrical and optical filter parameters for optimum performance under dispersion and self-phase modulation induced impairments. The presented model has been operated under various OSNR conditions to investigate the limitations of GVD and SPM on the BER-equivalent Q-factor for DB-NRZ and DB-RZ encoded optical data. The analysis reports the superiority of DB-NRZ over DB-RZ at higher OSNR. However, for a typical OSNR value a crossover optical filter bandwidth has been observed beyond which DB-RZ outperforms DB-NRZ. |
URI: | https://www.tandfonline.com/doi/full/10.1080/09500340.2012.677488 http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/9042 |
Appears in Collections: | Department of Electrical and Electronics Engineering |
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