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Simulation and comprehensive assessment of single channel RZ-DPSK optical link by dispersion management with channel bit rate beyond 40 Gbits/s 被引量:1
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作者 Hamidine MAHAMADOU Xiuhua YUAN +1 位作者 Eljack M. SARAH weizheng zou 《Frontiers of Optoelectronics》 2012年第3期322-329,共8页
This paper studied the influence of return to zero-differential phase-shift-keying (RZ-DPSK) data format on techniques of pre-, post- and pre/post combination dispersion compensation for faithful transmission of opt... This paper studied the influence of return to zero-differential phase-shift-keying (RZ-DPSK) data format on techniques of pre-, post- and pre/post combination dispersion compensation for faithful transmission of optical signal at 80 and 100 Gbits/s channel bit rate via simulation. The purpose of this study was to find out the dispersion compensation techniques for optimal transmis- sion with the interaction effects of self-phase modulation (SPM) and amplifier spontaneous emission (ASE) for RZ- DPSK encoded optical data. By the simulation method, it was found out that the RZ-DPSK data format can be allowed with a transmission distance of about 700 km of standard single mode fiber (SMF) at 100 Gbits/s, and it can be provided with farther transmission distance of more than 1000 km at 80 Gbits/s with the combination of the pre- and post-compensation technique. To efficiently suppress the effect of ASE and improve optical signal-to- noise ratio (OSNR), the bandwidth frequency of optical receiver filter was found to be at least equal to bit rate. 展开更多
关键词 return to zero-differential phase-shift-keying(RZ-DPSK) dispersion compensation self-phase modula-tion (SPM) amplifier spontaneous emission (ASE) bit rate optical filter bandwidth
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