Comparison of CSRZ, DRZ and MDRZ Modulation Formats for High Bit Rate WDM-PON System using AWG
نویسنده
چکیده
-In this paper, we have simulated 8 channel WDM-PON system for downstream signals using carrier suppressed return-to-zero (CSRZ), duobinary return-to-zero (DRZ) and the modified duobinary return-to-zero (MDRZ) modulation formats. WDM-PON system has been analyzed by varying input power from 0 to 20dBm for different modulation formats in order to find the optimum modulation format for a high bit rate optical transmission system. Further, the system is evaluated 2.5Gb/s & 5Gb/s bit rates upto 130km in terms of Q value and eye opening for CSRZ, DRZ and MDRZ data formats. It is found that CSRZ is superior to DRZ and MDRZ and system gives optimum performance at input power Pin=15dBm.
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تاریخ انتشار 2012