Effect of Optical Filtering for Error-Free Transmission in Optical Networks

Provided by: International Journal of Computer Applications
Topic: Networking
Format: PDF
In this paper, the authors present a new approach to maximize the dispersion-limited distance of Vertical Cavity Surface Emitting Lasers (VCSELs) operating at 1550.127 nm with 10 Gb/s bit rate. Optical non return to zero (NRZ) signal is generated by using an Optical Band Pass Filter (OBPF) along with Mach-Zehnder Interferometer (MZI) at the output of VCSEL. A third order super-Gaussian and fourth order Butterworth filters are used as optical filters. The dependence of Bit Error Rate (BER), the eye opening and transmission distance on variations in the optical filter and MZI parameters is investigated.

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