High Speed Pulse Generators with Electro-optic modulators based on different bit sequence for the digital fiber optic communication links
Indonesian Journal of Electrical Engineering and computer science • 2021
Publication Information
Authors
Mahmoud M. A. Eid, Ashraf S. Seliem Mohra, Ahmed N. Z. Rashed, Abd El-Naser A. Mahammed, Mohamed Yasin Ali, Shaimaa S. Abza
Keywords
Gaussian, Hyperbolic secant, Optical modulators, Pulse generator (PG), Raised cosine, Sine, Triangle
Journal
Indonesian Journal of Electrical Engineering and computer science
Publisher
Indonesian J Elec Engineering & computer sci
Volume
21
Issue
2
Pages
957-967
publication.type
Local
Paper Link
Not Available
Supplementary Materials
Not Available
Abstract
The paper outlines the simulation of various pulse generators for the enhancement of optical fiber access transmission networks within flow rate of 10 Gbps and transmission range of 100 km. The pulse generators are gaussian, hyperbolic secant, triangle, sine, raised cosine in the transmission stage. Proposed pulse generators are mixed with both electro-absorption modulator (EAM) and Mach-Zehnder modulator (MZM) for efficient transmission. We have compared the max. the quality factor with using proposed pulse generators against nonreturn to zero (NRZ) return to zero (RZ) pulse generators in the previous research works for different bit sequences. The signal power amplitude is tested for both optical fiber and PIN photodetector optical time-domain visualizer and RF spectrum analyzer by using in the optimum cases for different bit sequence. It is observed that proposed pulse generators/EAM have presented an efficient increase in Q-factor value compared with proposed pulse generators/MZM for different bit sequences.
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