volume | PIER Journals

2023-09-30

Performance Improvement of the Vertical Cavity Surface Emitting Laser Based on Active Hybrid Design and MIMO Configuration

Mohammed Quasim,

Dr. Mohammed Quasim

Electrical Engineering Department, College of Engineering

University of Babylon

Iraq

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Haider J. Abd

Dr. Haider J. Abd

Biomedical Engineering Department, College of Engineering and Technologies

Al-Mustaqbal University

Iraq

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Progress In Electromagnetics Research C, Vol. 138, 39-49, 2023

doi:10.2528/PIERC23080710

Abstract

The performance of the Vertical Cavity Surface Emitting Laser (VCSEL) for hybrid optical links SMF/FSO based on different data rates and MIMO configuration techniques was obtained using OptiSystem^TM which is close to the results of the experimental system. The developed system was tested with various transmission distances: 20, 30, 40, and 50 km, and in the existence of many configuration kinds and modulations. In addition to that the hybrid system was estimated with different weather cases: clear, rain, and snow. The results state that the performance of the OOK-NRZ system reveals better performance than OOK-RZ system under the same conditions. Also, the performance of the free space link is better than the fiber link formost of the link ranges considered and configurations. For OOK-NRZ of the fiber link, it was found that the MIMO 8×8 technique has better system performance than other configurations, and the Q-factor = 11.39 and BER = 5.4×10^-30 for a length of 50 Km while for the FSO link, it was found that MIMO 8×8 indicates a high performance for Q-factor = 12.7 and BER = 1.8×10^-37. The maximum FSO link distances under different weather conditions and coupling ratios were found. For BER≤10⁻⁹, in NRZ format for SMF 50 km utilizing MISO8×1 technology in clear weather for 10 Gbps, 15 Gbps, and 20 Gbps for FSO links, the maximum accessible lengths are 0.6 Km, 0.51 Km, and 0.43 Km, respectively. The process is expanded to include snow conditions for data rates of 10 Gbps, 15 Gbps, and 20 Gbps for FSO links with lengths of 0.4 Km, 0.3 Km, and 0.26 Km, respectively.

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Mohammed Quasim, and Haider J. Abd, "Performance Improvement of the Vertical Cavity Surface Emitting Laser Based on Active Hybrid Design and MIMO Configuration," Progress In Electromagnetics Research C, Vol. 138, 39-49, 2023.
doi:10.2528/PIERC23080710

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