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KARAMJEET SINGH1, MEHTAB SINGH2, AMIT GROVER1,*
This research work reports the modeling of an integrated mode-division-multiplexing (MDM) dense-wavelength-divisionmultiplexing (DWDM)-based terrestrial free-space-optics (FSO) transmission system. 16 independent laser channels ranging from 193.1 THz – 194.6 THz with a channel spacing of 100 GHz, with each wavelength channel utilizing two spatial Laguerre-Gaussian (LG) modes (LG0,0 and LG0,20), each transporting 10-Gbps of non-return-to-zero data are multiplexed and transmitted over free-space channel under complex weather conditions. The net transmission speed of the system is 320-Gbps. Using simulative analysis, the reported FSO link is evaluated for clear, rain, haze, and fog weather conditions using signal-to-noise-ratio and eye diagrams as the metrics for performance evaluation. The reported results demonstrate reliable 320-Gbps transmission along FSO range of 780 m – 6 km with reliable performance metrics.
Dense-wavelength-division-multiplexing (DWDM), Free-space-optics (FSO), Weather attenuation, Signal-to-noise-ratio (SNR), Eye diagrams.
KARAMJEET SINGH, MEHTAB SINGH, AMIT GROVER, Performance analysis of a 320-Gbps integrated MDM-DWDM-FSO transmission link under adverse weather conditions, Optoelectronics and Advanced Materials - Rapid Communications, 18, 3-4, March-April 2024, pp.134-143 (2024).
Submitted at: Jan. 7, 2024
Accepted at: April 8, 2024
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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