Performance Investigation of 40 GB/s DWDM over Free Space Optical Communication System Using RZ Modulation Format
Abstract—We successfully demonstrate 40 GB/s 8 channels’ Dense Wavelength Division Multiplexing (DWDM) over free space optical (FSO) communication system. Each channel is transmitting 5 GB/s data rate in downstream separated by 0.8nm (100GHz) channel spacing with 1.8GHz filter bandwidth. DWDM over FSO communication system is very effective in providing high data rate transmission with very low bit error rate (BER). The maximum reach of designed system is 4000m without any compensation scheme. The simulation work reports minimum BER for Return-to-Zero (RZ) modulation format at different channels 1, 4, and 8 are found to be 2.32.
Thanks to Sushank Chaudhary of InterNetworks Research Lab for submitting this application note on FSO Communications using OptiSystem.
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