Optimum link distance determination for a constant signal to noise ratio in M-ary PSK modulated coherent optical OFDM systems
In this paper 40Gb/s and 100Gb/s Coherent optical Orthogonal Frequency Division Multiplexing (CO-OFDM) systems are studied to obtain the relation between the bit error rate (BER) and transmission link distance for a constant signal to noise ratio (SNR). Utilizing Dense Wavelength Division Multiplexing (DWDM) with 192 optical channels in C and L bands (1528.77nm1612.65nm), data rates can theoretically reach up to 19Tb/s (192?100Gb/s) using only one optical fiber core. In this research, we selected the same data rates with the IEEE standards published by IEEE Computer Society in2010 and2011. Results show the performance of the CO-OFDM system at different data rates and distances for one RF carrier and one optical carrier instead of 4optical carriers used in IEEE 802.3ba.
radio over fiber optical link design optical networks fiber optical communication ofdm modulation