Four-Wave Mixing Crosstalk Suppression Based on the Pairing Combinations of Differently Linear-Polarized Optical Signals

Table 1

System simulation parameters.

Parameter	Unit	Values
Fiber length, 𝐿	km	70 for SMF
Input power, 𝑃𝑖	dBm	Varied from 2 to; 14 dBm with step 2 dBm
Input frequencies, 𝑓𝑖, 𝑓𝑗 and 𝑓𝑘	THz	193 to 193.3
Channel spacing, Δ𝑓	GHz	100
Standard SMF G.652
Dispersion, 𝐷𝑐	ps/nm·km	17
Cross effective area, 𝐴eff	𝜇m^2	80
Dispersion slope	ps/nm^2·km	0.07
Standard DSF G.653
Dispersion, 𝐷𝑐	ps/nm·km	0.3
Cross effective area, 𝐴eff	𝜇m^2	50
Dispersion slope	ps/nm^2·km	0.075
Degeneracy factor, 𝐷𝑔	—	6
Third order susceptibility, 𝑋111	m^3/w·s	6×10^−15
Refractive index, 𝑛	—	1.48
Speed of light, 𝑐	(m/s)	3×10^8
Attenuation factor	(dB/km)	0.2
Number of channel	—	4
𝐾, detector responsively	A∖W	0.8
Total data rate	Gb/s	40
Optical bandwidth, 𝐵	MHz	622