Table 3: Comparison of Q-Factor at different input power for different dispersion compensation techniques.

POWER (dBm)	DCF PRE	FBG PRE	DCF POST	FBG POST	DCF SYMM	FBG SYMM
1	25.0502	109.124	45.7851	108.564	51.2178	256.11
5	24.3904	109.517	50.0041	109.315	60.2869	269.221
10	22.975	112.256	45.1231	106.551	63.6355	268.237
15	21.7493	116.196	35.9435	105.496	38.4011	252.288
20	13.7311	120.264	18.3551	122.463	10.8894	298.118