Tunable all-optical microwave notch filt
โ
Hongyan Fu; Haiyan Ou; Kun Zhu; Sailing He
๐
Article
๐
2009
๐
Elsevier Science
๐
English
โ 253 KB
A tunable all-optical microwave notch filter with a negative tap based on a semiconductor optical amplifier and a dispersive medium is demonstrated. A negative tap is realized through the cross gain modulation in the semiconductor optical amplifier. The free spectrum range of the notch filter can be