Title :
Remodulation based coherence-free photonic notch filter with wide passband
Author :
Chan, E.H.W. ; Minasian, R.A.
Author_Institution :
Sch. of Electr. & Inf. Eng., Univ. of Sydney, Sydney, NSW
Abstract :
A new microwave photonic notch filter structure is presented. It is based on a remodulation concept, in which the second modulation is frequency selective. Results are presented for the new structure, which show a sharp narrow notch with a notch 6 dB bandwidth of 63 kHz and a notch depth of 44 dB, a wide passband, and coherence-free operation with no phase induced intensity noise.
Keywords :
band-pass filters; microwave filters; modulation; notch filters; optical filters; bandwidth 63 kHz; coherence-free photonic notch filter; microwave photonic notch filter structure; remodulation; wide passband filter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20070143
