Title :
Microwave photonic filtering using Gaussian-profiled superstructured fibre Bragg grating and dispersive fibre
Author :
Gwandu, B.A.L. ; Zhang, W. ; Williams, J.A.R. ; Zhang, L. ; Bennion, I.
Author_Institution :
Photonics Res. Group, Aston Univ., Birmingham, UK
fDate :
10/24/2002 12:00:00 AM
Abstract :
Microwave photonic filtering is realised using a superstructured fibre Bragg grating. The time delay of the optical taps is precisely controlled by the grating characteristics and fibre dispersion. A bandpass response with a rejection level of >45 dB is achieved.
Keywords :
Bragg gratings; band-pass filters; microwave filters; microwave photonics; optical fibre dispersion; optical fibre filters; Gaussian profile; bandpass response; dispersive fibre; microwave photonic filtering; optical tap; rejection level; superstructured fibre Bragg grating; time delay;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020900
