Title :
Single passband microwave photonic signal processor based on a multi-channel chirped fiber Bragg grating
Author :
Huang, Thomas X H ; Yi, Xiaoke ; Li, Liwei ; Minasian, Robert A.
Author_Institution :
Sch. of Electr. & Inf. Eng., Univ. of Sydney, Sydney, NSW, Australia
Abstract :
A new technique that can realize single passband microwave photonic filter is presented. It is based on the use of a multi-channel chirped fiber Bragg grating which sets the dispersion values on the individual spectrum slices without affecting the basic system time delay, and which controls the RF fading curve so that the notch frequencies fall on the harmonic passbands. Experimental results demonstrate a 19-tap FIR filter having a single bandpass response, and having over 30dB suppression of harmonic passbands.
Keywords :
Bragg gratings; FIR filters; band-pass filters; microwave filters; microwave photonics; optical fibre filters; FIR filter; RF fading curve; dispersion values; harmonic passbands; microwave photonic filter; microwave photonic signal processor; multichannel chirped fiber Bragg grating; single bandpass response; single passband filter; single passband signal processor; spectrum slices; time delay; Band pass filters; Bragg gratings; Finite impulse response filter; Microwave filters; Optical filters; Passband;
Conference_Titel :
Microwave Photonics, 2011 International Topical Meeting on & Microwave Photonics Conference, 2011 Asia-Pacific, MWP/APMP
Conference_Location :
Singapore
Print_ISBN :
978-1-61284-716-0
DOI :
10.1109/MWP.2011.6088753
