Title :
Tunable photonic microwave filter with Hi-Bi chirped grating free from chromatic dispersion
Author :
Ning, G. ; Aditya, S. ; Shum, P. ; Gong, Y.D. ; Ng, J.H. ; Teo, G.
Author_Institution :
Network Technol. Res. Centre, Nanyang Technol. Univ., Singapore
Abstract :
A tunable, stable, photonic microwave filter, using a linearly chirped grating in a double-pass configuration, is demonstrated to have a 45 dB notch rejection. This novel configuration overcomes chromatic dispersion and optical coherence interference.
Keywords :
band-pass filters; diffraction gratings; light coherence; light interference; microwave filters; microwave photonics; notch filters; 45 dB; Hi-Bi chirped grating; chromatic dispersion; double pass configuration; notch rejection; optical coherence interference; tunable photonic microwave filter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20045423
