Title :
12 nm FWHM 20 dB stop-band filter based on cascaded dual concentric core fibre filters
Author :
Février, S. ; Roy, P. ; Pagnoux, D. ; Auguste, J.-L. ; Blondy, J.-M. ; Marcou, J.
Author_Institution :
IRCOM, Limoges Univ., France
fDate :
8/30/2001 12:00:00 AM
Abstract :
A spectral stop-band filter with peak attenuation = 5 dB, full width at half-maximum (FWHM) = 31 nm based on a dual asymmetric concentric core optical fibre is investigated. An efficient 12 nm FWHM 20 dB peak attenuation is demonstrated at 1300 nm by cascading four filters
Keywords :
band-stop filters; optical fibre filters; 1300 nm; FWHM; cascaded dual concentric core fibre filters; peak attenuation; spectral stop-band filter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20010766