Title :
Very high-rejection optical fibre filters
Author :
Farries, M.C. ; Townsend, J.E. ; Poole, S.B.
Author_Institution :
University of Southampton, Department of Electronics & Information Engineering, Southampton, UK
Abstract :
An optical filter has been developed using holmium-doped optical fibre. Transmission in the blocking band is 10-7% while transmission in the passband is 85%. The wavelength separation between maximum blocking and maximum pass is only 40 nm.
Keywords :
germanate glasses; holmium; optical communication equipment; optical fibres; optical filters; silicon compounds; 40 nm; 40 nm wavelength separation; SiO2-GeO2:Ho; high-rejection; optical communication equipment; optical fibre filters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860772
