Title :
Fibre-optic spectral filters consisting of concatenated dual-core fibres
Author :
Okamoto, K. ; Noda, J.
Author_Institution :
NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan
Abstract :
Fibre-optic spectral filters using concatenated dual-core fibres are reported. Both a spectral bandpass filter with 17 nm FWHM (full width at half-maximum) and a band-elimination filter with -60.8 dB extinction ratio have been realised.
Keywords :
band-pass filters; band-stop filters; fibre optics; optical communication equipment; optical fibres; optical filters; WDM systems; band-elimination filter; band-stop filter; bandpass filter; concatenated dual-core fibres; optical communication equipment; spectral filters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860147
