Title :
Er-doped fibre ring resonator applied to optical spectrum analyser with less than 100 kHz resolution
Author :
Okamura, Hiroyuki ; Iwatsuki, Katsumi
Author_Institution :
NTT Transmission Syst. Labs., Kanagawa, Japan
fDate :
6/6/1991 12:00:00 AM
Abstract :
A fibre optic ring resonator is proposed which uses an Er-doped fibre amplifier to compensate for round-trip optical loss thereby enhancing resonator finesse. It is operated as a scanning-ring spectrum analyser and attains a resolution better than 100 kHz.
Keywords :
erbium; fibre optics; optical losses; optical resonators; spectral analysers; Er-doped fibre; fibre amplifier; fibre optic ring resonator; loss compensation; optical spectrum analyser; round-trip optical loss; scanning ring analyser;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910651
