Title :
Rapid, cost-effective measurement of chromatic dispersion of optical fibre over 1440-1625 nm using Sagnac interferometer
Author_Institution :
Ultrafast Photonic Network Group, Nat. Inst. of Inf. & Commun. Technol., Tokyo, Japan
fDate :
4/14/2005 12:00:00 AM
Abstract :
A technique for rapid, cost-effective measurement and monitoring of the chromatic dispersion of optical fibre using a Sagnac interferometer is reported. The interferometer incorporates an asymmetrically driven phase modulator and a novel optoelectronic feedback circuit. The chromatic dispersion of a 1 km-long singlemode fibre was measured over the range of 1440-1625 nm in less than 30 s.
Keywords :
Sagnac interferometers; optical fibre dispersion; optical modulation; optical variables measurement; phase modulation; 1 km; 1440 to 1625 nm; Sagnac interferometer; asymmetrically driven phase modulator; chromatic dispersion; optical fibre; optoelectronic feedback circuit; rapid cost-effective measurement; single mode fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20057365
