Title :
Long-range OTDR for single-mode optical fibre using a P2O5 highly doped fibre Raman laser
Author :
Suzuki, K. ; Noguchi, K. ; Uesugi, N.
Author_Institution :
NTT Electrical Communications Laboratories, Tokai, Japan
Abstract :
A wide-dynamic-range single-mode optical time-domain reflectometer using a P2O5 highly doped fibre Raman laser and a cooled Ge-PIN photodiode has been realised for the first time. The maximum detectable one-way loss was improved to 35dB in the 1.5 ¿m wavelength band.
Keywords :
Raman lasers; fault location; optical fibres; optical links; phosphorus compounds; solid lasers; time-domain reflectometry; 1.5 micron; 100 km; 35 dB; Ge; OTDR; P2O5 highly doped fibre Raman Laser; SiO2:P2O5; cooled Ge-PIN photodiode; long range; maximum detectable one-way loss; optical time-domain reflectometer; single-mode optical fibre; wide-dynamic-range;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860873
