Title :
LD redundancy system using polarization components for a submarine optical transmission system
Author :
Tsutsumi, Smunsuke ; Ichihashi, Yasutaka ; Sumida, Masatqyo ; Kano, Hiroyuki
Author_Institution :
NTT Public Corp., Take, Yokosuka, Japan
fDate :
12/1/1984 12:00:00 AM
Abstract :
An LD redundancy system having one cold standby laser diode is proposed to improve reliability in submarine optical transmission systems. This system makes use of the intrinsic laser polarization and consists of two LD modules and a polarization coupler connected by polarization maintaining (PANDA) fibers. The optical power insertion loss of this LD redundant system is 5.5 dB, including coupling loss between the laser diode and PANDA fiber. This LD redundant system will be applied in submarine optical repeaters.
Keywords :
Optical fiber repeaters; Redundant systems; Underwater optical fiber systems; Diode lasers; Optical coupling; Optical devices; Optical fiber couplers; Optical fiber losses; Optical fiber polarization; Optical polarization; Power system reliability; Redundancy; Underwater vehicles;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.1984.1073694
