Title :
In-service OTDR supervisory DWDM system directly through Mach-Zehnder fiber-grating optical add-drop multiplexers
Author :
Kuo, I.-Y. ; Chia-Hsiung Chang ; Yung-Kuang Chen
Author_Institution :
Inst. of Electroopt. Eng., Nat. Sun Yat-Sen Univ., Kaohsiung, Taiwan
Abstract :
An inservice supervisory 10-Gb/s dense wavelength-division-multiplexing (DWDM) system containing Mach-Zehnder fiber Bragg grating (MZ-FBG) optical add-drop multiplexers (OADMs) is demonstrated. The link fault location is realized simply by using a conventional optical time-domain reflectometry (OTDR) directly through the used MZ-FBG OADM without needs of restructuring OADM configuration and extra optical components in the OADM node. The 1.65-μm OTDR supervision on such 10-Gb/s 80-km system link is achieved without degrading the system performance.
Keywords :
Bragg gratings; fault location; monitoring; optical fibre testing; optical time-domain reflectometry; telecommunication network management; wavelength division multiplexing; 1.65 mum; 10 Gbit/s; 80 km; Gb/s dense wavelength-division-multiplexing; Mach-Zehnder fiber Bragg grating optical add-drop multiplexers; Mach-Zehnder fiber-grating optical add-drop multiplexers; OADM node; OTDR; OTDR supervision; in-service OTDR supervisory DWDM system; link fault location; optical time-domain reflectometry; system performance; Fault location; Monitoring; Optical add-drop multiplexers; Optical devices; Optical fibers; Optical transmitters; Power generation; Reflectometry; Time domain analysis; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE
