… This paper presents a monitoring system for tree-structured passive optical access networks.
… In this paper, a centralized and real-time monitoring and fault localization system with a low-…

… networks using a low-cost superluminescent LED [6]. It uses … a real-time monitoring system
in Ethernet passive optical … a burst-mode uniform FBG sensor unit. The system uses Fabry-…

… FBG (PS-FBG) and a uniform FBG (U-FBG) was presented in … of a superluminescent diode
(SLED) monitoring source. A … a real time and centralized monitoring technique for optical …

… of AWG in PONs is a-thermal operation to ensure real-time … spatial refractive index of
uniform amplitude and pitch on … BLSs are quite inexpensive (a super-luminescent diode would …

… an OFDR at the OLT and interferometer units (IF units) at the network terminals (ONU/ONT,
fiber distribution hub, or network access-drop terminals). Each IF unit includes a uniform fiber …

… data transmission using time-division multiple access (TDMA). We propose … monitoring
method that detects physical layer faults between optical line terminal (OLT) and optical network …

… Furthermore, new services such as high definition TV, online gaming and real-time video …
There have been reported designs of high power super luminescent diodes (SLD) for WDM-…

… fiber-fault monitoring schemes based on traditional OTDR technique have been proposed
for monitoring fiber links in passive optical networks (… Each length of the DDFs is uniformly …

… In this article, we present a fast, automatic, and precise monitoring method … passive optical
networks through the combined techniques of optical time domain reflectometry and optical …

… Monitoring of a passive optical network with inserted generic OTDR traces for individual
drop-lines and a superposed trace for the complete drop section. The $y$ axis represents the …