Title :
In-service signaling and fault identification in a passive optical network using a reflective modulator and a broad spectrum optical source
Author :
Feldman, R.D. ; Boivin, L. ; Raybon, G. ; Walker, J.A. ; Goossen, K.W. ; Austin, R.F.
Author_Institution :
AT&T Bell Labs., Holmdel, NJ, USA
Abstract :
Coherent Rayleigh noise (CRN) causes power penalties on single fiber links having modulators on the return path. We suppress CRN by using incoherent optical sources, and demonstrate applications to nonintrusive fault monitoring and return path signaling
Keywords :
Rayleigh scattering; electro-optical modulation; monitoring; optical fibre networks; optical fibre testing; optical noise; telecommunication network reliability; telecommunication signalling; broad spectrum optical source; coherent Rayleigh noise; fault identification; in-service signaling; nonintrusive fault monitoring; optical noise suppression; passive optical networks; power penalties; reflective modulator; return path modulators; return path signaling; single fiber links; Fault diagnosis; High speed optical techniques; Intelligent networks; Light emitting diodes; Light sources; Optical modulation; Optical network units; Optical noise; Passive optical networks; Signal processing;
Conference_Titel :
Optical Communication, 1998. 24th European Conference on
Conference_Location :
Madrid
Print_ISBN :
84-89900-14-0
DOI :
10.1109/ECOC.1998.732787
