Title :
Tunable OTDR in Raman-amplified optical transmissions
Author :
De Faria, G. Vilela ; von der Weid, J.P.
Author_Institution :
Center for Telecommun. Studies, PUC-Rio, Rio de Janeiro, Brazil
Abstract :
OTDR in the S-, C- and L-bands shows that amplified Rayleigh scattering echoes are more important than double Rayleigh scattering for return losses above -60 dB in forward pumping configurations. Gain depletion can give rise to 2 dB OTDR errors at high gain.
Keywords :
Raman spectra; Rayleigh scattering; optical fibre communication; optical fibre testing; optical pumping; optical time-domain reflectometry; optical tuning; wavelength division multiplexing; 2 dB; C-bands; L-bands; Raman-amplified optical transmissions; S-bands; amplified Rayleigh scattering; forward pumping configurations; gain depletion; tunable OTDR; Fiber lasers; Laser tuning; Optical fiber testing; Optical filters; Optical reflection; Probes; Pump lasers; Rayleigh scattering; Stimulated emission; Tunable circuits and devices;
Conference_Titel :
Lasers and Electro-Optics Society, 2004. LEOS 2004. The 17th Annual Meeting of the IEEE
Print_ISBN :
0-7803-8557-8
DOI :
10.1109/LEOS.2004.1363423
