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Selective OTDR measurements at the central office of individual fiber links in a PON



IEEE Lasers and Electro-Optics Society; IEEE Communications Society; Optical Society of America -OSA-, Washington/D.C.:
Conference on Optical Fiber Communications 1997. Technical digest. Postconference edition : February 16 - 21, 1997, Dallas Convention Center, Dallas, Texas
Washington, DC: OSA, 1997 (OSA Technical digest series 1997,6)
ISBN: 1-557-52480-7
ISBN: 1-557-52481-5
ISBN: 0-7803-3860-X
ISBN: 0-7803-3861-8
ISBN: 1-557-52485-8
Conference on Optical Fiber Communication (OFC) <20, 1997, Dallas/Tex.>
Conference Paper
Fraunhofer HHI ()
diffraction gratings; optical fibre networks; optical fibre testing; optical time-domain reflectometry; optical waveguides; selective otdr measurements; central office; fiber links; arrayed waveguide grating; star coupler; passive optical network; maintenance function; optical beam splitters; optical time domain reflectometry; 1.5 mum; 1.3 mum

Our proposal adds an arrayed waveguide grating (AWG) operated at 1.5 mu m to the star coupler of a passive optical network (PON) in the remote node (RN) and separates the original PON and the overlay via 1.3/1.5 mu m splitters, which guarantees the maintenance function.