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A 80 km reach fully passive WDM-PON based on reflective ONUs
Author(s) -
M. Presi,
Roberto Proietti,
Kamau Prince,
G. Contestabile,
E. Ciaramella
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.019043
Subject(s) - wavelength division multiplexing , optical line termination , telecommunications link , passive optical network , optics , coding (social sciences) , physics , computer science , telecommunications , wavelength , mathematics , statistics
We propose a novel line coding combination (Inverse RZ coding in downlink and RZ in uplink) that extends the reach of WDM Passive Optical Networks based on Reflective SOAs with no in-line amplification. We achieved full downstream remodulation even when feeding the reflective SOA with power levels as low as -35 dBm, thus increasing the system power budget. We experimentally assessed this scheme for a fully passive, full-duplex and symmetrical 1.25 Gb/s WDM-PON over a 80 km G.652 feeder.

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