DWDM-PON at 25 GHz channel spacing based on ASE injection seeding

We demonstrate a 25 GHz-channel-spaced DWDM-PON based on ASE injection seeding. A 60 km transmission at 1.25 Gb/s per channel is available with a 2nd generation FEC. The major limiting factor is the optical back reflection induced penalty. Thus a high gain reflective modulator and/or relocation of t...

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Bibliographic Details
Published in:Optics express 2012-12, Vol.20 (26), p.B45-B51
Main Authors: Kim, Joon-Young, Moon, Sang-Rok, Yoo, Sang-Hwa, Lee, Chang-Hee
Format: Article
Language:English
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Summary:We demonstrate a 25 GHz-channel-spaced DWDM-PON based on ASE injection seeding. A 60 km transmission at 1.25 Gb/s per channel is available with a 2nd generation FEC. The major limiting factor is the optical back reflection induced penalty. Thus a high gain reflective modulator and/or relocation of the seed light increase the transmission length. We demonstrated 90 km transmission with relocated seed light to remote node.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.20.000B45