Optical beat interference noise reduction by using out-of-band RF clipping tone signal in remotely fed OFDMA-PON link

A novel technique for mitigating the optical beat interference (OBI) noise in an optical orthogonal frequency division multiple access passive optical network (OFDMA-PON) uplink transmission is presented. By using an out of signal band RF clipping tone to the optical seed carrier, the OBI noise has...

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Bibliographic Details
Published in:Optics express 2014-07, Vol.22 (15), p.18246-18253
Main Authors: Jung, Sang-Min, Yang, Seung-Min, Mun, Kyung-Hak, Han, Sang-Kook
Format: Article
Language:English
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Summary:A novel technique for mitigating the optical beat interference (OBI) noise in an optical orthogonal frequency division multiple access passive optical network (OFDMA-PON) uplink transmission is presented. By using an out of signal band RF clipping tone to the optical seed carrier, the OBI noise has been reduced and the resulting throughput and spectral efficiency has been improved. As an experimental verification, we demonstrate that the spectral efficiency of 23 km and 50 km have been doubled in the OFDMA-PON uplink transmission.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.22.018246