Individual Stokes-Vector-Based SOP Recovery in CO-OFDMA-PON Uplink Transmission

The state of polarization (SOP) is a critical issue faced by the single-wavelength-based orthogonal frequency division multiple-access passive optical networks, because each optical network unit uses different polarization-sensitive optical devices and paths. To compensate SOP variation, an individu...

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Bibliographic Details
Published in:IEEE photonics technology letters 2018-05, Vol.30 (9), p.829-832
Main Authors: Kang, Soo-Min, Mun, Kyoung-Hak, Park, Hyoung-Joon, Han, Sang-Kook
Format: Article
Language:English
Subjects:
Multiple access
Optical devices
Optical fibers
Optical network units
Optical polarization
passive optical network
Passive optical networks
state of polarization
Uplink
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Summary:The state of polarization (SOP) is a critical issue faced by the single-wavelength-based orthogonal frequency division multiple-access passive optical networks, because each optical network unit uses different polarization-sensitive optical devices and paths. To compensate SOP variation, an individual Stokes vector-based SOP recovery (ISVSR) technique is proposed. A single pilot-tone-based SOP compensation was individually applied and experimentally verified the effect of the ISVSR technique in the self-coherent reflective passive optical network uplink transmission. By employing individual SOP recovery, a root-mean-square compensation error and bit error rate close to zero were experimentally achieved. Consequently, the SOP variation can be quickly and accurately compensated without requiring hardware-based complex polarization control or installation of expensive devices.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2018.2818683