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Field demonstration of endless polarization control in 195-km installed optical fiber submarine cable at a sea depth of 2900 m

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3 Author(s)
Y. Namihira ; KDD R&D Lab., Saitama, Japan ; T. Kawazawa ; H. Wakabayashi

A low-insertion loss module with rotatable fractional wave plates was used to achieve endless polarization control at the output of a 195-km-long 2900-m deep-sea optical fiber submarine cable. The module could be compensated for state of polarization (SOP) fluctuations for frequencies up to 3 Hz. It was confirmed that a module with mechanical rotatable fractional wave plates could be used to control the real polarization variations that occur in installed optical submarine cables.<>

Published in:

IEEE Photonics Technology Letters  (Volume:3 ,  Issue: 4 )