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Wavelength filter detuning for improved carrier reuse in loop-back WDM-PON

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7 Author(s)
W. Lee ; WDM-PON Technol. Team, Electron. & Telecommun. Res. Inst., Daejeon, South Korea ; S. H. Cho ; M. Y. Park ; J. H. Lee
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Negative detuning of the passband frequency of the wavelength filter, particularly used as a wavelength demultiplexer at the central office in the loop-back WDM-PON, is demonstrated. This method is experimentally proved to suppress further the residual downstream component included in the optical upstream data in the remodulation scheme, resulting in improvement of the upstream performance.

Published in:

Electronics Letters  (Volume:42 ,  Issue: 10 )