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Experimental Compensation for FWM Induced Crosstalk with Digital Coherent Detection
Jing LIANG Katsushi IWASHITA
Publication
IEICE TRANSACTIONS on Communications
Vol.E94-B
No.2
pp.558-561 Publication Date: 2011/02/01 Online ISSN: 1745-1345
DOI: 10.1587/transcom.E94.B.558 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Fiber-Optic Transmission for Communications Keyword: digital coherent detection, FWM, fiber nonlinearity, backward propagation, compensation,
Full Text: PDF>>
Summary:
Four-wave mixing (FWM) compensation using digital coherent detection is experimentally demonstrated. Two lights and the induced FWM components are combined with phase-locked local oscillator lights and received individually. The received signals are combined electrically and the signal-to-FWM crosstalk ratio is improved to more than 30 dB by backward propagation.
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