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Adaptive crosstalk cancellation in dense wavelength division multiplexing networks

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2 Author(s)
Minardi, M.J. ; Georgia Inst. of Technol., Atlanta, GA, USA ; Ingram, M.A.

The LMS algorithm is proposed to cancel received linear crosstalk in dense wavelength division multiplexing (WDM) networks. Analysis and simulations show that with the addition of a few photodetectors, channel spacing requirements are reduced by over 50%. Simulations using a demodulator with Gaussian bandpass characteristics show that a 2.5 dB signal-to-crosstalk ratio is increased to over 35 dB.

Published in:

Electronics Letters  (Volume:28 ,  Issue: 17 )