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Orthogonal wavelength-division-multiplexing technique feasibility evaluation

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5 Author(s)
Llorente, R. ; Fiber-Radio Group, Univ. Politecnica de Valencia, Spain ; Lee, J.H. ; Clavero, R. ; Ibsen, M.
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A novel high-spectral-efficiency modulation scheme using square time pulses in orthogonal wavelength-division multiplexing is proposed. Experimental results demonstrate the significant reduction of the interchannel linear crosstalk-induced penalty compared with Gaussian return-to-zero (RZ) modulation. The proposed technique allows a maximum spectral efficiency of 1 b/s/Hz. Simulation studies and experimental work confirming the expected performance are presented.

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Lightwave Technology, Journal of  (Volume:23 ,  Issue: 3 )