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Optically generated electrical-modulation formats in digital-microwave link applications

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4 Author(s)
Candelas, P. ; Univ. Politecnica de Valencia, Spain ; Fuster, J.M. ; Marti, J. ; Roig, J.C.

We investigate a novel technique to generate the transmission signal in digital-microwave link applications. This technique is based on a photonic device that achieves both electrical modulation (QAM, PSK, ASK) and harmonic upconversion of the microwave carrier. Simulation results are provided for a seventh-harmonic 38.5-GHz transmission of a 2.5-Gbps signal through a 1-km fiber span. The impact of fiber chromatic-dispersion on the link bandwidth is also analyzed.

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Lightwave Technology, Journal of  (Volume:21 ,  Issue: 2 )