Dispersion induced effects of high‐order optical sidebands in the performance of millimeter‐wave fiber‐optic links

Chalmers University of Technology, Goeteborg, Västra Götaland, Sweden
Microwave and Optical Technology Letters (Impact Factor: 0.57). 07/2006; 48(7):1436 - 1441. DOI: 10.1002/mop.21634


In this paper, chirped fiber Bragg gratings (CFBGs) are proposed as signal-phase controllers for microwave-photonic wireless downstream fiber links. The effect of high-order modulation optical sidebands that disturbs the output mm-wave signal due to the chromatic dispersion induced by the gratings is studied theoretically and experimentally. The 1st and 2nd mm-wave harmonics of the output signal have been measured for conventional intensity modulation and for intensity modulation with optical carrier suppression. In the last case, data transmission at 2.5 Gb/s is demonstrated through a chirped grating of 280 ps/nm dispersion in a 40-GHz modulated link. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 1436–1441, 2006; Published online in Wiley InterScience ( DOI 10.1002/mop.21634

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