INFLUENCE OF CHROMATIC DISPERSION, DISPERSION SLOPE, DISPERSION CURVATURE ON MICROWAVE GENERATION USING TWO CASCADE MODULATORS
Journal: ICTACT Journal on Communication Technology (IJCT) (Vol.4, No. 1)Publication Date: 2013-03-01
Authors : Mandeep Singh; S.K. Raghuwanshi;
Page : 675-684
Keywords : Dispersion Slope; Dispersion Curvature; Fiber Bragg Grating; Microwave Photonics; Mach-Zehnder Modulator;
- INFLUENCE OF CHROMATIC DISPERSION, DISPERSION SLOPE, DISPERSION CURVATURE ON MICROWAVE GENERATION USING TWO CASCADE MODULATORS
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- Investigation of dispersion penalty for optical fiber link at different values of fiber dispersion
Abstract
This work presents a theoretical study of harmonic generation of microwave signals after detection of a modulated optical carrier in cascaded two electro-optic modulators. Dispersion is one of the major limiting factors for microwave generation in microwave photonics. In this paper, we analyze influence of chromatic dispersion, dispersion slope, dispersion curvature on microwave generation using two cascaded MZMs and it has been found that output intensity of photodetector reduces when dispersion term up to fifth order are added. We have used the two cascaded Mach-Zehnder Modulators for our proposed model and tried to show the dispersion effect with the help of modulation depth factor of MZM, which have been not discussed earlier.
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Last modified: 2013-12-06 13:39:36