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The single drive Mach-Zehnder interferometer modulator is used basically for optical intensity modulation. It is well known that its modulation characteristic exhibits a significant nonlinearity at increased drive level. However, we draw the attention to the problem that the intensity modulation is associated with a parasitic phase modulation. In this paper we investigate the source of parasitic phase...
This paper proposes an optimum hybrid radio over multi-mode fiber and free space optics (RoMMF-FSO) system to enhance the last mile bottleneck issues of wireless communication systems. Single mode fiber (SMF) and gradient index (GRIN) lenses are used as mode filtering techniques to optimize the system performance by mitigating the modal effects produced by multimode optical fiber networks. We characterize...
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