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2 December 2009 Effect of Mach-Zehnder modulator DC extinction ratio on single sideband modulation radio over fiber link
Xiaogang Chen, Dexiu Huang
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Proceedings Volume 7632, Optical Transmission Systems, Switching, and Subsystems VII; 76322Z (2009) https://doi.org/10.1117/12.850744
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China
Abstract
The effect of Mach-Zehnder modulator (MZM) direct current (DC) extinction ratio on single sideband (SSB) radio over fiber (RoF) link is analyzed and simulated, finite extinction ratio and drive signal unbalanced ratio of dual-drive MZM (DD-MZM) are considered. Our results show that power variation of target signal increase and harmonic suppression ratio decrease with the decline of extinction ratio. However, for a nonideal modulator with low extinction ratio, optimum drive signal unbalanced ratio could be applied to obtain a high quality microwave signal.
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Xiaogang Chen and Dexiu Huang "Effect of Mach-Zehnder modulator DC extinction ratio on single sideband modulation radio over fiber link", Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 76322Z (2 December 2009); https://doi.org/10.1117/12.850744
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KEYWORDS
Signal attenuation
Modulators
Modulation
Single sideband modulation
Radio over Fiber
Microwave radiation
Hybrid fiber radio
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