5 January 2017 Photonic generation of high order uniform QAM signals based on IQ modulators
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Proceedings Volume 10244, International Conference on Optoelectronics and Microelectronics Technology and Application; 102441M (2017) https://doi.org/10.1117/12.2264242
Event: International Conference on Optoelectronics and Microelectronics Technology and Application, 2016, Shanghai, China
Abstract
A pre-distortion algorithm of generating driving signals was proposed for high-order QAM modulation based on IQ modulator. IQ modulator working in the nonlinear area and driving by non-uniform signals was employed. The pre-distorted driving signal requires lower signal-to-noise ratio than the common uniform driving signal in QAM modulation.
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Qiang Zhao, "Photonic generation of high order uniform QAM signals based on IQ modulators", Proc. SPIE 10244, International Conference on Optoelectronics and Microelectronics Technology and Application, 102441M (5 January 2017); doi: 10.1117/12.2264242; https://doi.org/10.1117/12.2264242
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