Electrorefractive Coupled Quantum Well Modulators: Model and Experimental Results
Electrorefractive Coupled Quantum Well Modulators: Model and Experimental Results
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DOI：
10.1109/jqe.2007.901293
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发表时间：
2007-07
影响因子：
2.5
通讯作者：
E. Kunkee;C. Shih;Qisheng Chen;Chia-Jean Wang;L. Lembo
中科院分区：
文献类型：
--
作者：
E. Kunkee;C. Shih;Qisheng Chen;Chia-Jean Wang;L. Lembo
Theoretical modeling of InP coupled-quantum-well electroabsorptive and electrorefractive modulators is presented. Key mathematical transformations are developed that allow efficient computation of electrorefraction for a complex multiparameter coupled quantum well structure. The model is realized in the Mathematica platform and is used to simulate the impact of well and barrier composition and thickness on Mach-Zehnder modulator performance. The advantage of using coupling between quantum wells is quantified and in addition, it is shown that linewidth broadening is a key input to the model and has a critical impact on modulator performance. The model is compared to experimental data from phase modulators and Mach-Zehnder intensity modulators.
