Frontiers of Optoelectronics, 2013, 6 (3): 282, 网络出版: 2014-03-03  

Strain effects on performance of electroabsorption optical modulators

Strain effects on performance of electroabsorption optical modulators
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作者单位
摘要
Abstract
This paper reports a detailed theoretical investigation of strain effects on the performance of electroabsorption optical modulators based on the asymmetric intra-step-barrier coupled double strained quantum wells (AICD-SQWs) active layer. For this purpose, the electroabsorption coefficient was calculated over a range of AICD-SQWs strain from compressive to tensile strain. Then, the extinction ratio (ER) and insertion loss parameters were evaluated from calculated electroabsorption coefficient for transverse electric (TE) input light polarization. The results of the simulation suggest that the tensile strain from 0.05% to 0.2% strain in the wide quantum well has a significant impact on the ER and insertion loss as compared with compressive strain, whereas the compressive strain of the narrow quantum well from - 0.5% to - 0.7% strain has a more pronounced impact on the improvement of the ER and insertion loss as compared with tensile strain.
参考文献

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N/A. Strain effects on performance of electroabsorption optical modulators[J]. Frontiers of Optoelectronics, 2013, 6(3): 282. Kambiz ABEDI. Strain effects on performance of electroabsorption optical modulators[J]. Frontiers of Optoelectronics, 2013, 6(3): 282.

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