Some Key Issues on the Optimization of Multiple Quantum Well Structures for Amplitude Modulation
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| Format: | Artículo científico |
| Language: | en |
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Sociedade Brasileira de Física
2004
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| _version_ | 1876476688793075712 |
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| author | C.V-B. Tribuzy |
| author_facet | C.V-B. Tribuzy |
| contents | Some Key Issues on the Optimization of Multiple Quantum Well Structures for Amplitude Modulation C.V-B. Tribuzy P.L. Souza M.P. Pires B. Yavich Física, Astronomía y Matemáticas Main parameters of InGaAs/InAlAs multiple quantum well amplitude modulators, such as contrast ratio, insertionloss and chirp parameter, were calculated in order to find a quantum well structure which optimizes them.The parameters were estimated from the theoretical absorption curves, which were calculated for different valuesof applied reverse bias and were compared with experimental data. A study of the device parameters as afunction of the Ga content and operation voltage was performed. The study showed that optimum values forthe modulator parameters cannot be obtained simultaneously. The influence of the residual doping level and theapplied pre-bias are emphasized. 2004 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46434445 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.2B Vol.34 |
| format | Artículo científico |
| id | redalyc_46434445 |
| institution | Redalyc |
| language | en |
| publishDate | 2004 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Some Key Issues on the Optimization of Multiple Quantum Well Structures for Amplitude Modulation C.V-B. Tribuzy Física, Astronomía y Matemáticas Some Key Issues on the Optimization of Multiple Quantum Well Structures for Amplitude Modulation C.V-B. Tribuzy P.L. Souza M.P. Pires B. Yavich Física, Astronomía y Matemáticas Main parameters of InGaAs/InAlAs multiple quantum well amplitude modulators, such as contrast ratio, insertionloss and chirp parameter, were calculated in order to find a quantum well structure which optimizes them.The parameters were estimated from the theoretical absorption curves, which were calculated for different valuesof applied reverse bias and were compared with experimental data. A study of the device parameters as afunction of the Ga content and operation voltage was performed. The study showed that optimum values forthe modulator parameters cannot be obtained simultaneously. The influence of the residual doping level and theapplied pre-bias are emphasized. 2004 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46434445 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.2B Vol.34 |
| title | Some Key Issues on the Optimization of Multiple Quantum Well Structures for Amplitude Modulation |
| topic | Física, Astronomía y Matemáticas |
| url | https://www.redalyc.org/articulo.oa?id=46434445 |