Electrorefractive coupled quantum well modulators: Model and experimental results

被引：9

作者：

Kunkee, Elizabeth T. ^{[1
]}

Shih, Chun-Ching ^{[1
]}

Chen, QiSheng ^{[1
]}

Wang, Chia-Jean ^{[1
]}

Lembo, Larry J. ^{[1
]}

机构：

[1] Northrop Grumman Space Technol, Manhattan Beach, CA 90278 USA

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2007年 / 43卷 / 7-8期

关键词：

electrooptic modulation; electrorefractive effect; InP; Mach-Zehnder; optical modulator; phase modulation; quantum-confined stark effect; MACH-ZEHNDER MODULATOR; VOLTAGE; ELECTROABSORPTION;

D O I：

10.1109/JQE.2007.901293

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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-Zelmder 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.

引用

页码：641 / 650

页数：10

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