Tunability Analysis of a Graphene-Embedded Ring Modulator

被引：58
作者：
Du, Wei [1 ]
Li, Er-Ping [1 ]
Hao, Ran [1 ]
机构：
[1] Zhejiang Univ, Dept Informat Sci & Elect Engn, Radio Frequency & Nano Elect Res Ctr, Hangzhou 310027, Zhejiang, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2014年 / 26卷 / 20期
基金：
美国国家科学基金会;
关键词：
Bandwidth; extinction ratio; graphene embedded optical ring modulator; temperature drift; COMPACT;
D O I：
10.1109/LPT.2014.2344041
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：
This letter presents a novel graphene-embedded optical ring modulator that significantly enhances the modulation efficiency and tunability. Due to the enhanced light-matter interaction of graphene-embedded design, the shift rate of the resonance peak has been improved to 1.08 nm per applied voltage, which is two orders of the magnitude higher than previous ring modulators. The narrow bandwidth of the resonant modulator has been ameliorated to 149 GHz. In addition, our proposed modulator exhibits the advantages of high extinction ratio (22.13 dB) and smaller power consumption. Furthermore, a good tolerance of temperature drift (27 K) has been demonstrated in the proposed modulator.
引用
收藏
页码：2008 / 2011
页数：4
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