Silicon-Based Graphene Electro-Optical Modulators

被引:16
|
作者
Jin, Ming [1 ]
Wei, Ziyi [1 ]
Meng, Yanfang [1 ]
Shu, Haowen [1 ]
Tao, Yuansheng [1 ]
Bai, Bowen [1 ]
Wang, Xingjun [1 ,2 ,3 ,4 ]
机构
[1] Peking Univ, Sch Elect, State Key Lab Adv Opt Commun Syst & Networks, Beijing 100871, Peoples R China
[2] Peking Univ, Frontiers Sci Ctr Nanooptoelect, Beijing 100871, Peoples R China
[3] Peng Cheng Lab, Shenzhen 518055, Peoples R China
[4] Peking Univ, Yangtze Delta Inst Optoelect, Nantong 226010, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
silicon photonics; graphene; electro-optical modulator; ELECTROABSORPTION MODULATOR; 2-DIMENSIONAL MATERIALS; OPTICAL MODULATOR; PHASE MODULATORS; BAND; OPERATION;
D O I
10.3390/photonics9020082
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
With the increasing demand for capacity in communications networks, the use of integrated photonics to transmit, process and manipulate digital and analog signals has been extensively explored. Silicon photonics, exploiting the complementary-metal-oxide-semiconductor (CMOS)-compatible fabrication technology to realize low-cost, robust, compact, and power-efficient integrated photonic circuits, is regarded as one of the most promising candidates for next-generation chip-scale information and communication technology (ICT). However, the electro-optic modulators, a key component of Silicon photonics, face challenges in addressing the complex requirements and limitations of various applications under state-of-the-art technologies. In recent years, the graphene EO modulators, promising small footprints, high temperature stability, cost-effective, scalable integration and a high speed, have attracted enormous interest regarding their hybrid integration with SiPh on silicon-on-insulator (SOI) chips. In this paper, we summarize the developments in the study of silicon-based graphene EO modulators, which covers the basic principle of a graphene EO modulator, the performance of graphene electro-absorption (EA) and electro-refractive (ER) modulators, as well as the recent advances in optical communications and microwave photonics (MWP). Finally, we discuss the emerging challenges and potential applications for the future practical use of silicon-based graphene EO modulators.
引用
收藏
页数:19
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