期刊
ACS NANO
卷 8, 期 3, 页码 2548-2554出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn406136c
关键词
terahertz; graphene; metamaterial; optical modulator; time-domain spectroscopy; optoelectronics
类别
资金
- EPSRC [EP/K016636/1]
- EPSRC [EP/K016636/1, EP/J017671/1, EP/J007803/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K016636/1, EP/J007803/1, 1208829, EP/J017671/1] Funding Source: researchfish
Split-ring resonators represent the ideal route to achieve optical control of the incident light at THz frequencies. These subwavelength metamaterial elements exhibit broad resonances that can be easily tuned lithographically. We have realized a design based on the interplay between the resonances of metallic split rings and the electronic properties of monolayer graphene integrated in a single device. By varying the major carrier concentration of graphene, an active modulation of the optical intensity was achieved in the frequency range between 2.2 and 3.1 THz, achieving a maximum modulation depth of 18%, with a bias as low as 0.5 V.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据