Xiaoqiang Su
Key Lab. of Optoelectron. Inf. & Technol., Tianjin Univ., Tianjin, China
Chunmei Ouyang ; Ningning Xu ; Siyu Tan ; Jianqiang Gu ; Zhen Tian ; Jiaguang Han ; Fengping Yan ; Weili Zhang
http://ieeexplore.ieee.org/xpl/abstractAuthors.jsp?reload=true&arnumber=7008493&punumber%3D4563994
Plasmon-induced transparency in terahertz metamaterials markedly modifies the dispersive properties of an otherwise opaque medium and reveals unprecedented prospects on novel functional components. However, plasmon-induced transparency in metamaterials so far exists in a narrow frequency band or without actively tunable abilities. Here, we demonstrate optical control of a broadband plasmon-induced transparency in a hybrid metamaterial made from integrated silicon-metal unit cells. Attributed to the modification in damping rate of the dark mode resonators under optical excitation, a giant dynamic amplitude modulation of the broadband transparency window is observed. The scheme suggested here is promising in developing broadband active slow-light devices and realizing on-to-off switching responses of the terahertz radiation at room temperature.
Published in:
Photonics Journal, IEEE (Volume:7 , Issue: 1 )- Article#:
- 5900108
- ISSN :
- 1943-0655
- INSPEC Accession Number:
- 14880065
- DOI:
- 10.1109/JPHOT.2015.2390146
- Date of Publication :
- 13 January 2015
- Date of Current Version :
- 30 January 2015
- Issue Date :
- Feb. 2015
- Sponsored by :
- IEEE Photonics Society
- Publisher:
- IEEE
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