Ultrafast Refractive Index Control of Terahertz Graphene Metamaterials

被引：0
|
作者：
Lee, Seung Hoon [1 ]
Choi, Jeongmook [2 ]
Kim, Hyeon-Don [1 ]
Choi, Hyunyong [2 ]
Min, Bumki [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305751, South Korea
[2] Yonsei Univ, Sch Elect & Elect Engn, Seoul 120749, South Korea
来源：
2013 CONFERENCE ON LASERS AND ELECTRO-OPTICS PACIFIC RIM (CLEO-PR) | 2013年
关键词：
D O I：
暂无
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：
We present an ultrafast dynamics of THz graphenemetamaterial hybrid devices, where the refractive index and the conductivity are largely modulated by electrical and optical methods. Unprecedentedly large modulation of refractive index and the pump-induced effective negative conductivity are investigated by an ultrafast time-resolved optical-pump THz-probe spectroscopy with varying gate voltage.
引用
收藏
页数：2
相关论文
共 50 条
  • [41] Graphene plasmonics for tunable terahertz metamaterials
    Ju L.
    Geng B.
    Horng J.
    Girit C.
    Martin M.
    Hao Z.
    Bechtel H.A.
    Liang X.
    Zettl A.
    Shen Y.R.
    Wang F.
    Nature Nanotechnology, 2010, 6 (10) : 630 - 634
  • [42] Sign of the refractive index in lossy metamaterials
    Yannopapas, Vassilios
    OPTICS COMMUNICATIONS, 2009, 282 (20) : 4152 - 4156
  • [43] Realization of ultrahigh refractive index in terahertz region by multiple layers coupled metal ring metamaterials
    Fang, Bo
    Cai, Zhiyu
    Peng, Yandong
    Li, Chenxia
    Hong, Zhi
    Jing, Xufeng
    JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS, 2019, 33 (11) : 1375 - 1390
  • [44] An Insulating Oil Refractive Index Sensor Based on Multiband High-Q Terahertz Metamaterials
    Zhao, Ying
    Zhu, Zijian
    Zhao, Ke
    Zhao, Yue
    Zhang, Chaohai
    IEEE SENSORS JOURNAL, 2024, 24 (21) : 34337 - 34346
  • [45] Simulation of metamaterials negative refractive index
    Ghadbane, Tahar
    Guessas, Hocine
    JOURNAL OF NEW TECHNOLOGY AND MATERIALS, 2018, 8 (02) : 100 - 103
  • [46] Design of metamaterials with negative refractive index
    Smith, DR
    Vier, DC
    QUANTUM SENSING AND NANOPHOTONIC DEVICES, 2004, 5359 : 52 - 63
  • [47] Experimental determination of the refractive index of metamaterials
    Nielsen, Michael G.
    Pors, Anders
    Albrektsen, Ole
    Willatzen, Morten
    Bozhevolnyi, Sergey I.
    JOURNAL OF OPTICS, 2011, 13 (05)
  • [48] Negative Refractive Index in Chiral Metamaterials
    Zhang, Shuang
    Park, Yong-Shik
    Li, Jensen
    Lu, Xinchao
    Zhang, Weili
    Zhang, Xiang
    PHYSICAL REVIEW LETTERS, 2009, 102 (02)
  • [49] Negative refractive index in artificial metamaterials
    Grigorenko, A. N.
    OPTICS LETTERS, 2006, 31 (16) : 2483 - 2485
  • [50] Negative refractive index metamaterials in optics
    Litchinitser, Natalia M.
    Gabitov, Ildar R.
    Maimistov, Andrei I.
    Shalaev, Vladimir M.
    PROGRESS IN OPTICS, VOL 51, 2008, 51 : 1 - 67
12345