期刊
PHYSICAL REVIEW B
卷 86, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.86.035448
关键词
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资金
- Los Alamos National Laboratory LDRD
- US Department of Energy [DE-AC52-6NA25396, DE-AC02-07CH11358]
- US Office of Naval Research [N000141010925]
- Center for Integrated Nanotechnologies
- Office of Basic Energy Sciences Nanoscale Science Research Center
We demonstrated giant optical activity using a chiral metamaterial composed of an array of conjugated bilayer metal structures. The chiral metamaterials were further integrated with photoactive inclusions to accomplish a wide tuning range of the optical activity through illumination with near-infrared light. The strong chirality observed in our metamaterials results in a negative refractive index, which can also be well controlled by the near-infrared optical excitation.
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