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	Complementary chiral metasurface with strong broadband optical activity and enhanced transmission
	Jia, Yan-Peng1,2; Zhang, Yong-Liang1; Dong, Xian-Zi1; Zheng, Mei-Ling1; Li, Jing1; Liu, Jie1; Zhao, Zhen-Sheng1; Duan, Xuan-Ming1,3
	2014-01-06
摘要	We present the design and realization of ultra-thin chiral metasurfaces with giant broadband optical activity in the infrared wavelength. The chiral metasurfaces consisting of periodic hole arrays of complementary asymmetric split ring resonators are fabricated by femtosecond laser two-photon polymerization. Enhanced transmission with strong polarization conversion up to 97% is observed owing to the chiral surface plasmons resulting from mirror symmetry broken. The dependence of optical activity on the degree of structural asymmetry is investigated. This simple planar metasurface is expected to be useful for designing ultra-thin active devices and tailoring the polarization behavior of complex metallic nanostructures. (C) 2014 AIP Publishing LLC.
DOI	10.1063/1.4861422
发表期刊	APPLIED PHYSICS LETTERS
ISSN	0003-6951
卷号	104期号:1页码:5
通讯作者	Dong, XZ (reprint author), Chinese Acad Sci, Tech Inst Phys & Chem, 29 Zhongguancun East Rd, Beijing 100190, Peoples R China.
收录类别	SCI
WOS记录号	WOS:000329838800008
语种	英语