Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 26, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4858255
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Funding
- National Natural Science Foundation of China [61275030, 61205030, 61235007]
- Qianjiang River Fellow Fund of Zhejiang Province
- Scientific Research Foundation for the Returned Overseas Chinese Scholars from the State Education Ministry
- Opened Fund of State Key Laboratory of Advanced Optical Communication Systems and Networks, Doctoral Fund of Ministry of Education of China [20120101120128]
- Swedish Foundation for Strategic Research (SSF)
- Swedish Research Council (VR)
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A quarter-wave plate using plasmonic patch antennas has been investigated. The nanostructures can convert linear polarized light into circular polarized light in the visible range (633 nm). By further exploiting the dimer patch antenna structure composed of different metals, directional emission (with a directivity of 4.8) of circular polarized light (with a conversion efficiency of 27.8%) in an oblique direction with respect to the incident light is enabled. Compared with previous designs, the proposed structures are ultra-thin, and are more suitable for integration applications. (C) 2013 AIP Publishing LLC.
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