Journal
OPTICS LETTERS
Volume 40, Issue 13, Pages 3185-3188Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.40.003185
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Funding
- Chinese National Key Basic Research Special Fund [2011CB922003]
- International Science & Technology Cooperation Program of China [2013DFA51430]
- National Basic Research Program (973 Program) of China [2012CB921900]
- Natural Science Foundation of China (NSFC) [11304163, 61378006]
- Natural Science Foundation of Tianjin [13JCQNJC01900]
- Program for New Century Excellent Talents in University [NCET-13-0294]
- 111 project [B07013]
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We present the design specifications and in-depth analysis of a terahertz (THz) broadband cross-polarization converter composed of a single-layer metasurface. This device can convert linearly polarized light into its cross-polarization in transmission mode. Different from other polarization conversion devices, this effect results from the suppression and enhancement for different electric components. The broadband characteristic is also achieved by specific partial symmetries designed in the structure. The proposed polarization converter can aid in the development of novel plasmonic polarization devices, and can help to overcome certain limitations of the customary designs that have been proposed thus far. (C) 2015 Optical Society of America
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