Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 22, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4833757
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Funding
- National Basic Research Program (973 Program) of China [2012CB921900]
- Chinese National Key Basic Research Special Fund [2011CB922003]
- Natural Science Foundation of China [11304163, 61378006, 61008002]
- Program for New Century Excellent Talents in University [NCET-13-0294]
- Natural Science Foundation of Tianjin [13JCQNJC01900]
- Specialized Research Fund for the Doctoral Program of Higher Education [20120031120032, 20100031120005]
- 111 project [B07013]
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We present a mid-IR highly wavelength-tunable broadband cross polarization conversion composed of a single patterned top layer with L-shaped graphene nanostructures, a dielectric spacer, and a gold plane layer. It can convert linearly polarized light to its cross polarization in the reflection mode. The polarization conversion can be dynamically tuned and realize a broadband effect by varying the Fermi energy without reoptimizing and refabricating the nanostructures. This offers a further step in developing the tunable polarizers and the polarization switchers. (C) 2013 AIP Publishing LLC.
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