Journal
OPTICS LETTERS
Volume 36, Issue 10, Pages 1905-1907Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.36.001905
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Funding
- National Natural Science Foundation of China (NFSC) [10934003, 10974102]
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We predict the unidirectional optical transmission in dual-metal grating structures composed of two gratings with different structures in the absence of anisotropy and nonlinearity. The zero-order unidirectional transmission is achieved. Based on the unique property and by modulating the structural parameters, the transmittance approaches to 0% and 60% in the two opposite directions, respectively. (C) 2011 Optical Society of America
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