Journal
APPLIED PHYSICS EXPRESS
Volume 10, Issue 11, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.10.112001
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Funding
- National Natural Science Foundation of China [11364044]
- National Science Foundation of China's Special Fund of Theoretical Physics [11347122]
- Education Department of Jilin Province Science and Technology Research Project [2015-09, JJKH20170455KJ]
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We propose a scheme for achieving unidirectional reflectionlessness and perfect nonreciprocal absorption at the exceptional point, based on near-field coupling in a stacked asymmetric nanostrip metamaterial structure. The result of theoretical analysis shows good agreement with a numerical simulation. Unidirectional reflectionlessness is realized well in wide ranges of the parameters s and a. The absorbance reaches similar to 1 in the +z incident direction, and the contrast ratio of the reflectance between the +z and -z incident directions is similar to 1. (c) 2017 The Japan Society of Applied Physics
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