supported by the National Natural Science Foundation of China(Nos.90923036,60977041,60877021,and 61077010);the 100 Talents Program of Chinese Academy of Sciences,and the Ministry of Science and Technology of China(No.2010DFR10660)
A new plasmonic nanolens that can be tuned by varying the circular structure into an elliptical annulus and the aspect ratio from l to 0.1 and 1 to 2, respectively, is proposed. Using the rigorous finite-difference an...
Project supported by the National Natural Science Foundation of China (Grant Nos.11079014,61077010,90923036,and 60977041);the 100-Talent Program of the Chinese Academy of Sciences
Flat lenses are designed by means of graded negative refractive index-based photonic crystals (PCs) constructed using air-holes tuned with different shapes. By gradually modifying the filling factor along the transv...
supported by the National Natural Science Foundation of China (Grant Nos. 11079014 and 61077010)
In this paper, we discuss the influence of ratio of minor to major axis on the propagation property and focusing performance of a plasmonic lens with variant periodic concentric elliptical slits illuminating under a G...
supported by the National Natural Science Foundation of China (Grant Nos. 11079014 and 61077010)
Graded negative refractive index-based photonic crystal (PC) lenses are designed by gradually modifying the sizes of air holes along the transverse direction for focusing the incident plane wave. To study the tunabi...
Project supported by the National Natural Science Foundation of China (Grant Nos. 11079014 and 61077010);the Fundamental Research Funds for the Central Universities,China (Grant Nos. ZYGX2011YB020 and ZYGX2010J112)
A novel optical beam splitter constructed on the basis of photonic crystal(PC) with hybrid lattices is proposed in this paper.The band gap of square-lattice PC is so designed that the incident light is divided into ...