Design of tunable surface mode waveguide based on photonic crystal composite structure using organic liquid Project supported by the National Natural Science Foundation of China (Grant No. 31401136) and the School Youth Fund of Henan University of Science and Technology, China (Grant No. 2014QN045). |
(color online) Schematic diagram of the filled photonic crystal composite structure. All the surface tubes are filled with dichloroacetic acid (ε = 7.8). |