Absolute band gaps of a two-dimensional triangular-lattice photonic crystal are calculated with the finite-difference time-domain method in this paper.Through calculating the photonic band structures of the triangular...Absolute band gaps of a two-dimensional triangular-lattice photonic crystal are calculated with the finite-difference time-domain method in this paper.Through calculating the photonic band structures of the triangular-lattice photonic crystal consisting of Ge rods immersed in air with different shapes,it is found that a large absolute band gap of 0.098 (2c/a) can be obtained for the structures with hollow triangular Ge rods immersed in air,corresponding to 19.8% of the middle frequency.The influence of the different factors on the width of the absolute band gaps is also discussed.展开更多
Through years of unremitting efforts,Huang Zhen,a native of Fuqing,a city in Southwest China's Fujian Province,has achieved success in her career in Auckland,New Zealand.As secretarygeneral of both the Fuqing Over...Through years of unremitting efforts,Huang Zhen,a native of Fuqing,a city in Southwest China's Fujian Province,has achieved success in her career in Auckland,New Zealand.As secretarygeneral of both the Fuqing Overseas Chinese Association of New Zealand and the Chinese Women Association of New Zealand,Huang has helped promote exchanges between the two countries.展开更多
基金supported by the National Natural Science Foundation of China (Grant No. 10904176)the National Key Basic Research Special Foundation of China (Grant No. 2006CB921702)+1 种基金the Research Foundation of the State Ethnic Affairs Commission of China (Grant No. 09ZY012)the NMOE Project of China (Grant No. 200911002)
文摘Absolute band gaps of a two-dimensional triangular-lattice photonic crystal are calculated with the finite-difference time-domain method in this paper.Through calculating the photonic band structures of the triangular-lattice photonic crystal consisting of Ge rods immersed in air with different shapes,it is found that a large absolute band gap of 0.098 (2c/a) can be obtained for the structures with hollow triangular Ge rods immersed in air,corresponding to 19.8% of the middle frequency.The influence of the different factors on the width of the absolute band gaps is also discussed.
文摘Through years of unremitting efforts,Huang Zhen,a native of Fuqing,a city in Southwest China's Fujian Province,has achieved success in her career in Auckland,New Zealand.As secretarygeneral of both the Fuqing Overseas Chinese Association of New Zealand and the Chinese Women Association of New Zealand,Huang has helped promote exchanges between the two countries.
