Supported by the National Natural Science Foundation of China (61701296, U1831133);the Natural Science Foundation of Shanghai (17ZR1443500);the Shanghai Aerospace Science and Engineering Fund (SAST2017-062)。
How to measure the two-dimensional attitude angle of space target and achieve stable tracking and aiming has become an important problem. The self-collimation is often measured via one-dimensional motion of the object...
supported by National Key Basic Research Special Foundation of China(Grant No.2011CB922002);National Natural Science Foundation of China;National Center for Nanoscience and Technology of China
Photonic crystal (PC) offers a powerful means to mold the flow of light and manipulate light- matter interaction at subwavelength scale. In this paper, we review some recent theoretical and experimental work in our ...
Supported in part by the Program for New Century Excellent Talents in University under Grant No NCET040615;the Natural Science Foundation of Fujian Province under Grant No 2011J01017.
We report 1×4 optical splitters(OSs)with different splitting ratios based on either rod-type or hole-type silicon photonic crystal self-collimation ring resonators(SCRRs).The four beam splitters of the OSs are formed...
Project supported by the National Natural Science Foundation of China (Grant Nos. 10904176,11004169,and 11047127);the Doctoral Foundation of Shandong Province,China (Grant No. BS2009CL028);the "985 Project",China (Grant No. 98507-012009);the "211 Project" of the Ministry of Education of China
Self-collimation characteristics of the two-dimensional square-lattice photonic crystal (PC) consisting of metal rods immersed in silicon are studied by the finite-difference time-domain method. The Drude dispersion...
Supported by the Program for New Century Excellent Talents in University under Grant No NCET040615;the Natural Science Foundation of Fujian Province under Grant No 2011J01017.
A polarization beam splitter based on a self-collimation Michelson interferometer (SMI) in a hole-type silicon photonic crystal is proposed and numerically demonstrated.Utilizing the polarization dependence of the tra...
supported by the National Natural Science Foundation of China under Grant No.60588502
A compact terahertz (THz) wave collimator is proposed, which works under the frequency from 2.4 THz to 2.7 THz with a photonic crystal (PC) slab based on the self-collimation effect. The plane wave expansion (PWE...
supported by the Pre-research Foundation under Grant No. G020104PJ09DZ0246
Photonic crystals (PCs) are increasingly attracting attention due to their ability to control light propagation.In this paper,the dispersion properties of a two-dimensional (2D) square lattice PCs with plane- wave...
Supported by the National Natural Science Foundation of China under Grant No 60721004, and the Shanghai Institute of Microsystern and Information Technology Fund for Young Scholars.
We report a self-collimating demonstration in planar photonic crystals (PhCs) fabricated in silicon-on-insulator (SOI) wafers using 0.18 μm silicon complimentary metal oxide semiconductor (CMOS) techniques. The...
Supported by the Science Foundation of China University of Mining and Technology under Grant No 2007A031.
We propose a novel ring resonator configuration in a channelless photonic crystal. The proposed ring resonator utilizes the self-collimation effect and the bending and splitting mechanisms of line defects to route the...
In a photonic crystal composed of anisotropic constituents we quantify the range of input angles and the degree of collimation of the beam inside the crystal. The optical properties of a photobleached 4- dimethylamino...