Creation of partial band gaps in anisotropic photonic-band-gap structures
文献类型:期刊论文
作者 | Li, ZY ; Wang, J ; Gu, BY |
刊名 | PHYSICAL REVIEW B
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出版日期 | 1998 |
卷号 | 58期号:7页码:3721 |
关键词 | SPONTANEOUS EMISSION COLLOIDAL CRYSTALS PERIODIC STRUCTURES PROPAGATION EXISTENCE LATTICES SILICON LIGHT ATOMS |
ISSN号 | 0163-1829 |
通讯作者 | Li, ZY: Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Peoples R China. |
中文摘要 | The photonic-band-gap (PBG) structure composed of an anisotropic-dielectric sphere in uniform dielectric medium is studied by solving Maxwell's equations using the plane-wave expansion method. In particular, for a uniaxial material with large principal refractive indices and sufficient anisotropy between them, the photonic band structures possess a full band gap in the whole Brillouin zone for a diamond lattice. Furthermore, in the 1/3 partial Brillouin zone where the Bloch wave vector has a dominant component along the extraordinary axis of uniaxial sphere, the photonic band structures are found to exhibit full band gaps for all the other lattices such as face-centered-cubic, body-centered-cubic, and simple-cubic lattices, although a complete band gap does not open in the whole Brillouin zone. The partial band gaps persist at a very low filling fraction of uniaxial sphere. This phenomenon is attributed to the breakdown of the photonic band degeneracy at high-symmetry points of the Brillouin zone by the anisotropy of material dielectricity. The combination of such an anisotropic PEG structure with the self-arrangement technique of colloidal crystal may provide a possible way to fabricate the three-dimensional photonic crystal in visible and infrared regimes. The application of a strong electric field may bring into alignment the extraordinary axis of uniaxial sphere as this configuration of spheres is most favorable thermodynamically. |
收录类别 | SCI |
语种 | 英语 |
公开日期 | 2013-09-17 |
源URL | [http://ir.iphy.ac.cn/handle/311004/35284] ![]() |
专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
推荐引用方式 GB/T 7714 | Li, ZY,Wang, J,Gu, BY. Creation of partial band gaps in anisotropic photonic-band-gap structures[J]. PHYSICAL REVIEW B,1998,58(7):3721. |
APA | Li, ZY,Wang, J,&Gu, BY.(1998).Creation of partial band gaps in anisotropic photonic-band-gap structures.PHYSICAL REVIEW B,58(7),3721. |
MLA | Li, ZY,et al."Creation of partial band gaps in anisotropic photonic-band-gap structures".PHYSICAL REVIEW B 58.7(1998):3721. |
入库方式: OAI收割
来源:物理研究所
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