Bandgap structure of optical Fibonacci lattices after light diffraction

被引:35
作者
Kaliteevski, MA [1 ]
Nikolaev, VV
Abram, RA
Brand, S
机构
[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
[2] Univ Durham, Dept Phys, Durham DH1 3LE, England
基金
俄罗斯基础研究基金会;
关键词
D O I
10.1134/1.1388332
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The modification of the bandgap structure of optical Fibonacci lattices that arises from an increase in the system size is analyzed. It is found that there is a minimum critical size of the Fibonacci lattice necessary to form a photonic bandgap. The analysis of localized photonic modes of Fibonacci lattices shows that the removal of two layers of a lattice makes the lattice mirror-symmetric. The "method of oblique bands" is developed to analyze the bandgap structure of quasi-crystals. This method can also be applied to study two- and three-dimensional photonic and atomic quasi-crystals. (C) 2001 MAIK "Nauka/Interperiodica".
引用
收藏
页码:109 / 118
页数:10
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