Genetic optimization of two-dimensional photonic crystals for large absolute band gaps under light line

被引：3

作者：

Jiang, L. Y. ^{[1
]}

Li, H. P. ^{[1
]}

Zheng, G. G. ^{[1
]}

Li, X. Y. ^{[1
]}

Zhu, R. H. ^{[2
]}

机构：

[1] Nanjing Univ Sci & Technol, Dept Phys, Nanjing 210094, Peoples R China

[2] Nanjing Univ Sci & Technol, Inst Elect Engn & Photoelect Technol, Nanjing 210094, Peoples R China

来源：

JOURNAL OF MODERN OPTICS | 2009年 / 56卷 / 10期

关键词：

photonic crystal; band gap; light line; genetic algorithm;

D O I：

10.1080/09500340903003313

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A binary genetic algorithm with floating crossover and mutation probabilities is used to design two-dimensional photonic crystals for large absolute band gaps under a light line. The unit cell is composed of a small number of round rods and is arranged in a square lattice. The photonic band structure of each chromosome is calculated by the plane-wave expansion method. Starting from randomly generated photonic crystals, the genetic algorithm finally yielded a photonic crystal with an absolute common band gap of 0.0618(2c/a) at the mid-frequency of 0.4084(2c/a).

引用

页码：1220 / 1226

页数：7

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