Highly Efficient and Accurate Calculation of Local Density of States in Two-Dimensional Photonic Crystals

被引：0
|
作者：
Liu, Jing-Feng [1 ]
Li, Ling-Yan [1 ]
Li, Yong-Yao [1 ]
Jiang, Hao-Xiang [2 ]
机构：
[1] South China Agr Univ, Coll Sci, Guangzhou 510642, Guangdong, Peoples R China
[2] S China Normal Univ, Sch Phys & Telecommun Engn, Guangzhou 510006, Guangdong, Peoples R China
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2013年 / 82卷 / 04期
基金：
中国国家自然科学基金;
关键词：
spontaneous emission; photonic crystals; orientation-dependent local density of states; local density of states; SPONTANEOUS-EMISSION; SPECIAL POINTS; QUANTUM-DOT; LASER;
D O I：
10.7566/JPSJ.82.044402
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present an efficient method for calculating the orientation-dependent local density of states (ODLDOS) or local density of states (LDOS) in two-dimensional photonic crystals by combining the lattice point group transformation of the vector field and the special point integral with an interpolation method. This method can swiftly compute LDOS or ODLDOS and acquire the same results as those computed based on a larger number of k points in the first Brillouin zone. Our method improves the calculation speed by about 1000 times.
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页数：3
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