Approximate Analysis of Nonlinear Operation of Triangular Lattice Photonic Crystal Laser

被引:0
|
作者
Koba, Marcin [1 ]
Szczepanski, Pawel [1 ]
机构
[1] Warsaw Univ Technol, Inst Microelect & Optoelect, 75th Koszykowa St, PL-00662 Warsaw, Poland
来源
OPTICAL MODELLING AND DESIGN | 2010年 / 7717卷
关键词
Laser theory; photonic crystals; coupled mode theory; energy theorem; SURFACE-EMITTING LASER; DISTRIBUTED-FEEDBACK; SINGLE-MODE;
D O I
10.1117/12.853818
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents an approximate method of the analysis of two-dimensional triangular lattice photonic crystal laser operation above the threshold. Described approach is based on the coupled wave equations and the energy theorem. It includes gain saturation and spatial hole burning effects and takes into account surface emission losses. An expression is derived for the small signal gain coefficient for transverse magnetic modes as a function of the output power, losses, coupling strength. For the given structure parameters, obtained laser characteristics reveal optimal coupling strength, which indicates maximal power efficiency of the laser structure.
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页数:8
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