Novel single mode laser operation using 2-D photonic crystal

被引:0
|
作者
Zhao, X [1 ]
Williams, KA [1 ]
Bennett, PJ [1 ]
Chu, Y [1 ]
Penty, RV [1 ]
White, IH [1 ]
Lin, YX [1 ]
Yu, YC [1 ]
Huang, YL [1 ]
Kang, DJ [1 ]
Blamire, MG [1 ]
机构
[1] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
关键词
semiconductor laser; photonic crystal; transverse mode beating;
D O I
10.1117/12.581379
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Enhanced mode selection is facilitated by incorporating compact two dimensional photonic crystal gratings into Fabry-Perot lasers. The gratings are etched directly through the active layer and interact strongly with the guided mode. A high mode-selectivity 2D grating which is significantly wider than the ridge waveguide structure is investigated. The mode selectivity for the structure is -37 dB. The enhanced selectivity afforded by the broad 2D grating is attributable to a novel and robust photonic bandgap mechanism: transverse mode beating.
引用
收藏
页码:36 / 44
页数:9
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