1.3-μm GaInNAs-AlGaAs distributed feedback lasers

被引:41
作者
Reinhardt, M [1 ]
Fischer, M [1 ]
Kamp, M [1 ]
Hofmann, J [1 ]
Forchel, A [1 ]
机构
[1] Univ Wurzburg, D-97074 Wurzburg, Germany
关键词
distributed feedback (DFB) lasers; gain coupling; GaInNAs; optical fiber communications; semiconductor lasers;
D O I
10.1109/68.826900
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
Room temperature continuous-wave operation of 1.3-mu m single-mode GaInNAs-AlGaAs distributed feedback (DFB)-lasers has been realized, The laser structure has been grown by solid source molecular beam epitaxy (MBE) using an electron cyclotron resonance plasma source for nitrogen activation (ECR-MBE). Laterally to the laser ridge a metal grating is patterned in order to obtain DFB, The evanescent field of the laser mode couples to the grating resulting in single-mode DFB emission. The continuous wave threshold currents are around 120 mA for a cavity with 800-mu m length and 2 mu m width, Monomode emission with side-mode suppression ratios of nearly 40 dB have been obtained.
引用
收藏
页码:239 / 241
页数:3
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