SURFACE-EMITTING DISTRIBUTED FEEDBACK SEMICONDUCTOR-LASER

被引:56
作者
MACOMBER, SH [1 ]
MOTT, JS [1 ]
NOLL, RJ [1 ]
GALLATIN, GM [1 ]
GRATRIX, EJ [1 ]
ODWYER, SL [1 ]
LAMBERT, SA [1 ]
机构
[1] VARO INC,DIV ELECTRON DEVICE,GARLAND,TX 75046
关键词
D O I
10.1063/1.98397
中图分类号
O59 [应用物理学];
学科分类号
摘要
Electrically pumped, surface-emitting distributed feedback lasers were for the first time demonstrated without any facet reflections. The devices contained second-order gratings etched into a thin p-AlGaAs cladding layer surface. A gold ohmic contact deposited directly onto the p-AlGaAs grating surface provided strong coupling to the waveguide mode. Single spatial mode devices with low divergence output beams and single frequency spectra were obtained at room temperature.
引用
收藏
页码:472 / 474
页数:3
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