Single mode interband cascade lasers based on lateral metal gratings

被引：32
|
作者：
Weih, Robert [1 ,2 ]
Naehle, Lars [3 ]
Hoefling, Sven [1 ,2 ]
Koeth, Johannes [3 ]
Kamp, Martin [1 ,2 ]
机构：
[1] Univ Wurzburg, Inst Phys, D-97074 Wurzburg, Germany
[2] Univ Wurzburg, Wilhelm Conrad Rontgen Res Ctr Complex Mat Syst, D-97074 Wurzburg, Germany
[3] Nanoplus GmbH, D-97218 Gerbrunn, Germany
来源：
APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 07期
关键词：
MU-M; ROOM-TEMPERATURE; WAVELENGTH RANGE; DIODES;
D O I：
10.1063/1.4893788
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Single mode distributed feedback (DFB) interband cascade lasers were realized by placing metal gratings laterally to dry etched ridges. A discrete tuning range of 104 nm could be realized on the same gain material by a variation of the grating period. At room temperature, a 2.4 mm long and 9.8 mu m wide ridge with as-cleaved facets emitted more than 6 mW of single mode output power in continuous-wave (cw) mode at a wavelength around 3.8 mu m. With typical temperature-and current-tuning rates of 0.31 nm/degrees C and 0.065 nm/mA, respectively, a total tuning bandwidth of more than 10 nm could be covered with a single device. (C) 2014 AIP Publishing LLC.
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页数：3
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