SEMI OpenIR  > 中科院半导体材料科学重点实验室
Single-mode surface-emitting distributed feedback quantum-cascade lasers based on hybrid waveguide structure
Guo WH; Liu JQ; Chen JY; Li L; Wang LJ; Liu FQ; Wang ZG
2011
Source PublicationCHINESE OPTICS LETTERS
Volume9Issue:6Pages:Art. No. 061404
AbstractSurface-emitting distributed feedback quantum-cascade lasers operating at lambda approximate to 7.8 mu m are demonstrated. The metal-covered second-order grating is shallow-etched into the surface of a thin InGaAs contact and cladding layer. This forms a hybrid waveguide and used to achieve relatively low waveguide losses and high coupling strengths. The devices exhibit stable single-mode operation from 90 to 130 K with a side mode suppression ratio above 20 dB. A slope efficiency of 194 mW/A is obtained at 90 K, which is twice higher than that of the Fabry-Perot counterpart.
Subject Area半导体材料
Indexed BySCI
Language英语
Date Available2011-07-07
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/21397
Collection中科院半导体材料科学重点实验室
Recommended Citation
GB/T 7714
Guo WH,Liu JQ,Chen JY,et al. Single-mode surface-emitting distributed feedback quantum-cascade lasers based on hybrid waveguide structure[J]. CHINESE OPTICS LETTERS,2011,9(6):Art. No. 061404.
APA Guo WH.,Liu JQ.,Chen JY.,Li L.,Wang LJ.,...&Wang ZG.(2011).Single-mode surface-emitting distributed feedback quantum-cascade lasers based on hybrid waveguide structure.CHINESE OPTICS LETTERS,9(6),Art. No. 061404.
MLA Guo WH,et al."Single-mode surface-emitting distributed feedback quantum-cascade lasers based on hybrid waveguide structure".CHINESE OPTICS LETTERS 9.6(2011):Art. No. 061404.
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