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	Design of low-loss surface-plasmon quantum cascade lasers
	Lu, Quan-Yong; Zhang, Wei; Wang, Li-Jun; Gao, Yu; Yin, Wen; Zhang, Quan-De; Liu, Wan-Feng; Liu, Feng-Qi; Wang, Zhan-Guo
刊名	Japanese journal of applied physics
	2009-12-01
卷号	48期号:12页码:5
ISSN号	0021-4922
DOI	10.1143/jjap.48.122101
通讯作者	Lu, quan-yong()
英文摘要	A low-loss waveguide design for the mid-infrared surface-plasmon quantum cascade lasers (qcls) is proposed. a waveguide loss of 6.5-8 cm(-1) with a confinement factor above 50% is obtained by modulating the doping concentration and thickness of the in(0.53)ga(0.47)as (ingaas) contact layer to around 1.3 x 10(19)cm(-3) and 100 nm. the overlapping of lasing mode with the highly lossy surface plasmons is therefore substantially reduced. the delocalizing the lasing mode profile to the substrate improves the far field angle of the lasing beam in the epilayer direction with a reduction about 25 degrees. (c) 2009 the japan society of applied physics
WOS关键词	FIELD MOBILITY MODEL ; SEMICONDUCTOR-LASERS ; OPTICAL-PROPERTIES ; SUBMILLIMETER WAVELENGTHS ; WAVE-GUIDES ; AL ; PB ; AU ; FE ; NI
WOS研究方向	Physics
WOS类目	Physics, Applied
语种	英语
出版者	JAPAN SOC APPLIED PHYSICS
WOS记录号	WOS:000273410100044
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2427529
专题	半导体研究所
通讯作者	Lu, Quan-Yong
作者单位	Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Lu, Quan-Yong,Zhang, Wei,Wang, Li-Jun,et al. Design of low-loss surface-plasmon quantum cascade lasers[J]. Japanese journal of applied physics,2009,48(12):5.
APA	Lu, Quan-Yong.,Zhang, Wei.,Wang, Li-Jun.,Gao, Yu.,Yin, Wen.,...&Wang, Zhan-Guo.(2009).Design of low-loss surface-plasmon quantum cascade lasers.Japanese journal of applied physics,48(12),5.
MLA	Lu, Quan-Yong,et al."Design of low-loss surface-plasmon quantum cascade lasers".Japanese journal of applied physics 48.12(2009):5.

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