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	Two-color in0.4ga0.6as/al0.1ga0.9as quantum dot infrared photodetector with double tunneling barriers
	Huang, Jianliang; Ma, Wenquan; Wei, Yang; Zhang, Yanhua; Huo, Yongheng; Cui, Kai; Chen, Lianghui
刊名	Applied physics letters
	2011-03-07
卷号	98期号:10页码:3
ISSN号	0003-6951
DOI	10.1063/1.3561777
通讯作者	Ma, wenquan(wqma@semi.ac.cn)
英文摘要	We report a two-color quantum dot infrared photodetector (qdip) using double tunneling barriers (dtbs) on one side of the ingaas/algaas dots. the two-color detection is achieved by changing the polarity of the applied bias voltages. in contrast, the same qdip structure without the dtbs does not exhibit this detection wavelength tunability by switching the bias polarity. the two-color detection is ascribed to a different escape mechanism of electrons between positive and negative biases. the electrons escape out of the quantum well through resonant tunneling for a positive bias voltage while tunnel through a triangular barrier for a negative bias voltage. (c) 2011 american institute of physics. [doi:10.1063/1.3561777]
WOS研究方向	Physics
WOS类目	Physics, Applied
语种	英语
出版者	AMER INST PHYSICS
WOS记录号	WOS:000288277200072
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2428165
专题	半导体研究所
通讯作者	Ma, Wenquan
作者单位	Chinese Acad Sci, Inst Semicond, Lab Nanooptoelect, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Huang, Jianliang,Ma, Wenquan,Wei, Yang,et al. Two-color in0.4ga0.6as/al0.1ga0.9as quantum dot infrared photodetector with double tunneling barriers[J]. Applied physics letters,2011,98(10):3.
APA	Huang, Jianliang.,Ma, Wenquan.,Wei, Yang.,Zhang, Yanhua.,Huo, Yongheng.,...&Chen, Lianghui.(2011).Two-color in0.4ga0.6as/al0.1ga0.9as quantum dot infrared photodetector with double tunneling barriers.Applied physics letters,98(10),3.
MLA	Huang, Jianliang,et al."Two-color in0.4ga0.6as/al0.1ga0.9as quantum dot infrared photodetector with double tunneling barriers".Applied physics letters 98.10(2011):3.

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