Sub-monolayer quantum dot quantum cascade mid-infrared photodetector

Sub-monolayer quantum dot quantum cascade mid-infrared photodetector
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DOI:
10.1063/1.5011239
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发表时间:
2017-12-18
影响因子:
4
通讯作者:
Chen, Baile
Chen, Baile
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Huang, Jian;Guo, Daqian;Chen, Baile

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在这项工作中,我们展示了一个亚单层量子点量子级联光电探测器生长在砷化镓光伏中红外光电探测。该探测器在6.05 μ m波长处的正入射峰值响应率为1.90mA/W,在77 K时的电阻面积积为1.54 × 10(8)Ω cm(2)。相应的比探测率为3.22 × 10 ~(11)cm·Hz(1/ 2)/W。出版社:AIP Publishing
In this work, we demonstrate a sub-monolayer quantum dot quantum cascade photodetector grown on GaAs for photovoltaic mid-infrared photo-detection. The detector shows a normal-incident peak responsivity of 1.90mA/W at the wavelength of 6.05 mu m and a resistance-area product of 1.54 x 10(8) Omega cm(2) at 77 K. The corresponding specific detectivity is 3.22 x 10(11) cm.Hz(1/ 2)/W. Published by AIP Publishing.