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dc.contributor.authorChen, CCen_US
dc.contributor.authorChen, HCen_US
dc.contributor.authorHsu, MCen_US
dc.contributor.authorHsieh, WHen_US
dc.contributor.authorKuan, CHen_US
dc.contributor.authorWang, SYen_US
dc.contributor.authorLee, CPen_US
dc.date.accessioned2014-12-08T15:42:48Z-
dc.date.available2014-12-08T15:42:48Z-
dc.date.issued2002-02-01en_US
dc.identifier.issn0021-8979en_US
dc.identifier.urihttp://dx.doi.org/10.1063/1.1430887en_US
dc.identifier.urihttp://hdl.handle.net/11536/29017-
dc.description.abstractAn infrared photodetector that contains a superlattice structure and a blocking barrier was investigated. The photodetector shows advantages including a low operating voltage (<0.7 V), wide detection bandwidth, flexible miniband engineering, and in particular, voltage-tunable spectral responsivity. The blocking barrier not only prohibits the dark current but also acts as a high-pass energy filter to tune the spectral responsivity. The zero background peak detectivity of our detector is 3.7x10(9) cm Hz(0.5)/W (9.7 mum) at -0.5 V and 2.2x10(10) cm Hz(0.5)/W (6.7 mum) at -0.1 V. Since the spectral responsivity at different biases is independent, temperature sensing is feasible by taking the ratio of the measured photocurrent at different biases. A demonstration of temperature sensing by using our superlattice infrared photodetector with a blocking barrier is also shown in this article. Those results show the superlattice is a simple and efficient structure for the design of a multicolor infrared photodetector. (C) 2002 American Institute of Physics.en_US
dc.language.isoen_USen_US
dc.titlePerformance and application of a superlattice infrared photodetector with a blocking barrieren_US
dc.typeArticleen_US
dc.identifier.doi10.1063/1.1430887en_US
dc.identifier.journalJOURNAL OF APPLIED PHYSICSen_US
dc.citation.volume91en_US
dc.citation.issue3en_US
dc.citation.spage943en_US
dc.citation.epage948en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000173418500008-
dc.citation.woscount5-
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