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题名: Low Noise HEB/QCL Integrated Heterodyne Receiver at 2.7 THz
作者: Gao, H.; Miao, W.; Lou, Z.; Zhang, W.; Yao, Q. J.; Shi, S. C.; Delorme, Y.; Lefevre, R.; Xu, G. Y.
刊名: 2016 IEEE INTERNATIONAL WORKSHOP ON ELECTROMAGNETICS: APPLICATIONS AND STUDENT INNOVATION COMPETITION (IWEM)
出版日期: 2016
期号: 0
英文摘要: In this paper, we present a low noise integrated heterodyne receiver at 2.7 THz. This heterodyne receiver is based on a superconducting hot electron bolometer (HEB) mixer and a low power consumption quantum cascade laser (QCL) that are both integrated on the same 4 K stage of a pulse tube cooler. We measured the noise temperature of the HEB/QCL integrated heterodyne receiver by using hot and cold blackbody loads in vacuum. The lowest double sideband receiver noise temperature is about 1000 K at 2.7 THz, and reduced to 500 K after eliminating the quasi-optical losses. In addition, the HEB/QCL integrated heterodyne receiver demonstrates an intermediate frequency (IF) noise bandwidth of 4 GHz.
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/16829
Appears in Collections:毫米波和亚毫米波技术实验室_期刊论文

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