NbN hot electron bolometric mixers - A new technology for low-noise THz receivers

被引：35

作者：

Gerecht, E ^{[1
]}

Musante, CF

Zhuang, Y

Yngvesson, KS

Goyette, T

Dickinson, JC

Waldman, J

Yagoubov, PA

Gol'tsman, GN

Voronov, BM

Gershenzon, EM

机构：

[1] Univ Massachusetts, Dept Phys & Astron, Amherst, MA 01003 USA

[2] Univ Massachusetts, Dept Elect & Comp Engn, Amherst, MA 01003 USA

[3] Univ Lowell, Submillimeter Technol Lab, Lowell, MA 01854 USA

[4] Chalmers Univ Technol, Dept Microwave Engn, S-41296 Gothenburg, Sweden

[5] Moscow State Pedag Univ, Dept Phys, Moscow 119882, Russia

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1999年 / 47卷 / 12期

基金：

美国国家科学基金会;

关键词：

focal plane arrays; hot electron bolometer mixers; low-noise receivers; NbN; quasi-optical coupling; superconducting devices; terahertz technology;

D O I：

10.1109/22.809001

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

New advances in hot electron bolometer (HEB) mixers have recently resulted in record-low receiver noise temperatures at terahertz frequencies, We have developed quasi optically coupled NbN HEB mixers and measured noise temperatures up to 2.24 THz, as described in this paper. We project the anticipated future performance of such receivers to have even lower noise temperature and local-oscillator power requirement as well as wider gain and noise bandwidths, We introduce a proposal for integrated focal plane arrays of HEB mixers that will further increase the detection speed of terahertz systems.

引用

页码：2519 / 2527

页数：9

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