A wideband terahertz planar Schottky diode fourth-harmonic mixer with low LO power requirement

被引：5
|
作者：
Yang Yi-Lin [1 ]
Zhang Bo [1 ]
Ji Dong-Feng [1 ]
Wang Yi-Wei [1 ]
Zhao Xiang-Yang [2 ]
Fan Yong [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 611731, Peoples R China
[2] Hebei Semicond Res Inst, Natl Key Lab Applicat Specif Integrated Circuit, Shijiazhuang 050000, Hebei, Peoples R China
来源：
JOURNAL OF INFRARED AND MILLIMETER WAVES | 2020年 / 39卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Fourth-harmonic mixer; low local oscillator power; Schottky diode; Terahertz band; wideband; SUB-HARMONIC MIXER; WAVELENGTH;
D O I：
10.11972/j.issn.1001-9014.2020.05.002
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A wideband terahertz fourth-harmonic mixer with low local oscillator (LO) power requirement based on anti-parallel planar Schottky diodes is proposed. In order to realize best performances of the mixer, the relations between the parasitic elements of Schottky diodes and the mixer's performances are analyzed. The main parameters of Schottky diodes are optimized to reduce the optimum LO power of the fourth-harmonic mixer. Measured results show that the conversion loss of the proposed mixer based on specialized diodes is 14.2 similar to 20 dB within a wide band from 340 to 490 GHz with optimal LO power of 7 mW, while the noise temperature is 4020 similar to 17100 K in this frequency range.
引用
收藏
页码：540 / 546
页数：7
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