Wide-Range Varactor-Tuned Terahertz Oscillator Using Resonant Tunneling Diode

被引：7
作者：
Kitagawa, Seiichirou [1 ]
Suzuki, Safumi [1 ]
Asada, Masahiro [1 ]
机构：
[1] Tokyo Inst Technol, Interdisciplinary Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528552, Japan
来源：
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES | 2014年 / 35卷 / 05期
基金：
日本科学技术振兴机构;
关键词：
Frequency-tunable terahertz oscillators; Resonant tunneling diode; Varactor diode; Slot antenna; SUB-TERAHERTZ; TECHNOLOGY;
D O I：
10.1007/s10762-014-0061-4
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：
We propose a wide-range varactor-tuned terahertz oscillator using a resonant tunneling diode (RTD) and estimate the tuning range. In a slot antenna, a varactor diode is placed in parallel with an RTD and can be operated with different bias voltages. Frequency tuning is possible by changing the varactor-diode capacitance with the bias voltage. A wide frequency tuning range > 200 GHz (500 to 740 GHz) is obtained with an oscillator with a 20-mu m-long antenna, 1.3-mu m(2) RTD mesa, and 16-mu m(2) varactor-diode mesa by electromagnetic-field analysis including a varactor-diode model.
引用
收藏
页码：445 / 450
页数：6
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