Intense terahertz emission from intrinsic Josephson junctions by external heat control

被引：35
|
作者：
Asai, Hidehiro [1 ]
Kawabata, Shiro [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Elect & Photon Res Inst ESPRIT, Tsukuba, Ibaraki 3058568, Japan
来源：
APPLIED PHYSICS LETTERS | 2014年 / 104卷 / 11期
关键词：
SUPERCONDUCTORS;
D O I：
10.1063/1.4868219
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A practical method for realizing intense terahertz (THz) emission from intrinsic Josephson junctions (IJJs) by utilizing external local-heating is proposed and demonstrated theoretically. An artificial temperature distribution induced by local heating strongly excites Josephson plasma waves inside IJJs. Accordingly, the emission power of the THz wave is enhanced drastically, and it can reach the order of mW. Our result indicates that the use of local heat control is a powerful method to realize practical solid-state THz-emitters based on IJJs. (C) 2014 AIP Publishing LLC.
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页数：4
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