Synchronized operation of two serially connected Bi2212 THz emitters

被引：27
|
作者：
Orita, Naoki [1 ]
Minami, Hidetoshi
Koike, Takashi
Yamamoto, Takashi
Kadowaki, Kazuo
机构：
[1] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3050006, Japan
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2010年 / 470卷
关键词：
Terahertz emission; Intrinsic Josephson junction; BI2SR2CACU2O8+DELTA; RADIATION;
D O I：
10.1016/j.physc.2010.01.051
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Synchronization phenomena of two rectangular THz emitting mesas separately located side by side at a distance of 200 mu m are reported on a high-T(c) superconductor Bi(2)Sr(2)CaCu(2)O(8+delta) single crystal. With varying bias current, two emission peaks observed from two mesas at frequencies around 0.7 THz merge into one emission line and stay together until the emission stops by Joule heating. The frequency locking phenomenon accompanied by the increase of total radiation power suggests that a coherent operation is realized between two separate mesas. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：S786 / S787
页数：2
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