Computer simulation on terahertz emission from intrinsic Josephson junctions of high-Tc superconductors

被引：46

作者：

Lin, Shizeng ^{[1
,3
]}

Hu, Xiao ^{[1
]}

Tachiki, Masashi ^{[2
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

[2] Univ Tokyo, Grad Sch Frontier Sci, Kashiwanoha 2778568, Japan

[3] Zhejiang Univ, Zhejiang Inst Modern Phys, Hangzhou 310027, Peoples R China

来源：

PHYSICAL REVIEW B | 2008年 / 77卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.77.014507

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Solving coupled nonlinear sine-Gordon equations and Maxwell equations numerically, we study the electromagnetic and superconducting properties of the single crystal of high-T-c superconductor Bi2Sr2CaCu2O8+delta with a static magnetic field applied parallel to the ab plane and a dc fed in along the c axis. Cavity resonances of transverse plasma occur in the intrinsic Josephson junctions with frequencies in terahertz regime. It is revealed that the electromagnetic wave can transmit from the junctions into space. The emitted energy counted by the Poynting vector is about 400 W/cm(2). The frequency as well as the energy of emission can be tuned almost continuously by the current and magnetic field.

引用

页数：5

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