Generation of Terahertz radiation from a soliton cavity in a laser-plasma system

被引：0

作者：

Verma, Deepa ^{[1
,2
]}

Sengupta, Sudip ^{[2
,3
]}

Sen, Abhijit ^{[2
,3
]}

Tiwari, Sanat ^{[1
]}

机构：

[1] Indian Inst Technol Jammu, Jammu 181221, J&K, India

[2] Inst Plasma Res, Bhat 382428, Gandhinagar, India

[3] HBNI, BARC Training Sch Complex, 2nd Floor, Mumbai 400094, Maharashtra, India

来源：

PHYSICA SCRIPTA | 2025年 / 100卷 / 01期

关键词：

laser-plasma; Particle-In-Cell; electromagnetic soliton; ELECTROMAGNETIC SOLITONS; PULSE; LIGHT;

D O I：

10.1088/1402-4896/ad94b1

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using particle-in-cell simulations, we demonstrate a novel mechanism for the generation of terahertz radiation in a laser-plasma system. The radiation originates from current oscillations trapped in a stable soliton cavity created by the laser in the under-dense plasma region. These oscillations behave like a current dipole antenna. The characteristics of the antenna can be controlled by tuning the laser-plasma parameters to achieve the desired output frequency. We discuss the optimum conditions for the physical realization of this mechanism and its potential practical applications.

引用

页数：14

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