太赫兹科学与电子信息学报2024，Vol.22Issue(8)：807-812,822,7.DOI:10.11805/TKYDA2024231
基于超快热电效应及自旋热电子学效应的THz波产生
Terahertz emission via ultrafast thermoelectric effects and ultrafast spin caloritronics effects
冯正 1孙松 1何康 1文爽1
作者信息
- 1. 中国工程物理研究院电子工程研究所,四川 绵阳 621999||中国工程物理研究院微系统与太赫兹研究中心,四川 成都 610200
- 折叠
摘要
Abstract
Terahertz(THz)pulses can be generated by pumping photoconductive antennas,magnetic heterostructures,electro-optic crystals,and air,etc.with femtosecond lasers,which are mainly based on non-thermal effects such as transient changes in carriers and electric polarization under femtosecond excitation.Meanwhile,the laser heating effects inevitably occur during the interactions of femtosecond lasers with matter,and the ultrafast thermoelectric effects and the ultrafast spin caloritronics effects have gained increasing attention in recent years for the ability to generate terahertz waves.In this paper,the research progresses of THz emission induced by two ultrafast thermoelectric effects including the Seebeck effect and the Nernst effect,and two ultrafast spin caloritronics effects including the spin Seebeck effect and the anomalous Nernst effect,are introduced in detail.The ultrafast thermoelectric effects and the ultrafast spin caloritronics effects have exhibited great potential in terahertz generation,which could promote the development and the applications of THz sources and related technologies.关键词
热效应/自旋热效应/超快/太赫兹波产生/塞贝克效应/能斯特效应/自旋塞贝克效应/反常能斯特效应Key words
thermoelectric effect/spin caloritronics effect/ultrafast/terahertz emission/Seebeck effect/Nernst effect/spin Seebeck effect/anomalous Nernst effect分类
信息技术与安全科学引用本文复制引用
冯正,孙松,何康,文爽..基于超快热电效应及自旋热电子学效应的THz波产生[J].太赫兹科学与电子信息学报,2024,22(8):807-812,822,7.
