光子学太赫兹源研究进展

Recent progress in THz sources based on photonics methods

为了进一步开发、利用高功率、高效率、可调谐且在室温下稳定运转的太赫兹(THz)源,介绍、分析了国内外利用光子技术产生THz波的研究进展,包括THz气体激光器、空气等离子体THz源、光电导天线以及基于非线性光学效应的光学整流、光学差频、参量振荡等THz源,并指出了光子学THz源未来发展所面临的困难和需要解决的关键技术。

To develop and make use of tunable Terahertz（THz） sources with high power,high efficiency and operating in room temperature,this paper researches and analyzes the progress in THz sources by photonics methods,including optically pumped THz lasers,air plasma THz sources,photoconductive antennas and the optical rectification,difference frequency generation,THz parametric generation based on nonlinear optical process.The numerous challenges and key technologies of this THz generation method are also proposed.