太赫兹参量辐射源研究进展  

Research progress of terahertz parametric radiation sources

作　　者：张敬喜 王与烨[1,2] 徐炳烽 马鸿儒 刘紫鲲 徐德刚[1,2] 姚建铨[1,2] ZHANG Jingxi;WANG Yuye;XU Bingfeng;MA Hongru;LIU Zikun;XU Degang;YAO Jianquan(School of Precision Instruments and Optoelectronics Engineering,Tianjin University,Tianjin 300072,China;Key Laboratory of Optoelectronic Information Technology,Ministry of Education,Tianjin University,Tianjin 300072,China)

机构地区：[1]天津大学精密仪器与光电子工程学院,天津300072 [2]天津大学光电信息技术教育部重点实验室,天津300072

出　　处：《太赫兹科学与电子信息学报》2025年第2期73-83,共11页Journal of Terahertz Science and Electronic Information Technology

基　　金：国家自然科学基金资助项目(U22A20353,U22A20123,62175182,6227519)。

摘　　要：基于受激电磁耦子散射(SPS)的太赫兹参量辐射源是一种光学相干太赫兹辐射源,具有高相干性、频率可调谐、室温运转等优点。本文首先介绍了基于受激电磁耦子散射的基本原理、常用的非线性晶体和耦合技术,重点总结了近年来国内外在增益提升和输出性能提升方面的典型技术与研究成果,以及太赫兹辐射源在物质浓度检测中的应用研究进展,最后分析了太赫兹参量辐射源的关键技术问题以及发展趋势。A terahertz parametric radiation source based on Stimulated Polariton Scattering(SPS)is an optically coherent terahertz source,characterized by high coherence,frequency tunability,and operation at room temperature.The basic principle of terahertz parametric radiation based on SPS,commonly used nonlinear crystals,and coupling techniques are firstly introduced.Then typical techniques and research achievements in recent years,both domestical and international,are summarized regarding gain enhancement and output performance improvement.Additionally,the progress in the application of terahertz radiation sources in material concentration detection is reviewed.Finally,the key technical issues and development trends of terahertz parametric radiation sources are analyzed.

关 键 词：非线性光学 太赫兹参量源 受激电磁耦子散射 非线性晶体 

分 类 号：TN29[电子电信—物理电子学]