Abstract In this paper we review the field of terahertz (THz) sources which make use of the nonlinear, stimulated polariton scattering (SPS) process. A historical perspective of the technology is offered, in addition to an investigation of modern SPS-based THz sources. Breakthroughs in these source technologies have coincided with rapid developments in laser technology over the past 10 years. We are now in an age where pulsed SPS-THz sources are generating peak powers in excess of 50 ​kW, and continuous wave SPS-THz sources can be produced using diode pump powers as low as 2.3 ​W. The versatility of this approach to THz generation has enabled the generation of coherent THz radiation across continuous wave (CW), nanosecond-, and picosecond-pulsed modalities, with sources spanning the frequency range 0.5–13 ​THz. Being based on robust and well-developed, crystalline solid-state laser technology, these sources hold great promise as an enabling technology for a plethora of THz applications.

中文翻译：

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基于受激极化子散射的太赫兹源

摘要 在本文中，我们回顾了利用非线性受激极化子散射 (SPS) 过程的太赫兹 (THz) 源领域。除了对基于 SPS 的现代太赫兹源的调查之外，还提供了该技术的历史视角。这些光源技术的突破与过去 10 年激光技术的快速发展相吻合。我们现在处于脉冲 SPS-THz 源产生超过 50 kW 峰值功率的时代，而连续波 SPS-THz 源可以使用低至 2.3 W 的二极管泵浦功率产生。这种太赫兹生成方法的多功能性使得在连续波 (CW)、纳秒和皮秒脉冲模式中生成相干太赫兹辐射成为可能，源的频率范围为 0.5-13 THz。