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Mode-locked VECSEL SESAM with Intracavity Antenna for Terahertz Emission

机译：带腔内天线的锁模VECSEL SESAM用于太赫兹发射

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摘要

Mode-locked Vertical External-Cavity Surface-Emitting Lasers (ML-VECSELs) have seen advances in pulse energy and peak power thanks to improved power handling techniques and structure designs. The significant increase in gain and intra-cavity power, coupled with the VECSEL's accessible external-cavity, has made the addition of intra-cavity elements for frequency conversion possible even for lossy conversion mechanisms. In this paper, we report a gold-patterned Semiconductor Saturable Absorbing Mirror (SESAM) that functions both as a slow saturable absorber in a ML-VECSEL and as an intracavity strip line Photo-Conductive Antenna (PCA) for THz emission. Here we describe the design of the strip emitter, THz-Time Domain Spectroscopy (TDS) performed with a ML-Yb fibre laser and the mode-locked characterisation of a ML-VECSEL built with the patterned SESAM.
机译：锁模垂直外腔表面发射激光器（ML-VECSEL）在脉冲能量和峰值功率方面有了进步，这要归功于改进的功率处理技术和结构设计。增益和腔内功率的显着提高，再加上VECSEL的可访问的外部腔，使得即使是有损转换机制，也可以添加腔内元件进行频率转换。在本文中，我们报告了一种金色图案的半导体可饱和吸收镜（SESAM），它既可作为ML-VECSEL中的慢速可饱和吸收剂，又可作为腔内带状线光电导天线（PCA）来发射THz。在这里，我们描述了使用ML-Yb光纤激光器进行的带状发射器的设计，太赫兹时域光谱（TDS）以及采用图案化SESAM构建的ML-VECSEL的锁模特性。

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  • 来源
    《》|2017年|100870O.1-100870O.7|共7页
  • 会议地点 San Francisco(US)
  • 作者

    T. Chen Sverre; A. P. Turnbull; P. C. Gow; E. Mavrona; J. R. C. Woods; C. R. Head; V. Apostoulopoulos; A. C. Tropper;

  • 作者单位

    Department of Physics and Astronomy, University of Southampton, Highfield Road Southampton, United Kngdom, SO17 1BJ;

    Department of Physics and Astronomy, University of Southampton, Highfield Road Southampton, United Kngdom, SO17 1BJ;

    Department of Physics and Astronomy, University of Southampton, Highfield Road Southampton, United Kngdom, SO17 1BJ;

    Department of Physics and Astronomy, University of Southampton, Highfield Road Southampton, United Kngdom, SO17 1BJ;

    Department of Physics and Astronomy, University of Southampton, Highfield Road Southampton, United Kngdom, SO17 1BJ;

    Department of Physics and Astronomy, University of Southampton, Highfield Road Southampton, United Kngdom, SO17 1BJ;

    Department of Physics and Astronomy, University of Southampton, Highfield Road Southampton, United Kngdom, SO17 1BJ;

    Department of Physics and Astronomy, University of Southampton, Highfield Road Southampton, United Kngdom, SO17 1BJ;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    VECSEL; THz; Intracavity; mode-locked;

    机译：VECSEL；太赫兹腔内锁模;

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