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Real-time spectral characterization of a photon pair source using a chirped supercontinuum seed

机译：使用啁啾超不连续种子的光子对源的实时光谱表征

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摘要

Photon pair sources have wide ranging applications in a variety of quantum photonic experiments and protocols. Many of these protocols require well controlled spectral correlations between the two output photons. However, due to low cross-sections, measuring the joint spectral properties of photon pair sources has historically been a challenging and time-consuming task. Here, we present an approach for the real-time measurement of the joint spectral properties of a fiber-based four wave mixing source. We seed the four wave mixing process using a broadband chirped pulse, studying the stimulated process to extract information regarding the spontaneous process. In addition, we compare stimulated emission measurements with the spontaneous process to confirm the technique's validity. Joint spectral measurements have taken many hours historically and several minutes with recent techniques. Here, measurements have been demonstrated in 5-30 s depending on resolution, offering substantial improvement. Additional benefits of this approach include flexible resolution, large measurement bandwidth, and reduced experimental overhead. (C) 2018 Optical Society of America
机译：光子对源具有广泛的用于各种量子光子实验和方案的应用程序。许多这些协议需要很好地控制在两个输出光子之间的频谱相关性。然而，由于低的横截面，测定的光子对源的联合光谱特性曾经是一个具有挑战性的并且耗时的任务。这里，我们提出了一个基于光纤的四个波混合源的联合光谱特性的实时测量的方法。我们使用宽带啁啾脉冲种子的四波混频过程，研究关于自发过程的刺激过程中提取信息。此外，我们比较的自发过程，以确认该技术的有效性受激辐射的测量。联合光谱测量采取了许多历史和时间数分钟近期技术。在这里，测量已经被证明在这取决于分辨率5-30 S，提供了显着改善。这种方法的其它优点还包括灵活的分辨率，较大的测量带宽，并减少实验的开销。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第4期|共4页
  • 作者

    Erskine Jennifer; England Duncan; Kupchak Connor; Sussman Benjamin;

  • 作者单位

    Univ Ottawa Dept Phys 598 King Edward Ottawa ON K1N 6N5 Canada;

    Natl Res Council Canada 100 Sussex Dr Ottawa ON K1A 0R6 Canada;

    Univ Ottawa Dept Phys 598 King Edward Ottawa ON K1N 6N5 Canada;

    Univ Ottawa Dept Phys 598 King Edward Ottawa ON K1N 6N5 Canada;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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