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首页> 外文期刊>Optics Letters >All-optical control of ultrahigh-Q silica microcavities with iron oxide nanoparticles
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All-optical control of ultrahigh-Q silica microcavities with iron oxide nanoparticles

机译：用氧化铁纳米粒子的超高Q二氧化硅微腔控制的全光学控制

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摘要

We propose and experimentally demonstrate, to the best of our knowledge, the first all-optical control scheme of ultrahigh-quality (Q)-factor silica microcavities, which can maintain their Q factors over 10(8) during the tuning process. For silica microcavities, the resonance tunability is very important and is also challenging for many applications. However, almost all previous works on resonance tuning deteriorate the Q factors of silica microcavities at different levels, and evidently these schemes are not suitable for applications in which ultrahigh Q factors are required. In this work, based on the proposed silica microbottle cavity and iron oxide nanoparticles, we realize all-optical control of the silica microcavity and maintain its Q factor of around 1.2 x 10(8) during the tuning process. A tuning range of 85.9 GHz (0.68 nm) and a tuning sensitivity of 13.6 GHz/mW are obtained, and it is possible to realize full tunability by bridging the azimuthal free spectral range using six adjacent q-series modes. Moreover, all-optical control of the reflection spectrum is also carried out. This work will broaden the applications of ultrahigh-Q silica microcavities in nonlinear optics, microwave photonics, cavity optomechanics, and cavity quantum electrodynamics. (C) 2017 Optical Society of America
机译：我们提出并通过实验证明，据我们所知，超高质量（Q） - 因子二氧化硅微腔的第一个全光学控制方案，可以在调谐过程中保持10（8）上的Q因子。对于二氧化硅微透视，共振可调性非常重要，并且对于许多应用也是挑战性的。然而，几乎所有先前的共振调谐作品都会恶化不同级别的二氧化硅微窝度的Q因子，并且显然这些方案不适合需要超高Q因素的应用。在这项工作中，基于所提出的二氧化硅微腔和氧化铁纳米粒子，我们实现了二氧化硅微腔的全光学控制，并在调谐过程中保持其Q系数约为1.2×10（8）。获得85.9GHz（0.68nm）的调谐范围和13.6GHz / MW的调谐灵敏度，并且可以通过使用六种相邻的Q系列模式促进方位角自由谱范围来实现完全可调性。此外，还执行反射谱的全光控制。这项工作将扩大超高Q二氧化硅微腔在非线性光学，微波光子，空腔光学力学和腔量子电动动力学中的应用。 （c）2017年光学学会

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  • 来源
    《Optics Letters》 |2017年第24期|共4页
  • 作者

    Zhu Song; Shi Lei; Yuan Shixing; Xu Xinbiao; Zhang Xinliang;

  • 作者单位

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Wuhan 430074 Hubei Peoples R China;

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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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