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首页> 外文期刊>Physical review >Optomechanical tuning of the polarization properties of micropillar cavity systems with embedded quantum dots
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Optomechanical tuning of the polarization properties of micropillar cavity systems with embedded quantum dots

机译：嵌入量子点微储腔系统极化特性的光学力学调整

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摘要

Strain tuning emerged as an appealing tool for tuning of fundamental optical properties of solid-state quantum emitters. In particular, the wavelength and fine structure of quantum dot states can be tuned using hybrid semiconductor-piezoelectric devices. Here, we show how an applied external stress can directly impact the polarization properties of coupled InAs quantum dot-micropillar cavity systems. In our experiment, we find that we can reversibly tune the anisotropic polarization splitting of the fundamental microcavity mode by approximately 60 μeV. We discuss the origin of this tuning mechanism, which arises from an interplay between elastic deformation and the photoelastic effect in our micropillar. Finally, we exploit this effect to tune the quantum dot polarization optomechanically via the polarization-anisotropic Purcell effect. Our work paves the way for optomechanical and reversible tuning of the polarization and spin properties of light-matter-coupled solid-state systems.
机译：应变调谐作为用于调整固态量子发射器的基本光学性能的吸引力工具。特别地，可以使用混合半导体压电装置调谐量子点状态的波长和精细结构。在这里，我们展示了应用的外部应力如何直接影响耦合InAs量子点微粒系统的偏振特性。在我们的实验中，我们发现我们可以通过大约60μEV来可逆地调谐基本微腔模式的各向异性偏振分离。我们讨论了这种调谐机制的起源，它从弹性变形和我们微米中的光弹性效果之间的相互作用产生。最后，我们利用这种效果通过极化 - 各向异性斑效应来调谐量子点极化。我们的工作为光学机械和可逆调谐的光学机械和可逆调谐铺平了光盘耦合固态系统的偏振和旋转性能。

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  • 来源
    《Physical review》 |2020年第24期|245308.1-245308.6|共6页
  • 作者

    Stefan Gerhardt; Magdalena Moczala-Dusanowska; Lukasz Dusanowski; Tobias Huber; Simon Betzold; Javier Martin-Sanchez; Rinaldo Trotta; Ana Predojevic; Sven Hoefling; Christian Schneider;

  • 作者单位

    Technische Physik Physikalisches Institut and Wuerzburg-Dresden Cluster of Excellence ct.qmat Universitaet Wuerzburg Am Hubland D-97074 Wuerzburg Germany;

    Technische Physik Physikalisches Institut and Wuerzburg-Dresden Cluster of Excellence ct.qmat Universitaet Wuerzburg Am Hubland D-97074 Wuerzburg Germany;

    Technische Physik Physikalisches Institut and Wuerzburg-Dresden Cluster of Excellence ct.qmat Universitaet Wuerzburg Am Hubland D-97074 Wuerzburg Germany;

    Technische Physik Physikalisches Institut and Wuerzburg-Dresden Cluster of Excellence ct.qmat Universitaet Wuerzburg Am Hubland D-97074 Wuerzburg Germany;

    Technische Physik Physikalisches Institut and Wuerzburg-Dresden Cluster of Excellence ct.qmat Universitaet Wuerzburg Am Hubland D-97074 Wuerzburg Germany;

    Department of Physics University of Oviedo 33003 Oviedo Asturias Spain Center of Research on Nanomaterials and Nanotechnology CINN (CSIC-Universidad de Oviedo) El Entrego 33940 Spain;

    Department of Physics Sapienza University of Rome Piazzale A. Moro 5 00185 Rome Italy;

    Department of Physics Stockholm University SE-106 91 Stockholm Sweden;

    Technische Physik Physikalisches Institut and Wuerzburg-Dresden Cluster of Excellence ct.qmat Universitaet Wuerzburg Am Hubland D-97074 Wuerzburg Germany SUPA School of Physics and Astronomy University of St. Andrews St. Andrews KY16 9SS United Kingdom;

    Technische Physik Physikalisches Institut and Wuerzburg-Dresden Cluster of Excellence ct.qmat Universitaet Wuerzburg Am Hubland D-97074 Wuerzburg Germany;

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