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首页> 外文期刊>Physical review >Photon antibunching and nonlinear effects for a quantum dot coupled to a semiconductor cavity
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Photon antibunching and nonlinear effects for a quantum dot coupled to a semiconductor cavity

机译：耦合到半导体腔的量子点的光子反聚束和非线性效应

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摘要

The models presented simulate pumping techniques that can be used on modern semiconductor devices which are capable of coupling a quantum dot and cavity mode in order to determine a more efficient method of producing a single-photon emitter while taking into consideration typical parameters which are achievable given today's standards of coupling strength. Cavity quantum electrodynamics are incorporated in the calculations as we compare various pumping schemes for the system that either use on-resonant laser excitation or nonresonant excitation due to a wetting layer. In particular, we look to study how antibunching effects change for each method as the cavity finesse is increased toward the strong coupling regime. Experimentally these studies are equivalent to nonlinear pump-probe measurements, where a strong pump, either resonant or non-resonant, is used to excite the coupled system, and the resulting state is characterized using a weak, resonant probe beam.
机译：提出的模型模拟了可在现代半导体器件上使用的泵浦技术，该器件能够耦合量子点和腔模，从而在考虑典型给定参数的情况下确定生产单光子发射器的更有效方法。当今的耦合强度标准。当我们比较系统的各种泵浦方案时，空穴量子电动力学被纳入计算中，该系统由于湿润层而使用共振激光激励或非共振激励。特别是，我们希望研究随着腔的细度向强耦合方式增加时，每种方法的抗聚束效果如何变化。从实验上讲，这些研究等同于非线性泵浦探针测量，其中使用强泵（共振或非共振）来激发耦合系统，并使用弱的共振探测光束来表征最终状态。

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  • 来源
    《Physical review》 |2010年第11期|p.115328.1-115328.6|共6页
  • 作者

    F. Bello; rnD. M. Whittaker;

  • 作者单位

    Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, United Kingdom Departament de Fisica, Universitat Autbnoma de Barcelona, E-08193 Bellaterra, Spain;

    rnDepartment of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, United Kingdom;

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  • 正文语种 eng
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  • 关键词

    quantum dots; cavity quantum electrodynamics; micromasers;

    机译：量子点;腔量子电动力学微型激光器;

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