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Nonlocal biphoton generation in a Werner state from a single semiconductor quantum dot

机译:从单个半导体量子点以Werner态生成非局部双光子

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摘要

We demonstrate the generation of a Werner-like state from a single semiconductor quantum dot. The tomographic analysis with temporal gating brings us to a systematic understanding of the relation between the time evolution of quantum correlation and a set of parameters characterizing the exciton states, including fine-structure splitting and cross-dephasing time. The Werner state relates the Bell's parameter in the Clauser, Home, Shimony, and Holt inequality with a fidelity, which facilitates the evaluation of nonlocality.
机译:我们演示了从单个半导体量子点产生类似Werner态的现象。带有时间门控的层析成像分析使我们对量子相关性的时间演化与表征激子态的一组参数之间的关系有系统的理解,包括精细结构的分裂和相移时间。 Werner状态与保真度,Home,Shimony和Holt不等式中的Bell参数保真度相关,这有助于评估非局部性。

著录项

  • 来源
    《Physical review》 |2015年第20期|205437.1-205437.6|共6页
  • 作者单位

    Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan;

    Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan;

    National Institute for Materials Science, 1 Namiki, Tsukuba 305-0044, Japan;

    National Institute for Materials Science, 1 Namiki, Tsukuba 305-0044, Japan;

    National Institute for Materials Science, 1 Namiki, Tsukuba 305-0044, Japan;

    Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan;

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

    quantum dots; state reconstruction, quantum tomography; theory, models, and numerical simulation;

    机译:量子点;状态重建;量子层析成像;理论;模型和数值模拟;

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