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相关概念视频

The Quantum-Mechanical Model of an Atom02:45

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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing...
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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
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使用单个原子的纳米光子量子相位开关.

T G Tiecke1, J D Thompson2, N P de Leon3

  • 11] Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA [2] Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA [3].

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概括

研究人员开发了一种使用单个原子和光子晶体腔的量子光学开关. 这一突破使单个光子能够控制光的传播,为先进的量子网络和通信铺平了道路.

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科学领域:

  • 量子光学就是量子光学.
  • 纳米光子学 纳米光子学
  • 量子信息科学是一种量子信息科学.

背景情况:

  • 量子光学开关对于量子电路和网络至关重要.
  • 目前的局限性阻碍了诸如量子通信和处理等应用.
  • 对光的原子控制是一个关键的挑战.

研究的目的:

  • 实现使用强原子光子合的量子光学开关.
  • 为了证明单个原子对光子相的控制,反之亦然.
  • 为未来的量子技术提供新的量子功能.

主要方法:

  • 强烈地将单个光子与单个原子结合起来.
  • 将原子困在纳米级光子晶体腔的近场中.
  • 通过实验证明非线性光学相位移和光子路由.

主要成果:

  • 在两光子水平上实现了原子诱导的光学相位移非线性.
  • 演示了一个分离单个光子和光子对的光子数路由器.
  • 实现了一个由"门"光子控制的单光子开关.

结论:

  • 开发的系统作为量子纳米光子网络的基本构建块.
  • 这些技术促进了具有多个原子节点的集成量子网络.
  • 这项研究为先进的量子通信和计算开辟了道路.