Method and device for constructing quantum network and quantum network

A quantum and network technology, applied in the field of quantum information, can solve problems that are not conducive to large-scale quantum computing and quantum network implementation, and achieve the effect of avoiding crosstalk

Active Publication Date: 2021-05-11
TSINGHUA UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] To sum up, in the process of realizing the entanglement of atoms and photons, crosstalk errors should be strictly avoided. The method o

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  • Method and device for constructing quantum network and quantum network
  • Method and device for constructing quantum network and quantum network
  • Method and device for constructing quantum network and quantum network

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[0066]In order to make the objects, technical solutions, and advantages of the present invention, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the features in the embodiments and embodiments in the present application may be any combination with each other in the case of an unable conflict.

[0067]The steps shown in the flowcharts of the drawings can be performed in a computer system such as a set of computer executable instructions. Although the logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in the order in which it is in the order here.

[0068]Figure 5 A flow diagram of a method of constructing a quantum network in an embodiment of the present invention, such asFigure 5 As shown, including:

[0069]Step 501: Two long life energy stages of two or more long life levels are confirmed as an operational level and an auxiliary level;

[0070]In an e...

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Abstract

The invention discloses a method and a device for constructing a quantum network, and the quantum network, and the method comprises the steps: determining two long-life energy levels of an atom comprising more than two long-life energy levels as an operation energy level and an auxiliary energy level; constructing a quantum network according to the atoms at the operation energy level and the atoms at the auxiliary energy level, wherein the long-life energy levels comprise energy levels of which the energy level life is greater than the quantum operation duration of a first preset multiple, and each long-life energy level comprises more than two sub-energy levels used for encoding quantum information. According to the embodiment of the invention, the same atom with different long-life energy levels is used for constructing the quantum network, crosstalk in the process of realizing atom and photon entanglement is avoided, and technical support is provided for quantum calculation and application expansion of the quantum network.

Description

technical field [0001] This article involves but is not limited to quantum information technology, especially a method, device and quantum network for constructing a quantum network. Background technique [0002] Quantum networks are an important element in the field of quantum information. Quantum information is the interdisciplinary application of quantum mechanics and information theory. Using the principle of quantum entanglement, it can realize secure communication that is currently lacking in the field of classical information and quantum computing that surpasses classical computing capabilities. Quantum networks are mainly divided into two categories: one is quantum communication network, the main goal is to achieve secure communication. The second is the quantum computing network, which is one of the main ways to expand the quantum computing platform. Quantum computing has super computing power on some specific issues, so it has attracted much attention. However, t...

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Application Information

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IPC IPC(8): H04B10/70
CPCH04B10/70
Inventor 段路明杨蒿翔
Owner TSINGHUA UNIV
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