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Quantum computer

A quantum computer and quantum state technology, applied in the computer field, to achieve the effect of reducing hardware resource consumption and hardware cost

Active Publication Date: 2019-04-26
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is foreseeable that with the increase in the number of superconducting qubits, the hardware resources required by quantum computers will increase linearly, and the increase in hardware costs will become a bottleneck restricting the development of quantum computers.

Method used

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Embodiment Construction

[0040] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0041] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0042] figure 1 It is a structural block diagram of a quantum computer in an embodiment of the present invention, such as figure 1 As shown, it includes: a superconducting qubit array with a quasi-one-dimensional layout, a control circuit and a readout c...

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Abstract

The quantum computer comprises a quasi-one-dimensional layout superconducting quantum bit array, a control circuit and a reading circuit, The superconducting quantum bit array comprises two or more than two net-shaped units which are arranged in a net chain shape. The control circuit is coupled with the superconducting quantum bits through a microwave transmission line and used for controlling thesuperconducting quantum bits in a preset mode; And the reading circuit is coupled to one path of microwave signal line by a coplanar superconducting microwave resonant cavity for reading, is connected with an external circuit, and is used for reading the quantum state of the superconducting quantum bit by adopting a frequency division multiplexing mode. According to the embodiment of the invention, the hardware resource consumption of the quantum computer is reduced.

Description

technical field [0001] This article involves but is not limited to computer technology, especially a quantum computer. Background technique [0002] A quantum computer is a device that uses quantum logic to perform general-purpose computing. Compared with traditional computers, quantum computers can greatly improve the computational efficiency when solving some specific problems, so they have attracted widespread attention. Superconducting quantum chips can use existing semiconductor process technology to achieve large-scale integration. At the same time, superconducting qubits have shown better performance than other quantum computing in key indicators such as interaction control, selective operation, and error correction. The superior performance of the physical system is one of the most promising platforms for realizing quantum computers. [0003] Generally speaking, quantum computers mainly include superconducting quantum chips and hardware systems for chip control and...

Claims

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Application Information

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IPC IPC(8): G06N10/00
Inventor 段路明宋祎璞张宏毅
Owner TSINGHUA UNIV
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