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Error information transmission correction method based on topological quantum error correction code

A technology of error information and correction method, which is applied in the field of quantum computers, can solve the problems of decoherence transmission, error information transmission and correction without topological quantum error correction code, and inaccuracy, so as to improve security, easy detection and correction, and improve error The effect of the correction effect

Pending Publication Date: 2022-07-01
QINGDAO TECHNOLOGICAL UNIVERSITY
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Problems solved by technology

Overcome the effects of decoherence and inaccurate transmission of quantum information during transmission
However, there is currently no technology that applies topological quantum error-correcting codes to correct erroneous information transmission. In view of this, we propose a method for correcting erroneous information transmission based on topological quantum error-correcting codes

Method used

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  • Error information transmission correction method based on topological quantum error correction code
  • Error information transmission correction method based on topological quantum error correction code
  • Error information transmission correction method based on topological quantum error correction code

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Embodiment 1

[0069] like Figure 1-Figure 2 As shown, this embodiment provides an error information transmission correction method based on topological quantum error correction codes, including the following steps:

[0070] S1. Initialize quantum information, encode qubits, establish a stabilizer form, and topologically arrange qubits;

[0071] S2, using parity measurement to detect errors in quantum information transmission;

[0072] S3. Correct the error of quantum information transmission;

[0073] S4, using the double-layer convolutional neural network model to decode the information transmitted by the quantum information.

[0074] The communication protocol of this embodiment is mainly divided into four parts: the initialization phase, the error detection phase of quantum information transmission, the error correction phase of quantum information transmission, and the decoding information phase of quantum information transmission. Only bit flips and phase flips occur, and the corre...

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Abstract

The invention relates to the technical field of quantum computers, in particular to an error information transmission correction method based on topological quantum error correction codes. Comprising the steps of performing initialization processing on quantum information, detecting errors of quantum information transmission, correcting the errors of quantum information transmission, decoding information of quantum information transmission and the like. According to the design, error information is easy to detect and correct, and the information safety is improved; as long as a device for generating the quantum state is added, the symmetry, error detection measurement and correction of the code can be analyzed by using a stabilizer; the parity check measurement does not reveal any information of the coded quantum bit, so that the coding state of the quantum bit is kept unchanged; a double-layer convolutional neural network model is used in the adversarial network, an error correction chain with the best effect can be found, the error correction effect is improved, and the correctness of information communication is ensured; the whole scheme is relatively simple, required conditions and equipment are simple, and the method is easy to realize in practical application.

Description

technical field [0001] The invention relates to the technical field of quantum computers, in particular to a method for correcting error information transmission based on topological quantum error correction codes. Background technique [0002] Because quantum computers have computing power that far exceeds classical computers on some problems, quantum computers can provide fast solutions to certain computational problems that take exponential time on ordinary computers. However, qubits are easily affected by noise and lose their quantum properties. The coherent superposition of quantum states will gradually disappear over time, causing information to be affected and errors to occur. Therefore, ensuring that information is not destroyed in a quantum computer is to build a mature quantum computer. computer requirements [0003] The main challenge in building a quantum computer is that qubits are very fragile and susceptible to noise, allowing the physical qubits to cause bit...

Claims

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Application Information

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IPC IPC(8): G06N10/70
CPCG06N10/00
Inventor 王淑梅薛韵佳田艳兵马鸿洋邱田会王浩文
Owner QINGDAO TECHNOLOGICAL UNIVERSITY