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Quantum random number generation device and method

A technology of quantum random number and generating device, which is applied in the field of random number source, can solve the problems of low rate of random number generation and poor anti-interference ability, and achieve the effect of eliminating bias error, reducing components, and increasing generation rate

Active Publication Date: 2020-08-21
QUDOOR TECH INC
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AI Technical Summary

Problems solved by technology

Although the quantum random number generator of the prior art can generate quantum random numbers, the rate of generating random numbers is low and the anti-interference ability is poor

Method used

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  • Quantum random number generation device and method
  • Quantum random number generation device and method
  • Quantum random number generation device and method

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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039]In the following detailed description, reference is made to the accompanying drawings which are included in the specification and which illustrate specific embodiments of the application and which are included in this application. In the drawings, like reference numerals describe substantially similar components in different views. Var...

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Abstract

The invention discloses a quantum random number generation device and method. The quantum random number generation device comprises a pulse laser unit which emits pulse light with a random phase and aperiod of T; a light intensity stabilizing unit, receiving the pulsed light and outputs a first light signal with a stable light intensity value; an interferometer, used for receiving the first optical signal, carrying out interference and outputting a third optical signal or / and a fourth optical signal; a photoelectric detection unit, used for receiving the third optical signal or / and the fourthoptical signal, carrying out photoelectric detection and outputting a quantum random number electric signal; and an analog data acquisition and digital conversion unit, used for receiving the quantumrandom number electric signal, sampling and outputting an initial quantum random number. The interferometer can be an MZ interferometer, and the photoelectric detection unit can be a balance homodynedetector. Quantum random numbers generated by the quantum random number generation device have excellent randomness, and the random number generation rate is high.

Description

technical field [0001] The invention relates to the technical field of random number sources, in particular to a quantum random number generating device and method. Background technique [0002] Random numbers play an important role in various fields such as economy, science, national defense, and industrial production. There are many occasions where random numbers are used in modern society. Traditional random number methods can only generate pseudo-random numbers. With the development of computer technology, pseudo-random numbers can be predicted, so absolute security cannot be guaranteed. According to the randomness of physical processes, for example, the noise of electronic components, nuclear fission cosmic noise, thermal noise of circuits, radioactive decay, etc. can also be used to generate random numbers. While such random numbers do not increase in risk as computing power develops, their randomness is not inherently guaranteed. In some specific occasions, such a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F7/58G06N10/00
CPCG06F7/588G06N10/00
Inventor 陈柳平王其兵万相奎范永胜
Owner QUDOOR TECH INC
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