All-optical true random number generator with Tbps-level code rate

Abstract

An all-optical true random number generator with a Tbps code rate comprises an all-optical true random number entropy source and an all-optical quantizer, wherein the all-optical true random number entropy source adopts an rational harmonic mode-locked Er-doped fiber ring laser, actually a ring-shaped cavity formed by a lithium niobate electro-optic modulator, an optical band pass filter I, an erbium-doped fiber amplifier, an opto-isolator and an optical coupler which are connected through fiber; and the all-optical quantizer is a quantum dot quarter wave phase-shift distributed feedback type laser. The generator provided by the invention solves the problems that the code rate is too low and untunable in the prior art, has a Tbps-level code rate, is in direct compatible with an optical network, and meets the safety requirements of modern high-speed secure communication.

Description

technical field [0001] The invention relates to an all-optical true random number generator, in particular to an all-optical true random number generator with ultra-high speed and tunable code rate, which is suitable for the fields of secure communication and cryptography. Background technique [0002] With the rapid development of computer technology and communication technology, information has become a very important wealth in today's society. The continuous development of the information society makes people's life closely related to the generation, reception, storage, processing and transmission of information. The combination of commerce, finance and the Internet, as well as the large-scale increase in the transmission rate of modern communications, pose a huge challenge to cryptography and information security. [0003] Random numbers have very important applications in the fields of modern secure communication and cryptography, and are the core components of hardwar...

AI Technical Summary

Problems solved by technology

[0010] The present invention provides a Tbps code rate all-optical true random number generator to solve the problems of low code rate and non-tunable code rate in the prior art, and increase the code rate of the true random number generator to the Tbps level , can fully meet the security needs of modern high-speed secure communication

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