Physical random number generation system based on optical chaotic signal difference

The invention provides a physical random number generation system based on optical chaotic signal difference. The system comprises a chaotic generation module, an interference detection module, a sampling module, a coupling module, a time delay module, a first analog-to-digital conversion module, a second analog-to-digital conversion module, a difference module and an output module. The system isadvantaged in that a silicon-based photon micro cavity is utilized to generate chaotic, miniaturization and integration of a chaotic source device are effectively improved, stability of the chaotic source is guaranteed, a physical random number generation device is substantially simplified, and a physical random number generator is made to be more convenient and smarter. 本发明提供种基于光混沌信号差分的物理随机数发生系统，包括：混沌发生模块、干涉探测模块、采样模块、耦合模块、延时模块、第模数转换模块、第二模数转换模块、差分模块、输出模块；本发明的有益效果是本发明利用硅基光子微腔产生混沌，有效提高混沌源装置的小型化、集成化，保证了混沌源的稳定性。本发明极大地精简了随机数发生装置，使得随机数发生器更加便捷精巧。