Fast random number generation with spontaneous emission noise of a single-mode semiconductor laser
Fast random number generation with spontaneous emission noise of a single-mode semiconductor laser
复制标题
单模半导体激光器自发发射噪声的快速随机数生成
DOI：
10.1088/1054-660x/26/11/115002
复制
发表时间：
2016
期刊：
影响因子：
1.2
通讯作者：
Wang Yuncai
中科院分区：
文献类型：
--
作者：
Zhang Jianzhong;Zhang Mingjiang;Liu Yi;Li Pu;Yi Xiaogang;Zhang Mingtao;Wang Yuncai
通过测量单模半导体激光器的自发辐射噪声，我们在实验上演示了一个12.5 Gb s-1的随机数发生器。光的自发辐射在本质上是量子力学的，并且是真正随机性的天生物理熵源。通过高速模数转换器和离线处理相结合的方法，从自发辐射中提取出具有验证随机性的随机数。该发生器结构简单、鲁棒性强，且不需要精确调整比较阈值。半导体激光器的使用使其与光网络中的随机数传输特别兼容。
We experimentally demonstrate a 12.5 Gb s− 1 random number generator based on measuring the spontaneous emission noise of a single-mode semiconductor laser. The spontaneous emission of light is quantum mechanical in nature and is an inborn physical entropy source of true randomness. By combining a high-speed analog-to-digital converter and off-line processing, random numbers are extracted from the spontaneous emission with the verified randomness. The generator is simple, robust, and with no need of accurately tuning the comparison threshold. The use of semiconductor lasers makes it particularly compatible with the delivery of random numbers in optical networks.