Random numbers can be classified as either pseudo- or physical-random, in character. Pseudo-random numbers are generated by definite periodicity, so, their usefulness in cryptographic applications is somewhat limited. On the other hand, naturally-generated physical-random numbers have no calculable periodicity, thereby making them ideal for the task. Diode lasers' considerable wideband noise gives them tremendous capacity for generating physical-random numbers, at a high rate of speed. We measured a diode laser's output with a fast photo detector, and evaluated the binary-numbers from the diode laser's frequency noise characteristics. We then identified and evaluated the binary-number-line's statistical properties. We also investigate the possibility that much faster physical-random number parallel-generation is possible, using separate outputs of different optical-path length and character, which we refer to as "coherence collapse".
内容記述
Physics and simulation of optoelectronic devices 20 : 23-26 January 2012 : San Francisco, California, United States : Jan 2012, San Francisco, CA
雑誌名
Proceedings of SPIE - the International Society for Optical Engineering
巻
8255
ページ
825521-1 - 825521-7
発行年
2012-02
出版者
International Society for Optical Engineering, SPIE
ISSN
0277786X
書誌レコードID
AA10619755
DOI
info:doi/10.1117/12.908011
権利
Copyright 2012 Society of Photo-Optical Instrumentation Engineers
Fast random-number generation using a diode laser's frequency noise characteristic
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