@inproceedings{oai:niigata-u.repo.nii.ac.jp:00031024,
 author = {Takamori, Hiroki and Doi, Kohei and Maehara, Shinya and Kawakami, Kohei and Sato, Takashi and Ohkawa, Masashi and Ohdaira, Yasuo and Sakamoto, Shuichi},
 book = {Proceedings of SPIE - the International Society for Optical Engineering, Proceedings of SPIE - the International Society for Optical Engineering},
 month = {Feb},
 note = {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"., Physics and simulation of optoelectronic devices 20 : 23-26 January 2012 : San Francisco, California, United States : Jan 2012, San Francisco, CA},
 pages = {825521-1--825521-7},
 publisher = {International Society for Optical Engineering, SPIE},
 title = {Fast random-number generation using a diode laser's frequency noise characteristic},
 volume = {8255},
 year = {2012}
}