Journal ArticleDOI
High-speed quantum random number generation by measuring phase noise of a single-mode laser.
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A high-speed random number generation scheme based on measuring the quantum phase noise of a single-mode laser operating at a low intensity level near the lasing threshold is presented and the generated random numbers have passed all the DIEHARD tests.Abstract:
We present a high-speed random number generation scheme based on measuring the quantum phase noise of a single-mode laser operating at a low intensity level near the lasing threshold A delayed self-heterodyning system has been developed to measure the random phase fluctuation By actively stabilizing the phase of the interferometer, a random number generation rate of 500 Mbit/s has been demonstrated and the generated random numbers have passed all the DIEHARD testsread more
Citations
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Secure quantum key distribution
TL;DR: An overview is given of the state-of-the-art research into secure communication based on quantum cryptography, together with its assumptions, strengths and weaknesses.
Journal ArticleDOI
Quantum random number generators
TL;DR: This review discusses the current status of devices that generate quantum random numbers, and discusses the most fundamental processes based on elementary quantum mechanical processes.
Journal ArticleDOI
Quantum random number generation
TL;DR: Self-testing quantum random number generators (QRNGs) are studied, in which verifiable randomness can be generated without trusting the actual implementation, and an intermediate category is self-testing QRNG, which provides a tradeoff between the trustworthiness on the device and the random number generation speed.
Journal ArticleDOI
Fast physical random number generator using amplified spontaneous emission
TL;DR: A 12.5 Gb/s physical random number generator that uses high-speed threshold detection of the spectrally-sliced incoherent light produced by a fiber amplifier to generate a large-amplitude, easily measured, fluctuating signal with bandwidth that is constrained only by the optical filter and electrical detector used.
Journal ArticleDOI
Implementation of 140 Gb/s true random bit generator based on a chaotic photonic integrated circuit.
TL;DR: A photonic integrated circuit that emits broadband chaotic signals is employed for ultra-fast generation of true random bit sequences, and the extreme robustness of the random bit generator for adaptive bit-rate operation and for various operating conditions of the PIC is demonstrated.
References
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Theory of the linewidth of semiconductor lasers
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Fast physical random bit generation with chaotic semiconductor lasers
Atsushi Uchida,Atsushi Uchida,Kazuya Amano,Masaki Inoue,Kunihito Hirano,Sunao Naito,Hiroyuki Someya,Isao Oowada,Takayuki Kurashige,Masaru Shiki,Shigeru Yoshimori,Kazuyuki Yoshimura,Peter Davis +12 more
TL;DR: It is shown that good quality random bit sequences can be generated at very fast bit rates using physical chaos in semiconductor lasers, which means that the performance of random number generators can be greatly improved by using chaotic laser devices as physical entropy sources.
Journal ArticleDOI
A fast and compact quantum random number generator
TL;DR: In this article, a beam splitter was used to generate a binary random signal with an autocorrelation time of 11.8 ns and a continuous stream of random numbers at a rate of 1 Mbit/s.