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Fast quantum randomness generation from vacuum fluctuation induced phase diffusion between pulses of laser diode
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Paper Abstract

In this paper, the prototype of quantum random number generator (QRNG) which is shown by extracting ran- domness from vacuum fluctuation of the electromagnetic field inside the laser cavity. A distributed feedback (DFB) laser diode (LD) is directly modulated to produce short optical pulses. The laser is operated far above and far below the threshold resulting in field of pulse which has a true random phase. The efficient conversion of vacuum fluctuations to random sequence of power of optical pulses is made by homemade Michelson interferom- eter. A proposed device has proven to have far more superior interferometric visibility coupled with high power making it also a cost-effective PIN diode detector as compared to QRNGs based on phase fluctuation modu- lated by constant current. As a result a proposed device is highly integrated using only commercially available components. Due to appropriate realization of our device, we have a good quality of raw random bits that have passed all tests without postprocessing. So the postprocessing doesn't significantly decrease the speed of output random bits. In fact, we have successfully demonstrated a prototype of high speed QRNG at a generation rate of over 1 Gbps.

Paper Details

Date Published: 15 March 2019
PDF: 6 pages
Proc. SPIE 11022, International Conference on Micro- and Nano-Electronics 2018, 110222W (15 March 2019); doi: 10.1117/12.2522431
Show Author Affiliations
Violetta Sharoglazova, Russian Quantum Ctr. (Russian Federation)
QRate (Russian Federation)
National Research Nuclear Univ. MEPhI (Russian Federation)
Roman Ermakov, Russian Quantum Ctr. (Russian Federation)
QRate (Russian Federation)
Anton Losev, Russian Quantum Ctr. (Russian Federation)
QRate (Russian Federation)
Vladimir Zavodilenko, Russian Quantum Ctr. (Russian Federation)
Vladimir Kurochkin, Russian Quantum Ctr. (Russian Federation)
QRate (Russian Federation)
Yuriy Kurochkin, Russian Quantum Ctr. (Russian Federation)
QRate (Russian Federation)


Published in SPIE Proceedings Vol. 11022:
International Conference on Micro- and Nano-Electronics 2018
Vladimir F. Lukichev; Konstantin V. Rudenko, Editor(s)

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