Alyona Ivanova

Alyona Ivanova
ITMO University | SPbNRU ITMO · Department of Photonics and Optical Information Technology

About

12
Publications
1,222
Reads
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117
Citations
Citations since 2017
6 Research Items
108 Citations
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20172018201920202021202220230510152025
20172018201920202021202220230510152025
20172018201920202021202220230510152025
Introduction
Alena Ivanova currently works at the Department of Photonics and Optical Information Technology, ITMO University. Alena does research in Quantum Physics and Optics. Most recent publication is 'Quantum random number generator based on quantum nature of vacuum fluctuations'.

Publications

Publications (12)
Article
Full-text available
We present an optical quantum random number generator based on vacuum fluctuation measurements that uses multi-mode coherent states generated by electro-optical phase modulation of an intense optical carrier. In this approach the weak coherent multi-mode state (or a vacuum state) interferes with the carrier, which acts as a local oscillator, on eac...
Preprint
We present an optical quantum random number generator based on vacuum fluctuation measurements that uses multi-mode coherent states generated by electro-optical phase modulation of an intense optical carrier. In this approach the weak coherent multi-mode state (or a vacuum state) interferes with the carrier, which acts as a local oscillator, on eac...
Article
Full-text available
Quantum random number generator (QRNG) allows obtaining true random bit sequences. In QRNG based on quantum nature of vacuum, optical beam splitter with two inputs and two outputs is normally used. We compare mathematical descriptions of spatial beam splitter and fiber Y-splitter in the quantum model for QRNG, based on homodyne detection. These des...
Article
Full-text available
In this paper mathematical description of using of fiber Y-splitter and optical splitter with two input and two output ports in quantum random number generation systems were obtained.
Article
A quantum key distribution system based on the subcarrier wave modulation method has been demonstrated which employs the BB84 protocol with a strong reference to generate secure bits at a rate of 16.5 kbit/s with an error of 0.5% over an optical channel of 10 dB loss, and 18 bits/s with an error of 0.75% over 25 dB of channel loss. To the best of o...
Article
Full-text available
Quantum random number generation allows the obtaining of true random numbers that can be used for applications (e.g.,a cryptography) requiring a high degree of randomness. In this paper, we give a mathematical description of a quantum random number generation system using homodyne detection. As a result of the theoretical research, we obtained the...
Article
Full-text available
Quantum random number generation allows acquiring true random numbers which can be used in applications that require a high degree of randomness. This paper assesses the influence of non-ideal scheme parameters on measurement results in two quantum random number generation schemes: based on laser radiation splitting, and using vacuum fluctuations.
Article
Quantum generation of random numbers makes it possible to obtain truly random numbers that can be used in applications where a high degree of randomness is needed. This paper presents an estimate of how the nonideal nature of the setup parameters affects the results of measurements carried out for two quantum random-number generators: one based on...

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