h-index: 10; publications > 35; citations > 400; current status:

Selected publications in peer-reviewed journals since 2005

2019

L. Ruppert, C. Peuntinger, B. Heim, K. Günthner, V. C. Usenko, D. Elser, G. Leuchs, R. Filip, and C. Marquardt, Fading channel estimation for free-space continuous-variable secure quantum communication, New J. Phys. 21, 123036 (2019)
[journal]

O. Kovalenko, K. Yu. Spasibko, M. V. Chekhova, V. C. Usenko, and R. Filip, Feasibility of quantum key distribution with macroscopically bright coherent light, Opt. Express 27, 36154 (2019)
[journal]

V. C. Usenko, I. Derkach, and R. Filip, Role of Signal Squeezing in Continuous-Variable Quantum Key Distribution Over Fluctuating Channels, IEEE proceedings of the 42nd International Conference on Telecommunications and Signal Processing (TSP), p. 389 (2019)
[journal]

2018

V. C. Usenko, C. Peuntinger, B. Heim, K. Günthner, I. Derkach, D. Elser, C. Marquardt, R. Filip, and G. Leuchs, Stabilization of transmittance fluctuations caused by beam wandering in continuous-variable quantum communication over free-space atmospheric channels, Opt. Express 26, 31106 (2018)
[pdf][journal]

V. C. Usenko, Unidimensional continuous-variable quantum key distribution using squeezed states, Phys. Rev. A 98, 032321 (2018)
[pdf][journal]

V. C. Usenko, O. Kovalenko, and R. Filip, Compensating the Cross-Talk in Two-Mode Continuous-Variable Quantum Communication, IEEE proceedings of the 41st International Conference on Telecommunications and Signal Processing (TSP), 1 (2018)
[journal]

Ch. S. Jacobsen, L. S. Madsen, V. C. Usenko, R. Filip, and U. L. Andersen, Complete elimination of information leakage in continuous-variable quantum communication channels, npj Quantum Information 4, 32 (2018)
[pdf][journal]

2017

I. Derkach, V. C. Usenko, and R. Filip, Continuous-variable quantum key distribution with a leakage from state preparation, Phys. Rev. A 96, 062309 (2017)
[pdf][journal]

M. Lasota, R. Filip, and V. C. Usenko, Sufficiency of quantum non-Gaussianity for discrete-variable quantum key distribution over noisy channels, Phys. Rev. A 96, 012301 (2017) [pdf][journal]

M. Lasota, R. Filip, and V. C. Usenko, Robustness of quantum key distribution with discrete and continuous variables to channel noise, Phys. Rev. A 95, 062312 (2017) [pdf][journal]

2016

V. C. Usenko, M. Lasota, and R. Filip, Continuous-and discrete-variable quantum key distribution with nonclassical light over noisy channels, IEEE proceedings of the 39th International Conference on Telecommunications and Signal Processing (TSP), 753 (2016) [journal]

L. Ruppert, V. C. Usenko, and R. Filip, Estimation of the covariance matrix of macroscopic quantum states, Phys. Rev. A 93 052114 (2016)
[pdf][journal]

T. Sh. Iskhakov, V. C. Usenko, U. L. Andersen, R. Filip, M. V. Chekhova, and G. Leuchs, Heralded source of bright multi-mode mesoscopic sub-Poissonian light, Optics Letters 41 10, 2149 (2016)
[pdf][journal]

T. Sh. Iskhakov, V. C. Usenko, R. Filip, M. V. Chekhova, and G. Leuchs, Low-noise macroscopic twin beams, Phys. Rev. A 93, 043849 (2016)
[pdf][journal]

I. Derkach, V. C. Usenko, and R. Filip, Preventing side-channel effects in continuous-variable quantum key distribution, Phys. Rev. A 93, 032309 (2016)
[pdf][journal]

V. C. Usenko, R. Filip, Trusted Noise in Continuous-Variable Quantum Key Distribution: A Threat and a Defense, Entropy 18, 20 (2016)
[pdf][journal]

2015

V. C. Usenko, F. Grosshans, Unidimensional continuous-variable quantum key distribution, Phys. Rev. A 92, 062337 (2015)
[pdf][journal]

V. C. Usenko, L. Ruppert, and R. Filip, Quantum communication with macroscopically bright nonclassical states, Optics Express 23 (24), 31534 (2015)
[pdf][journal]

2014

V. C. Usenko, L. Ruppert, and R. Filip, Entanglement-based continuous-variable quantum key distribution with multimode states and detectors, Phys. Rev. A 90, 062326 (2014)
[pdf][journal]

L. Ruppert, V. C. Usenko, and R. Filip, Long-distance continuous-variable quantum key distribution with efficient channel estimation, Phys. Rev. A 90, 062310 (2014)
[pdf][journal]

2012

L. S. Madsen, V. C. Usenko, M. Lassen, R. Filip, U. L. Andersen, Continuous variable quantum key distribution with modulated entangled states, Nature Communications 3, 1083 (2012)[pdf][journal]

V. C. Usenko, B. Heim, C. Peuntinger, C. Wittmann, C. Marquardt, G. Leuchs, R. Filip, Entanglement of Gaussian states and the applicability to quantum key distribution over fading channels, New J. Phys. 14 (9), 093048 (2012)
[pdf][journal]

V. C. Usenko, R. Filip, Towards long-distance continuous-variable quantum key distribution enforced by nonclassicality, SPIE Security+ Defence, 85421L-85421L-7 (2012)
[journal]

2011

V. C. Usenko, R. Filip, Squeezed-state quantum key distribution upon imperfect reconciliation, New J. Phys. 13, 113007 (2011)
[pdf][journal]

V. C. Usenko, R. Filip, Classical correlations can enhance the continuous-variable quantum key distribution, Optics and Spectroscopy 111/5, 673 (2011) [journal]

2010

V. C. Usenko, R. Filip, Tolerance of continuous-variables quantum key distribution to the noise in state preparation, Optics and Spectroscopy 108/3, 331 (2010) [journal]

V. C. Usenko, M. G. A. Paris, Quantum communication with photon-number entangled states and realistic photodetection, Phys. Lett. A 374, 1342 (2010)
[pdf][journal]

V. C. Usenko, R. Filip, Feasibility of continuous-variable quantum key distribution with noisy coherent states, Phys. Rev. A 81, 022318 (2010)
[pdf][journal]

V. C. Usenko, R. Filip, Trusted Noise in Continuous-Variable Quantum Key Distribution, in "Quantum Cryptography and Computing: Theory and Implementation", ed. by R. Horodecki, S.Y. Kilin, J. Kowalik, IOS Press, ISBN 1607505460, pp. 99-108 (2010)
[book]

2009

O. O. Gurin, V. C. Usenko, C. V. Usenko, A Model of Generation of Photon-number Entangled States with Stimulated Parametric down Conversion, Ukr. J. Phys. 54, 523-526 (2009)
[journal]

2007

V. C. Usenko, M. G. A. Paris, Multiphoton communication in lossy channels with photon-number entangled states, Phys. Rev. A 75, 043812 (2007)
[pdf]
[journal]

V. C. Usenko, M. G. A. Paris, Bit threshold optimization for multiphoton communication in lossy channels, Optics and Spectroscopy 103/1, 76 (2007) [journal]

2006

A. A. Semenov, V. C. Usenko, E. V. Shchukin, B. I. Lev, Nonclassicality of quantum states and its application in quantum cryptography, Ukr. J. Phys-Reviews 3/2, 151-194 (2006)

2005

V. C. Usenko, B. I. Lev, Large alphabet quantum key distribution with two-mode coherently correlated beams, Phys. Lett. A. 348/1-2, 17-23 (2005)
[pdf][journal]

V. C. Usenko, C. V. Usenko, Secure quantum channels with correlated twin laser beams, Optics and Spectroscopy 99/2, 185 // Virt. J. of Quant. Inf., 5-10 / CRYPTOGRAPHY (2005)
[pdf][journal]