Publication summary

60+ publications, 2K+ citations; WoS h-index: 22, see current status.

Selected publications in peer-reviewed journals

  1. M. B. Rota, F. Basso Basset, A. Laneve, F. Salusti, N. Claro-Rodriguez, G. Ronco, M. Beccaceci, T. M. Krieger, Q. Buchinger, S. F. Covre da Silva, S. Stroj, M. Gumberidze, V. Usenko, S. Höfling, T. Huber-Loyola, M. A. Usuga Castaneda, A. Rastelli, K. D. Jöns, and R. Trotta, Quantum key distribution with entanglement-swapped photons from a quantum emitter, Physical Review Research (accepted)

  2. M. Gumberidze and V. Usenko, Feasibility of entanglement-based QKD protocols with SPDC and quantum-dot sources, Optics Express 34 (15) 27264 (2026)

  3. A. A. E. Hajomer, A. Bomhals, C. Bruynsteen, A. Sidhique, O. Kovalenko, I. Derkach, V. C. Usenko, U. L. Andersen, X. Yin, and T. Gehring, Chip-based 16 GBaud continuous-variable quantum key distribution, Optica 13 (6) 1035 (2026)

  4. V. C. Usenko, A. Acín, R. Alléaume, U. L. Andersen, E. Diamanti, T. Gehring, A. A. E. Hajomer, F. Kanitschar, C. Pacher, S. Pirandola, and V. Pruneri, Continuous-variable quantum communication, Reviews of Modern Physics 98, 015003 (2026)

  5. A. A. E. Hajomer, A. N. Oruganti, I. Derkach, U. L. Andersen, V. C. Usenko, and T. Gehring, Finite-size security of continuous-variable quantum key distribution with imperfect heterodyne measurement, Photonics Research 14 (1), 99 (2026)

  6. A. A. E. Hajomer, I. Derkach, V. C. Usenko, U. L. Andersen, and T. Gehring, Coexistence of continuous-variable quantum key distribution and classical data over 120 km fiber, Physical Review Letters 135, 170804 (2025)

  7. V. C. Usenko, Shared-reference-frame-independent continuous-variable quantum key distribution, Optics Express 33 (11), 22643 (2025)

  8. H. Q. Nguyen, I. Derkach, A. A. E. Hajomer, H.-M. Chin, A. n. Oruganti, U. L Andersen, V. Usenko, and T. Gehring, Digital reconstruction of squeezed light for quantum information processing, npj Quantum Information 11 (1), 71 (2025)

  9. A. n. Oruganti, I. Derkach, R. Filip, and V. C. Usenko, Continuous-variable quantum key distribution with noisy squeezed states, Quantum Science and Technology 10 (2), 025023 (2025)

  10. A. A. E. Hajomer, I. Derkach, R. Filip, U. L. Andersen, V. C. Usenko, and T. Gehring, Continuous-variable quantum passive optical network, Light: Science & Applications 13, 291 (2024)

  11. M. Lasota, O. Kovalenko, and V. C. Usenko, Robustness of entanglement-based discrete- and continuous-variable quantum key distribution against channel noise, New Journal of Physics 25, 123003 (2023)

  12. V. C. Usenko, Redundancy and synergy of an entangling cloner in continuous-variable quantum communication, Entropy 24, 1501 (2022)

  13. A. Belenchia, M. Carlesso, O. Bayraktar, D. Dequal, I. Derkach, G. Gasbarri, W. Herr, Y. L. Li, M. Rademacher, J. Sidhu, D. K.L.Oi, S. T. Seidel, R. Kaltenbaek, C. Marquardt, H. Ulbrich, V. C.Usenko, L. Worner, A. Xuereb, M. Paternostro, and A. Bassi, Quantum physics in space, Physics Reports 951, 1 (2022)

  14. O. Kovalenko, Y.-S. Ra, Y. Cai, V. C. Usenko, C. Fabre, N. Treps, R. Filip, Frequency-multiplexed entanglement for continuous-variable quantum key distribution, Photonics Research 9, 2351 (2021)

  15. N. Jain, I. Derkach, H.-M. Chin, R. Filip, U. L. Andersen, V. C. Usenko, and T. Gehring, Modulation leakage vulnerability in continuous-variable quantum key distribution, Quantum Science and Technology 6, 045001 (2021)

  16. O. Kovalenko, V. C. Usenko, and R. Filip, Cross talk compensation in multimode continuous-variable entanglement distribution, Optics Express 29, 24083 (2021)

  17. I. Derkach, and V. C. Usenko, Applicability of Squeezed- and Coherent-State Continuous-Variable Quantum Key Distribution over Satellite Links, Entropy 23, 55 (2021)

  18. S. Pirandola, U. L. Andersen, L. Banchi, M. Berta, D. Bunandar, R. Colbeck, D. Englund, T. Gehring, C. Lupo, C. Ottaviani, J. L. Pereira, M. Razavi, J. Shamsul Shaari, M. Tomamichel, V. C. Usenko, G. Vallone, P. Villoresi, and P. Wallden, Advances in quantum cryptography, Advances in Optics and Photonics 12 - 4, 1012 (2020)

  19. I. Derkach, V. C. Usenko, and R. Filip, Squeezing-enhanced quantum key distribution over atmospheric channels, New Journal of Physics 22, 053006 (2020)

  20. 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 Journal of Physics 21, 123036 (2019)

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

  22. V. C. Usenko, C. Peuntinger, B. Heim, K. Gunthner, 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, Optics Express 26, 31106 (2018)

  23. V. C. Usenko, Unidimensional continuous-variable quantum key distribution using squeezed states, Physical Review A 98, 032321 (2018)

  24. 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)

  25. I. Derkach, V. C. Usenko, and R. Filip, Continuous-variable quantum key distribution with a leakage from state preparation, Physical Review A 96, 062309 (2017)

  26. M. Lasota, R. Filip, and V. C. Usenko, Sufficiency of quantum non-Gaussianity for discrete-variable quantum key distribution over noisy channels, Physical Review A 96, 012301 (2017)

  27. M. Lasota, R. Filip, and V. C. Usenko, Robustness of quantum key distribution with discrete and continuous variables to channel noise, Physical Review A 95, 062312 (2017)

  28. L. Ruppert, V. C. Usenko, and R. Filip, Estimation of the covariance matrix of macroscopic quantum states, Physical Review A 93 052114 (2016)

  29. 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)

  30. T. Sh. Iskhakov, V. C. Usenko, R. Filip, M. V. Chekhova, and G. Leuchs, Low-noise macroscopic twin beams, Physical Review A 93, 043849 (2016)

  31. I. Derkach, V. C. Usenko, and R. Filip, Preventing side-channel effects in continuous-variable quantum key distribution, Physical Review A 93, 032309 (2016)

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

  33. V. C. Usenko, F. Grosshans, Unidimensional continuous-variable quantum key distribution, Physical Review A 92, 062337 (2015)

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

  35. V. C. Usenko, L. Ruppert, and R. Filip, Entanglement-based continuous-variable quantum key distribution with multimode states and detectors, Physical Review A 90, 062326 (2014)

  36. L. Ruppert, V. C. Usenko, and R. Filip, Long-distance continuous-variable quantum key distribution with efficient channel estimation, Physical Review A 90, 062310 (2014)

  37. 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)

  38. 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 Journal of Physics 14 (9), 093048 (2012)

  39. V. C. Usenko, R. Filip, Squeezed-state quantum key distribution upon imperfect reconciliation, New Journal of Physics 13, 113007 (2011)

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

  41. 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)

  42. V. C. Usenko, M. G. A. Paris, Quantum communication with photon-number entangled states and realistic photodetection, Physics Letters A 374, 1342 (2010)

  43. V. C. Usenko, R. Filip, Feasibility of continuous-variable quantum key distribution with noisy coherent states, Physical Review A 81, 022318 (2010)

  44. 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)

  45. V. C. Usenko, M. G. A. Paris, Multiphoton communication in lossy channels with photon-number entangled states, Physical Review A 75, 043812 (2007)

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

  47. V. C. Usenko, B. I. Lev, Large alphabet quantum key distribution with two-mode coherently correlated beams, Physics Letters A 348/1-2, 17-23 (2005)