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  4. Radu Ionicioiu

Radu Ionicioiu

DFT

3405 / 0214046249

r.ionicioiu@theory.nipne.ro

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43

Scientific Articles

32

Conferences

2

Books

.

Patents

  1. Interferometric Mass Spectrometry
    2. Radu Ionicioiu

    J. Am. Soc. Mass Spectrom. 34, 1160 (2023)

  2. Quantum communication networks with optical vortices
    3. S. Suciu, G.A. Bulzan, T.A. Isdraila, A.M. Palici, S. Ataman, C. Kusko, R. Ionicioiu

    Phys. Rev. A 108, 052612 (2023)

  3. SIC-POVM tomography in integrated photonics chips
    4. A.E. Dragomir, R. Ionicioiu

    Rom. Rep. Phys. 75, 409 (2023)

  4. Construction and characterization of a Sagnac-based entangled-photon source
    5. V.L. Dosan, A. Naziru, M. Mihailescu, R. Ionicioiu

    Rom. Rep. Phys. 74, 119 (2022)

  5. Interaction-free imaging of multi-pixel objects
    6. A.M. Palici, T.A. Isdraila, S. Ataman, R. Ionicioiu

    Phys. Rev. A 105, 013529 (2022)

  6. OAM tomography with Heisenberg-Weyl observables
    7. A.M. Palici, T.A. Isdraila, S. Ataman, R. Ionicioiu

    Quantum Sci. Technol. 5, 045004 (2020)

  7. Simulating integrated photonic gates using FDTD
    8. A.E. Dragomir, C.G. Ivan, R. Ionicioiu

    Quantum Science and Technology 5, 045021 (2020)

  8. Cyclic permutations for qudits in d dimensions
    9. T.A. Isdraila, C. Kusko, R. Ionicioiu

    Scientific Reports 9, 6337 (2019)

  9. Design of a novel integrated polarization beam splitter
    10. B. Calin, M. Zamfirescu, R. Ionicioiu, N. Puscas

    UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN-SERIES A, 80 237-250 (2018)

  10. Phase sensitivity of a Mach-Zehnder interferometer with single- intensity and difference-intensity detection
    11. S. Ataman, A. Preda, R. Ionicioiu

    Phys. Rev. A 98, 043856 (2018)

  11. Schrodinger cat: where does the entanglement come from?
    12. Radu Ionicioiu

    Quanta 6, 57 (2017)

  12. Sorting quantum systems efficiently
    13. R.Ionicioiu

    Scientific Reports 6, 25356 (2016)

  13. Determinism, Independence, and Objectivity are Incompatible
    14. R.Ionicioiu, R.B.Mann, D.R.Terno

    Phys.Rev.Lett. 114, 060405 (2015)

  14. Quantum information and quantum technologies
    15. R.Ionicioiu

    Rom. Rep. Phys. 67, 1300 (2015)

  15. Is wave-particle objectivity compatible with determinism and locality?
    16. Radu Ionicioiu, Thomas Jennewein, Robert B. Mann, Daniel R. Terno

    Nature Communications 5:4997 (2014)

  16. Quantum Control in Foundational Experiments
    17. Lucas C. Celeri, Rafael M. Gomes, Radu Ionicioiu, Thomas Jennewein, Robert B. Mann, Daniel R. Terno

    Foundations of Physics 44, 576-587 (2014)

  17. Encoding graphs into quantum states: an axiomatic approach
    18. R. Ionicioiu, T.P. Spiller

    Phys. Rev. A 85, 062313 (2012)

  18. Proposal for a quantum delayed-choice experiment
    19. R. Ionicioiu, D.R. Terno

    Phys. Rev. Lett. 107, 230406 (2011)

  19. Constructing 2D and 3D cluster states with photonic modules
    20. R. Ionicioiu, W.J. Munro

    Int. J. Quantum Information 8, 149 (2010)

  20. Generalized Toffoli gates using qudit catalysis
    21. R. Ionicioiu, T.P. Spiller, W.J. Munro

    Phys. Rev. A 80, 012312 (2009)

  21. Generalized parity measurements
    22. R. Ionicioiu, A.E. Popescu, W.J. Munro, T.P. Spiller

    Phys. Rev. A 78, 052326 (2008)

  22. Entangling spins by measuring charge: a parity-gate toolbox
    23. R. Ionicioiu

    Phys. Rev. A 75, 032339 (2007)

  23. Photonic module: An on-demand resource for photonic entanglement
    24. S.J. Devitt, A.D. Greentree, R. Ionicioiu, J.L. O’Brien, W.J. Munro, L.C.L. Hollenberg

    Phys. Rev. A 76, 052312 (2007)

  24. Quantum fidelity and quantum phase transitions in matrix product states
    25. M. Cozzini, R. Ionicioiu, P. Zanardi

    Phys. Rev. B 76, 104420 (2007)

  25. The parity gate: from quantum networks to entanglement generation
    26. R. Ionicioiu

    Int. J. Quantum Information 5, 3 (2007)

  26. Spintronic devices as quantum networks
    27. R. Ionicioiu

    Laser Physics 16, 1444 (2006), Special Issue on Quantum Information

  27. Bipartite entanglement and entropic boundary law in lattice spin systems
    28. A. Hamma, R. Ionicioiu, P. Zanardi

    Phys. Rev. A 71, 022315 (2005)

  28. Ground state entanglement and geometric entropy in the Kitaev’s model
    29. A.Hamma, R.Ionicioiu, P.Zanardi

    Phys. Lett. A 337, 22 (2005)

  29. Quantum entanglement in states generated by bilocal group algebras
    30. A. Hamma, R. Ionicioiu, P. Zanardi

    Phys. Rev. A 72, 012324 (2005)

  30. Single spin measurement using spin-orbital entanglement
    31. R.Ionicioiu, A.E.Popescu

    New J. Phys. 7, 120 (2005)

  31. All-electrical quantum computation with mobile spin qubits
    32. A.E. Popescu, R. Ionicioiu

    Phys. Rev. B 69, 245422 (2004)

  32. An interferometric spin-polarizing device
    33. R. Ionicioiu, I. D’Amico

    Semiconductor Science and Technology 19, S418 (2004)

  33. Mesoscopic Stern-Gerlach device to polarize spin currents
    34. R. Ionicioiu, I. D’Amico

    Phys. Rev. B 67, 041307(R) (2003)

  34. Quantum gates with topological phases
    35. R. Ionicioiu

    Phys. Rev. A 68, 034305 (2003)

  35. Entanglement of excitonic states and quantum information processing in semiconductors
    36. F. Rossi, E. Biolatti, R. C. Iotti, I. D’Amico, R. Ionicioiu, E. Pazy, and P. Zanardi

    Physica Status Solidi (a) 190, 817 (2002)

  36. Quantum information processing using semiconductor nanostructures
    37. P. Zanardi, I. D’Amico, R. Ionicioiu, E. Pazy, E. Biolatti, R. C. Iotti, and F. Rossi

    Physica B 314, 1 (2002)

  37. Quantum-information processing in bosonic lattices
    38. R. Ionicioiu, P. Zanardi

    Phys. Rev. A 66, 050301(R) (2002)

  38. Simulation of entangled electronic states in semiconductor quantum wires
    39. A. Bertoni, R. Ionicioiu, P. Zanardi, F. Rossi and C. Jacoboni

    Physica B 314, 10 (2002)

  39. Ultrafast quantum information processing in nanostructured semiconductors
    40. E. Biolatti, I. D’Amico, R. Ionicioiu, P. Zanardi, and F. Rossi

    Superlattices and Microstructures 31, 107 (2002)

  40. Quantum computation with ballistic electrons
    41. R. Ionicioiu, G. Amaratunga, and F. Udrea

    International Journal of Modern Physics B 15, 125 (2001)

  41. Testing Bell’s Inequality with ballistic electrons in semiconductors
    42. R. Ionicioiu, P. Zanardi, and F. Rossi

    Phys. Rev. A 63, 050101(R) (2001)

  42. Amplitudes for topology change in Turaev-Viro theory
    43. R. Ionicioiu

    Classical and Quantum Gravity 15, 1885 (1998)

  43. Lens spaces and handle bodies in three-dimensional quantum gravity
    44. R. Ionicioiu and R.M. Williams,

    Classical and Quantum Gravity 15, 3469 (1998)

  1. Cybersecurity: before and after the quantum apocalypse
    2. R.Ionicioiu

    BreaQ, Breaking the boundaries of quantum uncertainty, Bucharest, 15 November 2025 (2025)

  2. Einstein, Wheeler, Bohr: from classical to quantum delayed-choice
    3. R.Ionicioiu

    Quantum Mechanics, Physical and Metaphysical Issues, Bucharest, 6 May 2025 (2025)

  3. Introduction to quantum information and quantum technologies

    4. 3 lectures at ICTP-Magurele Summer School for Computing in a Rapidly Evolving Society, 10-11 July 2025 (2025)

  4. Quantum communications – cybersecurity in the quantum era
    5. R.Ionicioiu

    W.E. Heraeus School ”Frontiers in Quantum Science and Technology”, Bucharest, 6 July 2025 (2025)

  5. What is the Quantum Apocalypse and how to prevent it
    6. R.Ionicioiu

    Romanian Fiber Optic Conference 2025, Bucharest, 13 May 2025 (2025)

  6. Quantum technologies: turning a threat into an opportunity
    7. R.Ionicioiu

    The future of Quantum Technologies in Romania, INCDFM Workshop, 22 February 2024 (2024)

  7. The future is quantum: technologies for the 21st century
    8. R.Ionicioiu

    Sibiu Innovation Days 2024 (SID 2024), 25 October 2024 (2024)

  8. Cybersecurity in the quantum era
    9. R. Ionicioiu

    DefCamp 2023, Bucharest, 24 November 2023 (2023)

  9. Cybersecurity in the quantum era
    10. R. Ionicioiu

    QTSTRAT Conference, Babes-Bolyai University, Cluj-Napoca, 30 October 2023 (2023)

  10. The future is quantum: the future of quantum technologies in Europe
    11. R. Ionicioiu

    QTSTRAT Conference, Babes-Bolyai University, Cluj-Napoca, 31 October 2023 (2023)

  11. A universal quantum sorter
    12. R.Ionicioiu

    Quantum Eastern Europe, 5 May 2022 (online) (2022)

  12. Quantum magic: technologies for the 21st century
    13. R.Ionicioiu

    ATOM-N 2022 SPIE Conference, Constanta, 25 August 2022 (keynote) (2022)

  13. Romania in the quantum era
    14. R.Ionicioiu

    QTSTRAT Conference, Cluj-Napoca, 12 September 2022 (2022)

  14. RoQCI: Romanian QCI network
    15. R.Ionicioiu

    ESA ScyLight Conference, 9 June 2021 (2021)

  15. Space: the Quantum frontier
    16. R.Ionicioiu

    ESA Conference Big Data from Space BiDS 2021, 19 May 2021 (2021)

  16. An interactive experiment for testing Bell-CHSH inequality
    17. L.Dosan, M.Mihailescu, N.Tarba, R.Tudor, A.Lupascu, E.Scarlat, C.Negutu, R.Ionicioiu

    International Balkan Workshop Applied Physics IBWAP 2019 (2019)

  17. Generation and manipulation of optical vortices for free space optical communications
    18. C.Kusko, R.Tudor, M.Kusko, A.Avram, M.Mihailescu, R.Ionicioiu

    INTERPHOTONICS 2019, 2nd International Conference on Photonics Research (2019)

  18. Putting quantum into nanotechnology
    19. R.Ionicioiu

    EuroNanoForum 2019, Bucharest, 13 June 2019 (2019)

  19. Quantum technologies in Romania
    20. R.Ionicioiu

    2019 QUAPITAL Summer School, Bratislava, 30 Sept- 4 October 2019 (2019)

  20. Quantum technologies in Romania: a status report
    21. R.Ionicioiu

    ESA ScyLight Workshop, Bucharest, 5 June 2019 (2019)

  21. Simulation of integrated photonic gates
    22. A.Dragomit, C.Ivan, R.Ionicioiu

    OSA Conference Quantum Information and Measurement (QIM) V: Quantum Technologies (2019)

  22. From quantum paradoxes to quantum technologies
    23. Radu Ionicioiu

    CETAL Workshop, 17 July 2018 (2018)

  23. QUCODE: a robust encoder for alignment-free satellite QKD
    24. Radu Ionicioiu, Cristian Kusko, Mihai Kusko

    QuantERA launch event, Bucuresti Aprilie 2018 (2018)

  24. The future is Quantum
    25. Radu Ionicioiu

    TechFest Bucharest, 20 September 2018 (2018)

  25. Quantum technologies 2.0
    26. R.Ionicioiu

    Quantum Optics and Quantum Imaging Summer School, Bucharest, 4-6 July 2016 (2016)

  26. Quantum light: mysteries, paradoxes and future technologies
    27. R.Ionicioiu

    Lights of the World, IYL2015 Conference, Bucharest, 30 October 2015 (2015)

  27. A quantum delayed-choice experiment
    28. R. Ionicioiu

    Advanced many-body and statistical methods in mesoscopic systems, Brasov, 1-5 September 2014 (2014)

  28. Quantum technologies: launching the second quantum revolution
    29. R. Ionicioiu

    New Trends in Nanophysics, INFM Workshop, Bucharest, September 2013 (2013)

  29. A quantum delayed-choice gedanken experiment
    30. R. Ionicioiu

    APS March Meeting, Boston, March 2012 (2012)

  30. Entanglement, area law and group theory
    31. R. Ionicioiu, A. Hamma, and P. Zanardi

    Proceedings of the NATO ASI, Quantum Computation and Information QCI 2005, 2-13 May 2005, Chania, Crete, Greece (2005)

  31. Group theoretic methods, entanglement, area law
    32. A. Hamma, R. Ionicioiu, and P. Zanardi

    Proceedings of ERATO conference on Quantum Information Science (EQIS 2005), August 26-30, 2005, Tokyo (2005)

  32. Quantum computation with ballistic qubits
    33. R. Ionicioiu, G. Amaratunga, A. Popescu, and F. Udrea

    IEEE International Semiconductor Conference, CAS 2000 Proceedings, 10-14 October 2000, Sinaia, Romania (2000)

  1. Optica Cuantica- experimente, Editura Politehnica Press
    2. Mona MIHĂILESCU, Alexandru LUPAȘCU, Laurențiu V. DOSAN, Eugen SCARLAT, Constantin NEGUȚU, Victor C. PALEA, Mihaela A. UNGUREANU, Nicolae TARBĂ, Rebeca TUDOR, Ana M. SANDU; coordonator: Radu Ionicioiu

    2021

  2. Quantum mechanics: knocking at the gates of mathematical foundations, in Romanian Studies in Philosophy of Science, I. Parvu, G. Sandu and I.D. Toader (eds.), Springer Series: Boston Studies in the Philosophy and History of Science Vol. 313 (Springer Verlag), Monography, 2015, pp. 167-179
    3. R. Ionicioiu

    2015

  1. Photonic Quantum System Alignment Using Multiple Beams
    2. J.Duligall, T.Spiller, R.Ionicioiu, R.Beausoleil, D.Fattal

    US 8,774,638 B2 / 2012

  2. Beam Direction Sensor
    3. D.Fattal, R.Beausoleil, J.Duligall, R.Ionicioiu

    US 9,494,419 B2 / 2012

  3. QKD Transmitter and Transmission Method
    4. K.Harrison, W.Munro, T.Spiller, M.Tan, J.Duligall, R.Ionicioiu

    US 8,170,214 B2 / 2010

  4. QKD System Alignment
    5. J.Duligall, K.Harrison, W.Munro, T.Spiller, R.Ionicioiu

    US 2009/0310784 / 2009

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