The Polish National Science Centre project on\ ``Quantum engineering and quantum phase transitions\ in optical and low-dimensional condensed matter systems''

The Polish National Science Centre project on
"Quantum engineering and quantum phase transitions
in optical and low-dimensional condensed matter systems"

("Inżynieria kwantowa i kwantowe przejścia fazowe
w układach optycznych i niskowymiarowych układach materii skondensowanej")
Grant No. DEC-2011/03/B/ST2/01903
at the Physics Faculty of Adam Mickiewicz University (UAM), Poznań, Poland
Realization period: 2012.08.10-2015.08.10

1  Aims of the project

The main objectives of this project are two-fold: (i) analysis of quantum engineering of quantum optical and condensed matter states and devices directly relevant for quantum information related tasks (storage, information processing, metrology or quantum cryptography), and (ii) characterization of equilibrium and dynamic properties of fundamentally important interacting, exotic states of matter - in particular, topological phases (potential quantum memories) and phases of non-canonical fermion systems - that may be engineered in the near future in quantum simulators based on ultra cold atoms. Our research on quantum engineering refers to studying quantum statics and dynamics, coherent control of these quantum systems, including effects of quantum decoherence. The research proposed here covers a broad physical spectrum: from single atoms and photons to many-photon and many body systems. To be more specific, we would like to challenge the following tasks:
        Task A: QUANTUM ENGINEERING VIA LIGHT-MATTER INTERACTIONS
                                A.1 Coherent control of artificial atoms in optical cavities
                                A.2 Quantum-to-classical transitions of quantum correlations in two-level atoms
        Task B: QUANTUM ENGINEERING IN CONDENSED MATTER SYSTEMS
                                B.1 Quantum phase transitions in interacting exotic systems
                                B.2 Non-equilibrium dynamics in interacting exotic systems
                                B.3 Quantum information processing in quantum wells
        Task C: QUANTUM ENGINEERING IN PHOTONIC SYSTEMS
                                C.1 Generation of stationary and non-stationary nonclassical optical states
                                C.2 Photonic state-dependent quantum amplifiers
                                C.3 Quantum phase transitions and multifunctional quantum cloners

2  Researchers

Contractors of the project at Adam Mickiewicz University are the following:
Experiments will be performed in the Joint Laboratory of Optics of Palacky University, Olomouc, Czech Republic, by
Collaborators in Poland:
Collaborators in Europe:
Collaborators in Asia and USA:

3  Publications

  1. P. R. Grzybowski and R. W. Chhajlany:
    Hubbard-I approach to the Mott transition,
    Phys. Status Solidi B 249, 2231-2238 (2012).  (task: B.1)
  2. A. Miranowicz, P. Horodecki, R.W. Chhajlany, J. Tuziemski, J. Sperling:
    Analytical progress on symmetric geometric discord: Measurement-based upper bounds,
    Phys. Rev. A 86, 042123 (2012),  e-print arXiv:1209.2698 . (tasks: A.2,C.1)
  3. A. Miranowicz, M. Paprzycka, Y. X. Liu, J. Bajer, F. Nori:
    Two-photon and three-photon blockades in driven nonlinear systems,
    Phys. Rev. A 87, 023809 (2013),  e-print arXiv:1212.4365 . (tasks: A.1 and C.1)
  4. M. Bula, K. Bartkiewicz, A. Černoch, K. Lemr:
    Entanglement-assisted scheme for nondemolition detection of single-photon presence,
    Phys. Rev. A 87, 033826 (2013),  e-print arXiv:1212.5366 . (task: C.1)
  5. Ryszard Tanaś:
    Evolution of quantum correlations in a two-atom system,
    Phys. Scr. T153, 014059 (2013),  e-print arXiv:1210.5827  (task: A.2)
  6. A. Kowalewska-Kudłaszyk:
    Entanglement in a nonlinear coupler: the cross-action effect,
    Phys. Scr. T153, 014039 (2013).  (task: C.1)
  7. B. Horst, K. Bartkiewicz, A. Miranowicz:
    Two-qubit mixed states more entangled than pure states: Comparison of the relative entropy of entanglement for a given nonlocality,
    Phys. Rev. A 87, 042108 (2013),  e-print arXiv:1301.2969 . (task: C.1)
  8. K. Bartkiewicz, K. Lemr, A. Cernoch, J. Soubusta, A. Miranowicz:
    Experimental eavesdropping based on optimal quantum cloning,
    Phys. Rev. Lett. 110, 173601 (2013),  e-print arXiv:1206.0144 . (task: C.3)
  9. K. Bartkiewicz, K. Lemr, A. Černoch, J. Soubusta:
    Measuring nonclassical correlations of two-photon states,
    Phys. Rev. A 87, 062102 (2013),  e-print arXiv:1302.1221 . (task: C.1)
  10. K. Lemr, K. Bartkiewicz, A. Černoch, J. Soubusta:
    Resource-efficient linear-optical quantum router,
    Phys. Rev. A 87, 062333 (2013),  e-print arXiv:1304.5042 . (task: C.1)
  11. E. Meyer-Scott, M. Bula, K. Bartkiewicz, A. Černoch, J. Soubusta, T. Jennewein, K. Lemr:
    Entanglement-based linear-optical qubit amplifier,
    Phys. Rev. A 88, 012327 (2013),  e-print arXiv:1306.1342 . (task: C.2)
  12. X.B. Wang, Z.W. Yu, J.-Z. Hu, A. Miranowicz, F. Nori:
    Efficient tomography of quantum optical Gaussian processes probed with a few coherent states,
    Phys. Rev. A 88, 022101 (2013),  e-print arXiv:1304.6307 . (task: C.1)
  13. K. Bartkiewicz, K. Lemr, A. Miranowicz:
    Direct method for measuring of purity, superfidelity, and subfidelity of photonic two-qubit mixed states,
    Phys. Rev. A 88, 052104 (2013),  e-print arXiv:1308.5815 . (task: C.1)
  14. K. Bartkiewicz, B. Horst, K. Lemr, A. Miranowicz:
    Entanglement estimation from Bell inequality violation,
    Phys. Rev. A 88, 052105 (2013),  e-print arXiv:1306.6504 . (tasks: C.1,A.2)
  15. Lluc Garcia, Ravindra W. Chhajlany, Yong Li, Lian-Ao Wu:
    Driving a mechanical resonator in to coherent states via random measurements,
    J. Phys. A: Math. Theor. 46, 485305 (2013),  e-print arXiv:1305.0290 . (tasks: B2 and C.1)
  16. K. Bartkiewicz, A. Černoch, K. Lemr:
    State-dependent linear-optical qubit amplifier,
    Phys. Rev. A 88, 062304 (2013),  e-print arXiv:1309.4724 . (task: C.2)
  17. A. Miranowicz, M. Paprzycka, A. Pathak, F. Nori:
    Phase-space interference of states optically truncated by quantum scissors:
    Generation of distinct superpositions of qudit coherent states by displacement of vacuum,
    Phys. Rev. A 89, 033812 (2014),  e-print arXiv:1307.6950 . (task: C.1)
  18. Tomasz Sowiński, Ravindra W. Chhajlany:
    Mean-field approaches to the Bose-Hubbard model with three-body local interaction,
    Phys. Scr. T160, 014038 (2014).  (task: B.1)
  19. Anna Kowalewska-Kudłaszyk, Wiesław Leoński, Thi Dung Nguyen, Van Cao Long:
    Kicked nonlinear quantum scissors and entanglement generation,
    Phys. Scr. T160, 014023 (2014)  (task: C.1)
  20. Y.X. Liu, X.W. Xu, A. Miranowicz, F. Nori:
    From blockade to transparency: controllable photon transmission through a circuit QED system,
    Phys. Rev. A 89, 043818 (2014),  e-print arXiv:1203.6419v3 . (tasks: A.1 and C.1)
  21. Anna Kowalewska-Kudłaszyk, Wiesław Leoński:
    Nonlinear coupler operating on Werner-like states - entanglement creation, its enhancement, and preservation,
    J. Soc. Am. B 31, 1290 (2014).  (task: C.1)
  22. K. Bartkiewicz, A. Černoch, K. Lemr, J. Soubusta, M. Stobińska:
    Efficient Amplification of Photonic Qubits by Optimal Quantum Cloning,
    Phys. Rev. A 89, 062322 (2014) ; e-print arXiv:1310.1768 . (tasks: C.2,C.3)
  23. M. Bartkowiak, L.A. Wu, A. Miranowicz:
    Quantum circuits for amplification of Kerr nonlinearity via quadrature squeezing,
    J. Phys. B: At. Mol. Opt. Phys. 47, 145501 (2014) ; e-print arXiv:1210.2384 . (task: C.2)
  24. H. Wang, X. Gu, Y.X. Liu, A. Miranowicz, F. Nori:
    Optomechanical analog of two-color electromagnetically-induced transparency:
    Photon transmission through an optomechanical device with a two-level system,
    Phys. Rev. A 90, 023817 (2014),  e-print arXiv:1402.2764 . (tasks: A.1 and C.1)
  25. Karol Bartkiewicz, Antonín Černoch, Karel Lemr:
    Using quantum routers to implement quantum communications protocols,
    Phys. Rev. A 90, 022335 (2014),  e-print arXiv:1402.0256 . (task: C.1)
  26. A. Miranowicz, J. Bajer, M. Paprzycka, Y. X. Liu, A. M. Zagoskin, F. Nori:
    State-dependent photon blockade via quantum-reservoir engineering,
    Phys. Rev. A 90, 033831 (2014),  e-print arXiv:1407.5779 . (tasks: A.1 and C.1)
  27. Tobias Graß, Ravindra W. Chhajlany, Christine A. Muschik, Maciej Lewenstein:
    Spiral spin textures of a bosonic Mott insulator with SU(3) spin-orbit coupling,
    Phys. Rev. B 90, 195127 (2014),  e-print arXiv:1408.0769 . (task: B.1)
  28. Y. X. Liu, H. C. Sun, Z. H. Peng, A. Miranowicz, J. S. Tsai, F. Nori:
    Controllable microwave three-wave mixing via a single three-level superconducting quantum circuit,
    Scientific Reports 4, 7289 (2014),  e-print arXiv:1308.6409 . (task: A.1)
  29. A. Miranowicz, K. Bartkiewicz, J. Perina Jr., M. Koashi, N. Imoto, F. Nori:
    Optimal two-qubit tomography based on local and global measurements:
    Maximal robustness against errors as described by condition numbers,
    Phys. Rev. A. 90, 062123 (2014),  e-print arXiv:1409.4622 . (task: C.1)
  30. Grzegorz Chimczak:
    High fidelity state mapping performed in a V-type level structure via stimulated Raman transition,
    J. Phys. B: At. Mol. Opt. Phys. 48, 055502 (2015);  e-print arXiv:1401.0057  (2014). (task: A.1)
  31. K. Bartkiewicz, J. Beran, K. Lemr, M. Norek, A. Miranowicz:
    Quantifying entanglement of a two-qubit system via measurable and invariant
    moments of its partially transposed density matrix,
    Phys. Rev. A 91, 022323 (2015),  e-print arXiv:1411.7977 . (task: C.1)
  32. K. Bartkiewicz, P. Horodecki, K. Lemr, A. Miranowicz, and K. Zyczkowski:
    Method for universal detection of two-photon polarization entanglement,
    Phys. Rev. A 91, 032315 (2015),  e-print arXiv:1405.5560 . (task: C.1)
  33. I. I. Arkhipov, J. Perina Jr., J. Perina, and A. Miranowicz:
    Comparative study of nonclassicality, entanglement, and dimensionality of multimode noisy twin beams,
    Phys. Rev. A 91, 033837 (2015),  e-print arXiv:1501.05256 . (tasks: C.1 and C.2)
  34. A. Miranowicz, K. Bartkiewicz, A. Pathak, J. Perina Jr., Y. N. Chen, and F. Nori:
    Statistical mixtures of states can be more quantum than their superpositions:
    Comparison of nonclassicality measures for single-qubit states,
    Phys. Rev. A 91, 042309 (2015),  e-print arXiv:1502.04523 . (task: C.1)
  35. Tobias Grass, Christine Muschik, Alessio Celi, Ravindra Chhajlany, Maciej Lewenstein:
    Synthetic magnetic fluxes and topological order in one-dimensional spin systems,
    Phys. Rev. A 91, 063612 (2015); 
    Artificial magnetic fields in spin chains with long-range interactions - fractal energy spectra and topological phases,
    e-print arXiv:1412.6059 . (task: B.2)
  36. A. Miranowicz, S.K. Özdemir, J. Bajer, G. Yusa, N. Imoto, Y. Hirayama, F. Nori:
    Quantum state tomography of large nuclear spins in a semiconductor quantum well:
    Optimal robustness against errors as quantified by condition numbers,
    Phys. Rev. B 92, 075312 (2015),  e-print arXiv:1410.2440 . (tasks: B.3 and C.1)
  37. H. Wang, X. Gu, Y. X. Liu, A. Miranowicz, F. Nori:
    Tunable photon blockade in a hybrid system consisting of an optomechanical device coupled to a two-level system,
    Phys. Rev. A 92, 033806 (2015),  e-print arXiv:1506.03858 . (tasks: A.1 and C.1)
  38. T. A. Miller, R. W. Chhajlany, L. Tagliacozzo, B. Green, S. Kovalev, D. Prabhakaran, M. Lewenstein, M. Gensch, S. Wall:
    Terahertz field control of in-plane orbital order in La0.5Sr1.5MnO4,
    Nature Commun. 6, 8175 (2015)  (tasks: B.1 and B.2)

  39. T. Sowiński, R. W. Chhajlany, O. Dutta, L. Tagliacozzo, M. Lewenstein:
    Criticality in the Bose-Hubbard model with three-body repulsion,
    Phys. Rev. A 92, 043615 (2015);  e-print arXiv:1304.4835 . (task: B.1)

  40. K. Lemr, K. Bartkiewicz, and A. Černoch:
    Scheme for a linear-optical controlled-phase gate with programmable phase shift,
    J. Opt. 17, 125202 (2015);  e-print arXiv:1503.06187 . (task: C.1)

  41. A. Miranowicz, K. Bartkiewicz, N. Lambert, Y. N. Chen, F. Nori:
    Increasing relative nonclassicality quantified by standard entanglement potentials by dissipation and unbalanced beam splitting,
    Phys. Rev. A 92, 062314 (2015),  e-print arXiv:1507.08587 . (task: C.1)

  42. A. Miranowicz, J. Bajer, N. Lambert, Y.X. Liu, F. Nori:
    Tunable multiphonon blockade in coupled nanomechanical resonators,
    Phys. Rev. A 93, 013808 (2016),  e-print arXiv:1506.08622 . (tasks: A.1 and C.1)

  43. S. L. Chen, N. Lambert, C. M. Li, A. Miranowicz, Y. N. Chen, F. Nori:
    Quantifying Non-Markovianity with Temporal Steering,
    Phys. Rev. Lett. 116, 020503 (2016),  e-print arXiv:1503.00836 . (task: A.2)

  44. K. Bartkiewicz, A. Černoch, K. Lemr, A. Miranowicz:
    Priority Choice Experimental Two-qubit Tomography: Measuring One by One All Elements of Density Matrices,
    Scientific Reports 6, 19610 (2016),  doi:10.1038/srep19610, e-print arXiv:1506.01317 . (task: C.1)

  45. Ravindra W. Chhajlany, Przemysław R. Grzybowski, Julia Stasińska, Maciej Lewenstein, Omjyoti Dutta:
    Hidden String Order in a Hole Superconductor with Extended Correlated Hopping,
    Phys. Rev. Lett. 116, 225303 (2016),  e-print arXiv:1508.00404 . (task: B.1, B.2)

  46. K. Bartkiewicz, A. Cernoch, K. Lemr, A. Miranowicz, F. Nori:
    Temporal steering and security of quantum key distribution with mutually-unbiased bases against individual attacks,
    Phys. Rev. A 93, 62345 (2016).  e-print arXiv:1503.00612 . (task: C.3)

  47. Przemysław R. Grzybowski, Łukasz Czekaj, Mariusz Nogala, Adam Ścibior, Ravindra W. Chhajlany:
    Minimal energy ensemble Monte Carlo algorithm for the partition function of fermions coupled to classical fields,
    Phys. Rev. E 93 , 061301(R) (2016).  e-print arXiv:1508.01439 . (task: B.1)

    4  Preprint

  48. P. Tomczak, P. Jabłoński, M. Tomczak:
    Probing the Kosterlitz-Thouless transition in 1D Heisenberg antiferromagnet based on topological properties of its ground state,
    e-print arXiv:1509.07571 . (task: B.1)

5  Outreach and research results featured in the news

Our work [8] has been featured in:

6  Talks and posters in reverse chronological order

Note: an asterisk indicates the person, who presented a given talk or poster.
  1. K. Bartkiewicz*, A. Černoch, K. Lemr, A. Miranowicz: Priority choice two-qubit tomography, an invited talk at the 22th Central European Workshop on Quantum Optics (CEWQO 2015), July 8, 2015, Warsaw, Poland.
  2. Grzegorz Chimczak: Protocol for mapping of a V-type atom state onto cavity field state, a poster at the 22th Central European Workshop on Quantum Optics (CEWQO 2015), July 8, 2015, Warsaw, Poland.
  3. A. Kowalewska-Kudłaszyk*, W. Leoński and D. Thi Nguyen: Photon blockade effect and entanglement evolution in a kicked Kerr-type coupler model, a poster at the 22th Central European Workshop on Quantum Optics (CEWQO 2015), July 8, 2015, Warsaw, Poland.
  4. J. K. Kalaga*, W. Leoński, A. Kowalewska-Kudłaszyk: Recurrence plots and entropy for the Wigner-function nonclassicality evolution as witnesses of quantum chaotic dynamics of nonlinear Kerr-like oscillator model, a poster at the 22th Central European Workshop on Quantum Optics (CEWQO 2015), July 8, 2015, Warsaw, Poland.
  5. M. Paprzycka* and A. Miranowicz: State-dependent photon blockade via quantum-reservoir engineering, a poster at the 22th Central European Workshop on Quantum Optics (CEWQO 2015) in Warsaw (Poland), July 6-10, 2015.
  6. A. Černoch*, K. Bartkiewicz, K. Lemr, A. Miranowicz: Experimental comparison of several tomographic protocols, a poster at the 22th Central European Workshop on Quantum Optics (CEWQO 2015) in Warsaw (Poland), July 6-10, 2015.
  7. A.Kowalewska-Kudłaszyk*, W.Leoński, J.K.Kalaga: 2-qutrit entanglement in Kerr-type quantum scissors system, poster, 14th International Conference on Squeezed States and Uncertainty Relations, Gdańsk, Poland, 29.06-3.07.2015
  8. J.K.Kalaga*, A.Kowalewska-Kudłaszyk, and W.Leoński: Squeezing effects in a three-mode Kerr-like coupler, poster, 14th International Conference on Squeezed States and Uncertainty Relations, Gdańsk, Poland, 29.06-3.07.2015
  9. W.Leoński*, J.K.Kalaga, A.Kowalewska-Kudłaszyk and J.Perina Jr.: Quantum correlations in a three-qubit system of quantum nonlinear oscillators, oral presentation, 14th International Conference on Squeezed States and Uncertainty Relations, Gdańsk, Poland, 29.06-3.07.2015
  10. R. Chhajlany*, P. Grzybowski, J. Stasińska, M. Lewenstein, O. Dutta: Non-local order in a fermion system with correlated hopping, an invited talk at the Quantum Technologies Conference VI: Manipulating Photons, Atoms, and Molecules, June 21-27 (2015), Warszawa, Poland.
  11. A. Miranowicz*, K. Bartkiewicz, J. Perina Jr., M. Koashi, N. Imoto, F. Nori: Optimal state tomography, a talk at the 6th Symposium on Quantum Information in National Quantum Information Centre in Gdańsk (KCIK), Sopot, May 14–16, 2015.
  12. A. Miranowicz*, K. Bartkiewicz, J. Perina Jr., M. Koashi, N. Imoto, and F. Nori: Optimal two-qubit tomography, a talk at the CEMS RIKEN Symposium on Quantum Information, RIKEN, Wako-shi, Saitama, Japan, October 8, 2014.
  13. A. Miranowicz: Introduction to quantum cryptography, a talk by the invitation of Prof. Yueh-Nan Chen at the National Cheng Kung University, Tainan, Taiwan, September 22, 2014.
  14. A.Kowalewska-Kudłaszyk*, Entanglement creation, its decay and preservation for Kerr-type models", (invited talk), 19th Czech-Polish-Slovak Optical Conference 2014, Wojanów, Poland, 8.09-12.09 2014.
  15. D. Thi Nguyen, W. Leoński*, A.Kowalewska-Kudłaszyk, J.Perina Jr., V.Cao Long: Robust entanglement for a kicked Kerr-like coupler, poster, 19th Czech-Polish-Slovak Optical Conference 2014, Wojanów, Poland, 8.09-12.09 2014.
  16. A. Miranowicz*, J. Bajer, M. Paprzycka, Y. X. Liu, A. M. Zagoskin, and F. Nori: Photon blockade via quantum reservoir engineering, a talk at the CEMS RIKEN Symposium on Quantum Information, RIKEN, Wako-shi, Saitama, Japan, July 14-24, 2014.
  17. A. Kowalewska-Kudłaszyk* and W. Leoński: 2-qutrit entangled states in Kerr-like coupler - creation, evolution and distillablility, poster, 21st Central-European Workshop on Quantum Optics, Brussels, Belgium, 23.06-27.06.2014.
  18. J. K.Kalaga, A.Kowalewska-Kudlaszyk*, W.Leoński: Quantum correlations in a three-mode system of nonlinear quantum oscillators, poster, 21st Central-European Workshop on Quantum Optics, Brussels, Belgium, 23.06-27.06. 2014
  19. A. Cernoch*, K. Lemr, K. Bartkiewicz, and A. Miranowicz: Linear-optical Rabi oscillations simulator, poster at the 21th Central European Workshop on Quantum Optics (CEWQO-2014 ), Brussels, Belgium, June 23-27, 2014. [PDF] 
  20. Grzegorz Chimczak: Mapping of states of V-type atom-like structure onto cavity field state, a poster at the 21th Central European Workshop on Quantum Optics (CEWQO-2014 ), Brussels, Belgium, June 23-27, 2014.
  21. K. Bartkiewicz*, P. Horodecki, K. Lemr, A. Miranowicz, and K. Życzkowski: Universal detection of two-photon polarization entanglement, poster at the 21th Central European Workshop on Quantum Optics (CEWQO-2014 ), Brussels, Belgium, June 23-27, 2014. [PDF] 
  22. M. Paprzycka*, A. Miranowicz, A. Pathak, and F. Nori: Phase-space interference of states optically truncated by quantum scissors: Generation of distinct superpositions of qudit coherent states by displacement of vacuum, poster at the 21th Central European Workshop on Quantum Optics (CEWQO-2014 ), Brussels, Belgium, June 23-27, 2014. [PDF] 
  23. Piotr Tomczak: How do we measure bipartite entanglement for Heisenberg antiferromagnets?, an invited lecture, Physics om Magnetism 2014, June 23-27, Poznań.
  24. A. Sajna, R. Chhajlany*, P. Grzybowski, R. Micnas: Low temperature properties of the spin-1 Heisenberg antiferromagnet with nearest and next-nearest neighbour couplings and single ion anisotropy on the honeycomb lattice, a poster presented at the Conference on Quantum Matter, June 15-27 (2014), Benasque, Spain.
  25. A. Miranowicz*, S. K. A. Özdemir, J. Bajer, G. Yusa, N. Imoto, F. Nori, and Y. Hirayama: Quantum state tomography and information processing with large nuclear spins in nanometer-scale devices, a talk at the Regional Centre of Advanced Technologies and Materials, Palacký University, Olomouc, Czech Republic, December 5, 2013.
  26. R. Tanaś, Correlations in a two-atom system, a talk at the Third Poznań Symposium on "Quantum Engineering, Information, and Nonlinear Optics" (QEINO 2013 ), Poznań, Poland, October 15-17, 2013.
  27. B. Horst*, K. Bartkiewicz, and A. Miranowicz: Relative entropy of entanglement for fixed nonlocality: two-qubit mixed states superior to pure states, a poster at the Third Poznań Symposium on "Quantum Engineering, Information, and Nonlinear Optics" (QEINO 2013 ), Poznań, Poland, October 15-17, 2013.
  28. M. Paprzycka*, A. Miranowicz, Y.X. Liu, J. Bajer, and F. Nori: Two-photon blockade in a driven cavity with a qubit, a poster at the Third Poznań Symposium on "Quantum Engineering, Information, and Nonlinear Optics" (QEINO 2013 ), Poznań, Poland, October 15-17, 2013.
  29. T.D. Nguyen, W. Leoński*, A. Kowalewska-Kudłaszyk, J. Perina Jr., and V. Cao Long: Kerr-like coupler excited by a series of ultra-short external pulses as a source of entangled states, poster, Quantum Engineering, Information, and Nonlinear Optics, 15.10-17.10.2013, Poznań, Poland
  30. R. Tanaś, Quantum correlations in a two-atom system, an invited talk at the 6th Workshop on Current Problems in Physics: Zielona Góra-Lviv, Zielona Góra, Poland, September 23-25, 2013.
  31. A.Kowalewska-Kudłaszyk* and W.Leoński: Kerr coupler operating on Werner-like states - entanglement creation and evolution (oral presentation), a talk at the 6th Workshop on Current Problems in Physics: Zielona Góra-Lviv, Zielona Góra, Poland, September 23-25, 2013.
  32. Piotr Tomczak, Piotr Jabłoński: Loops in the ground state of the J-J' Heisenberg Antiferromagnet on square lattice, poster, Korelationstage 2013, 23-27 September 2013, Max Planck Institut, Dresden.
  33. B. Horst, K. Bartkiewicz*, A. Miranowicz: Two-qubit mixed states more entangled than pure states: Comparison of the relative entropy of entanglement for a given nonlocality, a poster at 13th International Conference on Squeezed States and Uncertainty Relations (ICSSUR 2013), Nuremberg, Germany, June 24-28, 2013.
  34. A. Kowalewska-Kudłaszyk, W. Leoński: Parametric process based NQS and entanglement evolution, a talk at 20th Central European Workshop on Quantum Optics (CEWQO 2013), Stockholm, Sweden, June 16-20, 2013. [Book of Abstracts] 
  35. M. Paprzycka*, A. Miranowicz, Y. Liu, J. Bajer, F. Nori: Multi-photon blockades in a pumped cavity with a qubit, a poster at 20th Central European Workshop on Quantum Optics (CEWQO 2013), Stockholm, Sweden, June 16-20, 2013. [Book of Abstracts] 
  36. B. Horst, K. Bartkiewicz*, A. Miranowicz: Two-qubit mixed states more entangled than pure states: Comparison of the relative entropy of entanglement for a given nonlocality, a poster at 20th Central European Workshop on Quantum Optics (CEWQO 2013), Stockholm, Sweden, June 16-20, 2013. [Book of Abstracts] 
  37. T.D. Nguyen, W.Leoński*, A.Kowalewska-Kudłaszyk, J.Perina Jr., V.Cao Long: Generacja stanów Bella dla wzbudzanego impulsowo sprzęgacza typu Kerra, poster, Polska Konferencja Optyczna, Sandomierz, Polska, 30.06-4.07. 2013
  38. Piotr Tomczak: Quantum Dimer Model on Sierpiński gasket lattice, poster, Flat Bands: Design, Topology, and Correlations 2013, 25-29 March, Max Planck Institut, Dresden.
  39. A. Miranowicz: Quantum entanglement: From paradoxes to some quantum-information applications, a talk by invitation of Prof. Gen Kimura at the Shibaura Institute of Technology, Omiya, Japan, 21 December 2012.
  40. K. Bartkiewicz*, K. Lemr, A. Černoch, J. Soubusta, A. Miranowicz: Experimental tunable qubit cloner, a poster at the Second Poznan Workshop on Quantum Engineering, Quantum Information, and Semi-Quantum Biology (QEIB 2012 ), Poznań, Poland, October 16-18, 2012.
  41. K. Bartkiewicz*, A. Miranowicz: Optimal cloning of axially symmetric qubit distributions on the Bloch sphere, a poster at the Second Poznan Workshop on Quantum Engineering, Quantum Information, and Semi-Quantum Biology (QEIB 2012 ), Poznań, Poland, October 16-18, 2012.
  42. M. Bartkowiak*, A. Miranowicz, X. Wang, Y.X. Liu, W. Leoński, and F. Nori: General occurrence of sudden vanishing of nonclassicality witnesses, a poster at the Second Poznan Workshop on Quantum Engineering, Quantum Information, and Semi-Quantum Biology (QEIB 2012 ), Poznań, Poland, October 16-18, 2012.
  43. M. Bartkowiak*, A. Miranowicz: Linear-optical implementations of entangling quantum gates using conventional detectors, a poster at the Second Poznan Workshop on Quantum Engineering, Quantum Information, and Semi-Quantum Biology (QEIB 2012 ), Poznań, Poland, October 16-18, 2012.
  44. B. Horst*, S. Ishizaka, A. Koper, and A. Miranowicz: Comparative study of measures of quantum correlations in two-qubit systems, a poster at the Second Poznan Workshop on Quantum Engineering, Quantum Information, and Semi-Quantum Biology (QEIB 2012 ), Poznań, Poland, October 16-18, 2012.
  45. M. Paprzycka*, A. Miranowicz: Phase-space description of quantum-to-classical transition of Schrödinger cats and kittens coupled to engineered environments, a poster at the Second Poznan Workshop on Quantum Engineering, Quantum Information, and Semi-Quantum Biology (QEIB 2012 ), Poznań, Poland, October 16-18, 2012.
  46. A. Kowalewska-Kudłaszyk: Entanglement deaths and revivals in Kerr-coupler dynamics (oral presentation), 18th Czech-Polish-Slovak Optical Conference 2012, Ostravice, Czech Republic, 3.09-7.09 2012.
  47. A. Kowalewska-Kudłaszyk: Kerr couplers as nonlinear quantum scissors - entanglement creation and decay (oral presentation), The Second Poznan Workshop on Quantum Engineering, Quantum Information, and Semi-Quantum Biology (QEIB 2012), Poznań, Poland, 16.10-18.10.2012.
  48. M. Paprzycka*, A. Miranowicz: Conditions for observation of nonclassical behavior of nanoscale mechanical membranes via phonon blockade, a poster at the Second Poznan Workshop on Quantum Engineering, Quantum Information, and Semi-Quantum Biology (QEIB 2012 ), Poznań, Poland, October 16-18, 2012.
  49. A. Miranowicz*, M. Bartkowiak, X. Wang, Y.X. Liu, F. Nori: How to detect quantumness and entanglement of multimode optical fields, invited talk at the 18 Czech-Polish-Slovak Optical Conference (CPSOC 2012 ), Ostravice, Czech Republic, September 3-7, 2012.
  50. M. Paprzycka* and A. Miranowicz: Quantum-to-classical transition of Schrödinger cats and kittens coupled to engineered environments, poster at the 18 Czech-Polish-Slovak Optical Conference (CPSOC 2012 ), Ostravice, Czech Republic, September 3-7, 2012.


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On 08 Aug 2016, 21:48.