• Home
  • Objectives
  • Team
  • Publications
  • Talks
  • Meetings
    • Escola de Verão SQIG-IT/DM-IST
    • Workshop Aveiro 2010
  • Visitors
  • Positions
  • Sponsors
  • News
  • Contact
QuantPrivTel: Quantum Private Telecommunications
FCT project at IT, 2010-2013

Theory Articles

  1. S. Zheng, D. Qiu, L. Li , J. Gruska, "One-way finite automata with quantum and classical states", to appear in Lecture Notes in Computer Science (2012).
  2. N. Paunkovic, J. Bouda, P. Mateus, "Fair and optimistic quantum contract signing", Physical Review A 84, 062331 (2011).
  3. J. Nascimento, P. Mateus, "Statistical model for a quantum noiseless subsystem", Optics Communications, 284, 1451-1456 (2011).
  4. H. Situ, D. Qiu, "Investigating the implementation of restricted sets of multiqubit operations on distant qubits: a communication complexity perspective",  Quantum Information Processing 10, 609-618 (2011).
  5. D. Qiu, L. Li, X. Zou, P. Mateus, J. Gruska, "Multi-letter quantum finite automata: Decidability of the equivalence and minimization of states", Acta Informatica, 48, 271-290 (2011).
  6. Y. Long, D. Qiu, and D. Long, "An efficient separability criterion for n-partite arbitrarly dimensional quantum states", International Journal of Quantum Information 9, 1101-1112 (2011).
  7. P. D. Sacramento, N. Paunkovic, and V. R. Vieira, "Fidelity spectrum and phase transition of quantum systems, Physical Review A 84, 062318 (2011).
  8. X. Zou and D. Qiu, Reply to comment on "Semiquantum-key distribution using less than four quantum states", Physical Review A 83, 04630 (2011).
  9. D. Henriques, M. Biscaia, P. Baltazar, P. Mateus, "Decidability and complexity for omega-regular properties of stochastic systems", Logic Journal of the IGPL, in print.
  10. L. Li, D. Qiu, X. Zou, L. Lvjun, L. Wu, P. Mateus, "Characterizations of one-way general quantum finite automata", Theoretical Computer Science, in print.
  11. S. Zheng, D. Qiu, "Some Languages Recognized by two-way Finite Automata with Quantum and Classical States", International Journal of Foundations of Computer Science (2011).
  12. F. M. Assis, P. Mateus, Y. Omar, Improving Classical Authentication with Quantum Communication, submitted for publication (2011).
  13. P. Mateus, D. Qiu and L. Li, On the complexity of minimizing probabilistic and quantum automata, submitted for publication (2011).
  14. J. C. do Nascimento, P. Mateus, Statistical model for a quantum noiseless subsystem, Optics Communications, Vol. 284, Issue 5, 1451-1456 (2011).
  15. G. Cordourier-Maruri, F. Ciccarello, Y. Omar, M. Zarcone, R. de Coss, S. Bose, Implementing quantum gates through scattering between a static and a flying qubit, Phys. Rev. A 82, 052313 (2010). Get PDF
  16. V. Atanasov, Y. Omar, Quanta of Conformational Change: Conformons in alpha-helical proteins, New J. Phys. 12, 055003 (2010). Get PDF
  17. F. Ciccarello, G.M. Palma, M. Paternostro, M. Zarcone, Y. Omar, Entanglement generation between two spin-s magnetic impurities in a solid via electron scattering, Solid State Sciences 11, 931-934 (2009).
  18. Y. Hida, H. Nakazato, K. Yuasa, Y. Omar, Entanglement generation by qubit scattering in three dimensions, Phys. Rev. A 80, 012310 (2009). Get PDF

Experimental Articles

  1. N. A. Silva, A. J. Almeida, A. N. Pinto, Interference in a Quantum Channel due to Classical Four-Wave Mixing in Optical Fibers, IEEE Journal of Quantum Electronics, vol. 48, pp. 472-479 (2012).
  2. A. J. Almeida, N. A. Silva, A. N. Pinto. “Four-Wave Mixing: Photon Statistics and the Impact on a Co-Propagating Quantum Signal”, submitted to Optics Communications (2011).
  3. N. J. Muga, M. Ferreira, A. N. Pinto, Broadband polarization pulling using Raman amplification, Optics Express, vol. 19, pp. 18707-18712 (2011).
  4. N. A. Silva, N. J. Muga, A. N. Pinto, Evolution of first-order sidebands from multiple FWM processes in HiBi optical fibers, Optics Communications, vol. 284, pp. 3408-3415 (2011).
  5. N. J. Muga, M. Ferreira, A. N. Pinto, QBER Estimation in QKD Systems with Polarization Encoding, IEEE/OSA Journal of Lightwave Tech., vol. 29, pp. 355- 361 (2011).
  6. N. J. Muga, N. A. Silva, M. Ferreira, A. N. Pinto, Evolution of the Degree of Co-Polarization in High-Birefringence Fibers, Optics Communications, vol. 283, pp. 2125-2132 (2010).
  7. N. A. Silva, N. J. Muga, A. N. Pinto, Effective Nonlinear Parameter Measurement Using FWM in Optical Fibers in a Low Power Regime, IEEE Journal of Quantum Electronics, vol. 46, pp. 285-291 (2010).
  8. N. A. Silva, N. J. Muga, A. N. Pinto, Influence of the Stimulated Raman Scattering on the Four-Wave Mixing Process in Birefringent Fibers, IEEE/OSA Journal of Lightwave Technology, vol. 27, pp. 4979-4988 (2009).
  9. M. C. Fugihara, A. N. Pinto, Attenuation Fitting Functions, Microwave and Optical Technology Letters, vol. 51, pp. 2294-2296 (2009).

Contributions for Proceedings

  1. Quantum Simultaneous Contract Signing. Jan Bouda, Libor Caha, Paulo Mateus, Nikola Paunkovic and Matej Pivoluska. AQIS'10, 10'th Asian Conference on Quantum Information Science 2010, Tokyo, Japan, August 27—31, 2010.
  2. Nelson J. Muga, Nuno A. Silva, Mário F. S. Ferreira, Armando N. Pinto, Generalized analysis of the polarization evolution in high-birefringence fibers, Proc. ICTON 2010 - 12th International Conference on Transparent Optical Networks, June 27- July 1, Munich, Germany 2010;   
  3. Álvaro Almeida, Steven R. Carneiro, Nuno A. Silva, Nelson J. Muga, Armando N. Pinto, Time coincidence of entangled photon pairs using spontaneous four-wave mixing in a fiber loop, Proc. SEON 2010 - VIII Symposium On Enabling Optical Networks and Sensors, June 25, Porto, Portugal, 2010;
  4. Álvaro Almeida, Nuno A. Silva, Nelson J. Muga, Armando N. Pinto, Fiber-Optical Communication System Using Polarization-encoding Photons, NOC/OC&I 2010 - 15th European Conference on Networks and Optical Communications/5th Conference on Optical Cabling and Infrastructure, NOC/OC&I 2010 Proceedings pp. 127-132, Faro, Portugal, June 8-10, 2010;
  5. Nelson J. Muga, Nuno A. Silva, Mário F. Ferreira, Armando N. Pinto, Relative State-of-Polarization in High-Birefringence Fibers, NOC/OC&I 2010 - 15th European Conference on Networks and Optical Communications/5th Conference on Optical Cabling and Infrastructure, NOC/OC&I 2010 Proceedings pp. 121-126, Faro, Portugal, June 8-10, 2010;
  6. Gil G. Martins Fernandes, Manfred Niehus, Armando N. Pinto, Fabrication and Optical Characterization of Tapered Optical Fibers, NOC/OC&I 2010 - 15th European Conference on Networks and Optical Communications/5th Conference on Optical Cabling and Infrastructure, NOC/OC&I 2010 Proceedings pp. 57-62, Faro, Portugal, June 8-10, 2010;
  7.  Nuno A. Silva, Nelson J. Muga, Armando N. Pinto, Measurement of the Effective Nonlinear Parameter Using FWM in Random Polarization Optical Fibers, NOC/OC&I 2010 - 15th European Conference on Networks and Optical Communications/5th Conference on Optical Cabling and Infrastructure, NOC/OC&I 2010 Proceedings pp. 185-190, Faro, Portugal, June 8-10, 2010;
  8. Manfred Niehus, Gil G. Martins Fernandes, Armando Nolasco Pinto, Design of a Tunable Single Photon Interferometer Based on Modal Engineered Tapered Optical Fibers, SPIE Photonics Europe 2010, Session 3: Quantum Optics III, Brussels, Belgium, 12 - 16 April 2010 (also published in Quantum Optics, edited by Victor N. Zadkov, Thomas Durt, Proc. of SPIE Vol. 7727, 77270E, pp. 1-14, 2010 SPIE, CCC code: 0277-786X/10/$18, doi: 10.1117/12.855058);
  9. Manfred Niehus, Gil G. Martins Fernandes, Armando Nolasco Pinto, Towards passive and active single photon devices based on mode engineered & evanescently coupled tapered optical fibers, 450th WE-HERAEUS Seminar “Mixed States of Light and Matter”, February 7 - 10, Bad Honnef, Germany, 2010;
  10. N. J. Muga, M. C. Fugihara, M. F. S. Ferreira, and A. N. Pinto, Non-White Noise Generation Method for ASE Noise Simulation in Systems with Raman Amplification, ICTON 2009 - 11th International Conference on Transparent Optical Networks, Ponta Delgada, Portugal, June 28 - July 2, session SWP WG3 VIII - Amplifiers, 2009;
  11. Álvaro J. Almeida, Gil G. Fernandes and Armando N. Pinto, Single-Photon Source With Adjustable Linear SOP, Proc. VII Symposium On Enabling Optical Networks and Sensors, June 26, Amadora, Portugal, 2009;
  12. Nuno A. Silva, Nelson J. Muga, Armando N. Pinto, Single-Photon Generation, Conftele 2009 - 7th Conference on Telecommunications, Santa Maria da Feira, Portugal, May 3 - 5, session Materials and Devices Quantum Effects, pp. 419-422, 2009.

Theses

  1. Steven Ramos Carneiro, Secure Communications based on Quantum Cryptography, Master thesis, University of Aveiro, 2010.
  2. Luís M. Martins, Geração de Pares de Fotões Entrelaçados, Master thesis, University of Aveiro, 2011.
  3. Nelson J. Muga, Polarization Effects in Fiber-Optic Communication Systems, Ph.D. thesis, University of Aveiro, 2011.