investigador

Guilherme Xavier

Doctor en Ingeniería Eléctrica

Unviersidad de Concepción

guilherme.xavier@cefop.udec.cl

+56 41 266 1257

Guilherme Xavier



International Congress

  • Experimental implementation of an eight-dimensional Kochen-Specker set and observation of its connection with the Greenberger-Horne-Zeilinger theorem, G. B. Xavier, Quantum Optics VII , Argentina, Mar del Plata, (2014-10-27)
  • Two-qubit single-photon measurement-device-independent quantum cryptography, G. B. Xavier, Quantum Optics VI, Uruguay, Piriápolis, (2012-11-12)
  • Two-qubit single-photon measurement-device-independent quantum cryptography , G. B. Xavier, Bienal Latinoamericana de Optica Cuántica, Argentina, Buenos Aires, (2012-11-06)

National Congress

  • Phase stabilization in a Mach-Zehnder interferometer using an FPGA for quantum cryptography tests., G. B. Xavier, 6ª Escuela de Diseño de Circuitos Integrados, Universidad Católica de Chile., Chile, Santiago, (2013-01-07)
  • Implementación de Entrelazamiento Energía-Tiempo Genuino a través de Fibras Ópticas para Pruebas en Desigualdades de Bell, G. B. Xavier, XVIII Simposio Chileno de FÍsica , Chile, La Serena, (2012-11-21)
  • Two-qubit single-photon measurement-device-independent quantum cryptography, G. B. Xavier, XVIII Simposio Chileno de Física, Chile, La Serena, (2012-11-21)

Publications

  • E. S. Gómez, , , Gustavo Cañas, J. F. Barra, A. Delgado, G. B. Xavier, Adan Cabello, G. Lima, Matthias Kleinmann, Tamás Vértesi. Experimental proof that a qubit is more than a quantum coin, ARXIV, Vol. (2016).
  • , Mauricio Arias, Gustavo Cañas, E. S. Gómez, J. F. Barra, G. B. Xavier, G. Lima, Vincenzo D'Ambrosio, Flavio Baccari, Fabio Sciarrino, Adan Cabello. Testing noncontextuality inequalities that are building blocks of quantum correlations, PHYSICAL REVIEW A, Vol. (2015). http://dx.doi.org/10.1103/PhysRevA.92.032126
  • Dardo Goyeneche, Gustavo Cañas, Sebastian Etcheverry, E. S. Gómez, G. B. Xavier, G. Lima, A. Delgado. Five measurement bases determine pure quantum states on any dimension, PHYSICAL REVIEW LETTERS, Vol. 115 (2015). http://dx.doi.org/10.1103/PhysRevLett.115.090401
  • , L. Rebon, T. Ferreira da Silva, M. Figueroa, M. Curty, G. Lima, G. B. Xavier, W.A.T. Nogueira , C. Saavedra. Quantum key distribution with untrusted detectors, PHYSICAL REVIEW A, Vol. 92, Issue. 2 (2015). http://dx.doi.org/10.1103/PhysRevA.92.022337
  • G. Carvacho, Jaime Cariñe, Gabriel Saavedra Mondaca, A. Cuevas, , Felipe Toledo, M. Figueroa, A. Cabello, Jan-Ake Larsson, P. Matalloni, G. Lima, G. B. Xavier. Postselection-Loophole-Free Bell Test Over an Installed Optical Fiber Network, PHYSICAL REVIEW LETTERS, Vol. 115, Article. 30503 (2015). 10.1103/PhysRevLett.115.030503
  • M. A. Solís-Prosser, , , , G. B. Xavier, A. Delgado, G. Lima. Experimental Multi-Party Sequential State Discrimination, ARXIV, Vol. (2015).
  • Santiago Rojas-Rojas, Luis Morales-Inostroza, Uta Naether, G. B. Xavier, S. Nolte, A. Szameit, R.A. Vicencio, G. Lima, A. Delgado. Analytical model for polarization-dependent light propagation in waveguide arrays and applications, PHYSICAL REVIEW A, Vol. 90 (2014).
  • T. Ferreira da Silva, G. C. do Amaral, G. B. Xavier, G. P. Temporao, J. P. von der Weid. Safeguarding Quantum Key Distribution Through Detection Randomization, IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, Vol. 21, Issue. 3, Article. 6600309 (2014). 10.1109/JSTQE.2014.2361793
  • Gustavo Cañas, Mauricio Arias, Sebastian Etcheverry Cabrera, E. S. Gómez, Adan Cabello, G. B. Xavier, G. Lima. Applying the Simplest Kochen-Specker Set for Quantum Information Processing, PHYSICAL REVIEW LETTERS, Vol. 113, Issue. 90404, pp. 1-5 (2014). 10.1103/PhysRevLett.113.090404
  • Gustavo Cañas, Sebastian Etcheverry Cabrera, E. S. Gómez, C. Saavedra, G. B. Xavier, G. Lima, A. Cabello. Experimental implementation of an eight-dimensional Kochen-Specker set and observation of its connection with the Greenberger-Horne-Zeilinger theorem, PHYSICAL REVIEW A, Vol. 90, Article. 12119 (2014). 10.1103/PhysRevA.90.012119
  • T. Ferreira da Silva, G. B. Xavier, G. P. Temporao, J. P. von der Weid. Impact of Raman Scattered Noise from Multiple Telecom Channels on Fiber-Optic Quantum Key Distribution Systems, IEEE JOURNAL OF LIGHTWAVE TECHNOLOGY, Vol. 32, Issue. 13, pp. 2332-2339 (2014). 10.1109/JLT.2014.2322108
  • G. Carvacho, A. Cuevas, G. Saavedra, Jaime Cariñe, W.A.T. Nogueira , M. Figueroa, A. Cabello, P. Matalloni, G. Lima, G. B. Xavier. Long-distance distribution of genuine energy-time entanglement, NATURE COMMUNICATIONS, Vol. 4, Article. 2871, pp. 1-6 (2013). 10.1038/ncomms3871
  • T. Ferreira da Silva, D. Vitoreti, G. B. Xavier, G. C. do Amaral, G. P. Temporao, J. P. von der Weid. Proof-of-principle demonstration of measurement-device-independent quantum key distribution using polarization qubits, PHYSICAL REVIEW A, Vol. 88, Article. 52303 (2013). 10.1103/PhysRevA.88.052303
  • Sebastian Etcheverry Cabrera, Gustavo Cañas, E. S. Gómez, W.A.T. Nogueira , C. Saavedra, G. B. Xavier, G. Lima. Quantum key distribution session with 16-dimensional photonic states, SCIENTIFIC REPORTS, Vol. 3, Article. 2316 (2013). 10.1038/srep02316
  • T. Ferreira da Silva, D. Vitoreti, G. B. Xavier, G. P. Temporao, J. P. von der Weid. Long-Distance Bell-State Analysis of Fully Independent Polarization Weak Coherent States, IEEE JOURNAL OF LIGHTWAVE TECHNOLOGY, Vol. 31, pp. 2881-2887 (2013). 10.1109/JLT.2013.2274615
  • T. Ferreira da Silva, G. B. Xavier, G. P. Temporao, J. P. von der Weid. Real-time monitoring of single-photon detectors against eavesdropping in quantum key distribution systems, OPTICS EXPRESS, Vol. 20, pp. 18911-18924 (2012). 10.1364/OE.20.018911
  • G. B. Xavier, G. P. Temporao, J. P. von der Weid. Employing long fibre-optical Mach-Zehnder interferometers for quantum cryptography with orthogonal states, ELECTRONICS LETTERS, Vol. 48, Issue. 13, pp. 775-777 (2012). 10.1049/el.2012.0850
  • G. P. Temporao, G. B. Xavier, J. P. von der Weid. Quantum channel with controllable decoherence using polarization-time coupling, EUROPEAN PHYSICAL JOURNAL D, Vol. 66, Issue. 2, Article. 42 (2012). 10.1140/epjd/e2011-20451-2
  • G. B. Xavier, G. Vilela de Faria, T. Ferreira da Silva, G. P. Temporao, J. P. von der Weid. Active polarization control for quantum communication in long-distance optical fibers with shared telecom traffic, MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, Vol. 53, Issue. 11, pp. 2661-2665 (2011). 10.1002/mop.26320
  • T. Ferreira da Silva, G. B. Xavier, J. P. von der Weid. Real-Time Characterization of Gated-Mode Single-Photon Detectors, IEEE JOURNAL OF QUANTUM ELECTRONIC, Vol. 47, Issue. 9, pp. 1251-1256 (2011). 10.1109/JQE.2011.2163622
  • G. B. Xavier, T. R. da Silva, G. P. Temporao, J. P. von der Weid. Polarisation drift compensation in 8 km-long Mach-Zehnder fibre-optical interferometer for quantum communication, ELECTRONICS LETTERS, Vol. 47, pp. 608-609 (2011). 10.1049/el.2011.0470
  • G. B. Xavier, J. P. von der Weid. Stable single-photon interference in a 1 km fiber-optic Mach–Zehnder interferometer with continuous phase adjustment, OPTICS LETTERS, Vol. 36, pp. 1764-1766 (2011). 10.1364/OL.36.001764
  • G. B. Xavier, J. P. von der Weid. Limitations for transmission of photonic qubits in optical fibres carrying telecom traffic, ELECTRONICS LETTERS, Vol. 46, pp. 1071-1072 (2010). 10.1049/el.2010.0959
  • A. H. Cordes, G. B. Xavier, G. Vilela de Faria, J. P. von der Weid. High axial resolution swept source for optical coherence tomography, ELECTRONICS LETTERS, Vol. 46, pp. 27-29 (2010). 10.1049/el.2010.2413
  • G. B. Xavier, T. Ferreira da Silva, G. Vilela de Faria, G. P. Temporao, J. P. von der Weid. Practical random number generation protocol for entanglement-based quantum key distribution, QUANTUM INFORMATION & COMPUTATION, Vol. 9, Issue. 7, pp. 683-692 (2009).
  • G. B. Xavier, N. Walenta, G. Vilela de Faria, G. P. Temporao, N. Gisin , H. Zbinden, J. P. von der Weid. Experimental polarization encoded quantum key distribution over optical fibres with real-time continuous birefringence compensation, NEW JOURNAL OF PHYSICS, Vol. 11 (2009). 10.1088/1367-2630/11/4/045015
  • Q. Wang, W. Chen, G. B. Xavier, M. Swillo, T. Zhang, S. Sauge, M. Tengner, Z.-F. Han, G.-C. Guo, A. Karlsson. Experimental Decoy-State Quantum Key Distribution with a Sub-Poissionian Heralded Single-Photon Source , PHYSICAL REVIEW LETTERS, Vol. 100 (2008). 10.1103/PhysRevLett.100.090501
  • G. Vilela de Faria, J. Ferreira, G. B. Xavier, G. P. Temporao, J. P. von der Weid. Polarisation control schemes for fibre optics quantum communications using polarisation encoding, ELECTRONICS LETTERS, Vol. 44 (2008). 10.1049/el:20083122
  • G. B. Xavier, G. Vilela de Faria, G. P. Temporao, J. P. von der Weid. Full polarization control for fiber optical quantum communication systems using polarization encoding, OPTICS EXPRESS, Vol. 16, pp. 1867-1873 (2008). 10.1364/OE.16.001867
  • S. Sauge, M. Swillo, S. Albert-Seifried, G. B. Xavier, J. Waldeback, M. Tengner, D. Ljunggren, A. Karlsson. Narrowband polarization-entangled photon pairs distributed over a WDM link for qubit networks, OPTICS EXPRESS, Vol. 15, pp. 6926-6933 (2007). 10.1364/OE.15.006926
  • G. B. Xavier, J. P. von der Weid. Modulation schemes for frequency-coded quantum key distribution, ELECTRONICS LETTERS, Vol. 41 (2005). 10.1049/el:20050466