Main

Fields of interest:

• Quantum communications,
• quantum optics,
• optical metrology and fiber optics
   

Recent publications:

G. B. Xavier, T. R. da Silva, G. P. Temporão and J. P. von der Weid:
“Polarisation drift compensation in an 8 km long Mach-Zehnder fibre optical interferometer for quantum communication”,
Electronics Letters, 47, 608 (2011).

G. B. Xavier and J. P. von der Weid:
“Stable single-photon interference in a 1 km Mach-Zehnder fiber optical interferometer with continuous phase adjustment”,
Optics Letters, 36, 1764 (2011).

G. B. Xavier and J. P. von der Weid:
"Limitations for transmission of photonic qubits in optical fibres carrying telecom traffic",
Electronics Letters 46, 1071 (2010).

A. H. Cordes, G. B. Xavier, G. Vilela de Faria and J. P. von der Weid:
“High axial-resolution swept-source for optical coherence tomography”,
Electronics Letters 46, 27 (2010).

G. B. Xavier, N. Walenta, G. Vilela de Faria, G. P. Temporão, N. Gisin, H. Zbinden and J. P. von der Weid:
“Experimental polarization encoded quantum key distribution over optical fibres with real-time continuous birefringence compensation”, New Journal of Physics 11, 045015 (2009).

G. B. Xavier, T. Ferreira da Silva, G. Vilela de Faria, G. P. Temporão and J. P. von der Weid:
Practical random number generation protocol for entanglement-based quantum key distribution,
Quantum Information & Computation 9, pp. 0683 - 0692 (2009).

Q. Wang, W. Chen, G. Xavier, M. Swillo, T. Zhang, S. Sauge, M. Tengner, Z.–F. Han, G.-C. Guo and A. Karlsson:
Experimental decoy-state quantum key distribution with sub-poissonian heralded single-photon source,
Physical Review Letters 100, 090501 (2008).

G. B. Xavier, G. Vilela de Faria, G. P. Temporão and J. P. von der Weid:
Full polarization control for fiber optical quantum communication systems using polarization encoding
Optics Express 16, 1867 (2008).

G. Vilela de Faria, J. Ferreira, G. B. Xavier, G. P. Temporão and J. P. von der Weid: Polarisation control schemes for fibre-optics quantum communications using polarisation encoding”, Electronics Letters 44, 228  (2008).