Search Results - "Khoury, A. Z"

Pattern Revivals from Fractional Gouy Phases in Structured Light by da Silva, B Pinheiro, Pinillos, V A, Tasca, D S, Oxman, L E, Khoury, A Z

“…We investigate pattern revivals in specially designed optical structures that combine different transverse modes. In general, the resulting pattern is not…”
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Trapping Microparticles in a Structured Dark Focus by Almeida, F., Sousa, I., Kremer, O., da Silva, B. Pinheiro, Tasca, D. S., Khoury, A. Z., Temporão, G., Guerreiro, T.

“…We experimentally demonstrate stable trapping and controlled manipulation of silica microspheres in a structured optical beam consisting of a dark focus…”
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Resonance of vector vortex beams in a triangular optical cavity by Rodrigues, L. M., Marques Fagundes, L., Salles, D. C., dos Santos, G. H., Kondo, J. M., Souto Ribeiro, P. H., Khoury, A. Z., Medeiros de Araújo, R.

“…We experimentally demonstrate resonance of first-order vector vortex beams (VVB) with a triangular optical cavity. We also show that, due to their symmetry…”
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Arbitrary orbital angular momentum addition in second harmonic generation by Buono, W T, Moraes, L F C, Huguenin, J A O, Souza, C E R, Khoury, A Z

“…We demonstrate second harmonic generation performed with optical vortices with different topological charges imprinted on orthogonal polarizations. Besides the…”
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Optical computing of quantum revivals by Maia, M. R., Jonathan, D., de Oliveira, T. R., Khoury, A. Z., Tasca, D. S.

“…Interference is the mechanism through which waves can be structured into the most fascinating patterns. While for sensing, imaging, trapping, or in fundamental…”
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Fractional topological phase for entangled qudits by Oxman, L E, Khoury, A Z

“…We investigate the topological structure of entangled qudits under unitary local operations. Different sectors are identified in the evolution, and their…”
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Direct measurement of the biphoton Wigner function through two-photon interference by Douce, T., Eckstein, A., Walborn, S. P., Khoury, A. Z., Ducci, S., Keller, A., Coudreau, T., Milman, P.

“…The Hong-Ou-Mandel (HOM) experiment was a benchmark in quantum optics, evidencing the non–classical nature of photon pairs, later generalized to quantum…”
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A Michelson controlled-not gate with a single-lens astigmatic mode converter by Souza, C E R, Khoury, A Z

“…We propose and demonstrate experimentally a single lens design for an astigmatic mode converter that transforms the transverse mode of paraxial optical beams…”
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Fractional topological phase measurement with a hyperentangled photon source by Matoso, A. A., Ribeiro, R. A., Oxman, L. E., Khoury, A. Z., Pádua, S.

“…Pairs of photons simultaneously entangled in their path and polarization degrees of freedom are used to measure the topological phase acquired by bipartite…”
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Topological phase for spin-orbit transformations on a laser beam by Souza, C E R, Huguenin, J A O, Milman, P, Khoury, A Z

“…We investigate the topological phase associated with the double connectedness of the SO(3) representation in terms of maximally entangled states. An…”
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Continuous-variable hyperentanglement in a parametric oscillator with orbital angular momentum by Coutinho dos Santos, B, Dechoum, K, Khoury, A Z

“…We describe continuous-variable hyperentanglement in polarization and orbital angular momentum modes of an optical parametric oscillator. The quantum…”
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Phase Conjugation and Mode Conversion in Stimulated Parametric Down-Conversion with Orbital Angular Momentum: a Geometrical Interpretation by de Oliveira, A. G., Arruda, M. F. Z., Soares, W. C., Walborn, S. P., Khoury, A. Z., Kanaan, A., Ribeiro, P. H. Souto, de Araújo, R. Medeiros

“…We report on an experiment that investigates the spatial mode conversion in the process of parametric down-conversion seeded by a light beam in a superposition…”
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Noise characteristics of oxide-confined vertical-cavity surface-emitting lasers by Hermier, J.-P., Bramati, A., Khoury, A.Z., Josse, V., Giacobino, E., Schnitzer, P., Michalzik, R., Ebeling, K.J.

“…We demonstrate the possibility of generating intensity squeezed light with free-running or injected multimode vertical-cavity surface-emitting laser…”
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Non Abelian structures and the geometric phase of entangled qudits by Oxman, L.E., Khoury, A.Z.

“…In this work, we address some important topological and algebraic aspects of two-qudit states evolving under local unitary operations. The projective invariant…”
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Observation of image transfer and phase conjugation in stimulated down-conversion by Ribeiro, P H, Caetano, D P, Almeida, M P, Huguenin, J A, dos Santos, B C, Khoury, A Z

“…We observe experimentally the transfer of angular spectrum and image formation in the process of stimulated parametric down-conversion. Images and interference…”
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Dynamical quantum statistical effects in optical parametric processes by Olsen, M.K., Plimak, L.I., Khoury, A.Z.

“…We investigate the dynamical and statistical effects of different input states of the electromagnetic field in the travelling wave parametric processes of…”
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Orbital angular momentum exchange in parametric down conversion by Huguenin, J. A. O., Martinelli, M., Caetano, D. P., santos, B. Coutinho dos, Almeida, M. P., Ribeiro, P. H. Souto, Nussenzveig, P., Khoury, A. Z.

“…Orbital angular momentum exchange, both in cavity free stimulated parametric down conversion and in an optical parametric oscillator, is studied. In both…”
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Quantum analysis of the nondegenerate optical parametric amplifier with injected signal by Olsen, M.K., Plimak, L.I., Khoury, A.Z.

“…We perform a fully quantum analysis of the continuously pumped nondegenerate travelling wave optical parametric amplifier (NOPA), in both the spontaneous and…”
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Theoretical investigation of moiré patterns in quantum images by Almeida, M. P., Huguenin, J. A. O., Souto Ribeiro, P. H., Khoury, A. Z.

“…Moiré patterns are produced when two periodic structures with different spatial frequencies are superposed. The transmission of the resulting structure gives…”
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Manipulation of quantum spatial properties of light by Souto Ribeiro, P. H., Caetano, D. P., Monken, C. H., Pardal, J. T. C., Khoury, A. Z.

“…We discuss how it is possible to manipulate quantum spatial properties of light beams by using the transfer of the angular spectrum. Twin beams from the…”
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