Dr. Filippus Stefanus Roux Profile

Dr. Filippus Stefanus Roux

Professor at National Metrology Institute of South Africa

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Author

Publications (30)

Proceedings Article | 4 March 2019 Paper

Corroboration of a multi-phase screen model

Chemist Mabena, Teboho Bell, Filippus Roux

Proceedings Volume 10910, 109101T (2019) https://doi.org/10.1117/12.2510003

KEYWORDS: Atmospheric propagation, Turbulence, Surface plasmons, Numerical simulations, Atmospheric turbulence, Scintillation, Atmospheric optics, Atmospheric modeling, Photons, Telecommunications

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Proceedings Article | 25 August 2017 Paper

Hybrid entanglement for quantum information and communication applications

I. Nape, B. Ndagano, B. Perez-Garcia, R. Hernandez-Aranda, F. Roux, T. Konrad, A. Forbes

Proceedings Volume 10347, 1034711 (2017) https://doi.org/10.1117/12.2274361

KEYWORDS: Quantum communications, Quantum information, Quantum key distribution, Photons

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Proceedings Article | 27 February 2017 Presentation + Paper

Quantum-key distribution with vector modes

B. Ndagano, I. Nape, B. Perez-Garcia, S. Scholes, R. Hernandez-Aranda, F. Roux, T. Konrad, A. Forbes

Proceedings Volume 10120, 101200X (2017) https://doi.org/10.1117/12.2251465

KEYWORDS: Quantum information, Quantum key distribution, Quantum cryptography, Polarization, Photon polarization, Single photon, Wave plates, Quantum optics, Computer programming, Quantum communications, Beam splitters, Optical components, Single mode fibers, Physics

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Proceedings Article | 8 October 2014 Paper

Azimuthal spectrum after parametric down-conversion with radial degrees of freedom

Yingwen Zhang, Filippus Roux, Melanie McLaren, Andrew Forbes

Proceedings Volume 9225, 92250D (2014) https://doi.org/10.1117/12.2063222

KEYWORDS: Single mode fibers, Spatial light modulators, Signal detection, Quantum information, Photons, Nonlinear crystals, Crystals, Quantum optics, Beam splitters, Phase matching

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Proceedings Article | 25 September 2014 Paper

Entangled Bessel beams

Melanie McLaren, Thandeka Mhlanga, Miles Padgett, Filippus Roux, Andrew Forbes

Proceedings Volume 9194, 919409 (2014) https://doi.org/10.1117/12.2066369

KEYWORDS: Bessel beams, Crystals, Spatial light modulators, Sensors, Holograms, Electroluminescent displays, Axicons, Binary data, Quantum information, Quantum computing

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Proceedings Article | 25 September 2014 Paper

Detecting Bessel beams

Abderrahmen Trichili, Thandeka Mhlanga, Yaseera Ismail, Filippus Roux, Melanie McLaren, Mourad Zghal, Andrew Forbes

Proceedings Volume 9194, 91940B (2014) https://doi.org/10.1117/12.2061372

KEYWORDS: Bessel beams, Axicons, Gaussian beams, Digital holography, Holograms, Wave propagation, Beam propagation method, Spatial light modulators, Digital signal processing, Signal detection

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Proceedings Article | 25 September 2014 Paper

Simulating spontaneous parametric down-conversion using classical light

Yingwen Zhang, Melanie Mclaren, Filippus Roux, Andrew Forbes

Proceedings Volume 9194, 919408 (2014) https://doi.org/10.1117/12.2063285

KEYWORDS: Spatial light modulators, Lithium, Single mode fibers, Optical simulations, Holograms, Picosecond phenomena, Photon counting, Sensors, Modulation, Phase matching

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Proceedings Article | 25 February 2014 Paper

Vitality of optical vortices

Filippus Roux

Proceedings Volume 8999, 89990T (2014) https://doi.org/10.1117/12.2038815

KEYWORDS: Optical vortices, Speckle, Spiral phase plates, Stochastic processes, Free space optics, Atmospheric propagation, Computer simulations, Wavefronts, Current controlled current source, Feedback control

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Proceedings Article | 25 February 2014 Paper

Recovery of quantum-entanglement after encountering an obstruction

Melanie McLaren, Thandeka Mhlanga, Miles Padgett, Filippus Roux, Andrew Forbes

Proceedings Volume 8999, 899918 (2014) https://doi.org/10.1117/12.2037651

KEYWORDS: Crystals, Holograms, Spatial light modulators, Single mode fibers, Electroluminescent displays, Matrices, Bessel beams, Photonic crystals, Bessel functions, Neodymium

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Proceedings Article | 25 February 2014 Paper

The scalable implementation of quantum walks using classical light

Sandeep Goyal, F. Roux, Andrew Forbes, Thomas Konrad

Proceedings Volume 8999, 89991A (2014) https://doi.org/10.1117/12.2039622

KEYWORDS: Quantum computing, Polarization, Quantum wells, Prisms, Electroluminescent displays, Quantum information, Optical components, Phase shifts, Single photon, Quantum physics

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Proceedings Article | 25 February 2014 Paper

The evolution of OAM-entanglement between two qutrits in turbulence

Alpha Hamadou Ibrahim, Filippus Roux, Sandeep Goyal, Melanie McLaren, Thomas Konrad, Andrew Forbes

Proceedings Volume 8999, 899919 (2014) https://doi.org/10.1117/12.2038935

KEYWORDS: Turbulence, Photons, Quantum communications, Spatial light modulators, Scintillation, Atmospheric turbulence, Quantum information, Telecommunications, Atmospheric propagation, Avalanche photodetectors

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Proceedings Article | 17 December 2013 Paper

Stochastic singular optics

Filippus Roux

Proceedings Volume 9066, 906604 (2013) https://doi.org/10.1117/12.2046648

KEYWORDS: Stochastic processes, Spiral phase plates, Correlation function, Singular optics, Optical vortices, Speckle, Numerical simulations, Statistical optics, Coherence (optics), Transform theory

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Proceedings Article | 28 September 2013 Paper

Techniques to sort Bessel beams

Angela Dudley, Thandeka Mhlanga, André McDonald, Filippus Roux, Martin Lavery, Miles Padgett, Andrew Forbes

Proceedings Volume 8843, 884306 (2013) https://doi.org/10.1117/12.2026943

KEYWORDS: Bessel beams, Optical components, Cylindrical lenses, Spatial light modulators, Holograms, Superposition, Fourier transforms, Spherical lenses, Digital holography, Stereolithography

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Proceedings Article | 5 March 2013 Paper

Down-converted bi-photons in a Bessel-Gaussian basis

Filippus Roux, Melanie McLaren, Miles Padgett, Andrew Forbes, Thomas Konrad

Proceedings Volume 8637, 86370R (2013) https://doi.org/10.1117/12.2003870

KEYWORDS: Spatial light modulators, Single mode fibers, Quantum information, Quantum computing, Bessel functions, Entangled states, Modulation, Crystals, Laser crystals, Phase matching

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Proceedings Article | 5 March 2013 Paper

Complete azimuthal decomposition of optical fields

A. Dudley, I. Litvin, F. Roux, A. Forbes

Proceedings Volume 8637, 86370D (2013) https://doi.org/10.1117/12.2004252

KEYWORDS: Phase shifts, Phase measurement, Superposition, Digital holography, Spatial light modulators, Holograms, Bessel beams, LCDs, Modes of laser operation, Laser sources

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Proceedings Article | 5 March 2013 Paper

Efficient sorting of Bessel beams

T. Mhlanga, A. Dudley, A. McDonald, F. Roux, M. Lavery, M. Padgett, A. Forbes

Proceedings Volume 8637, 86371C (2013) https://doi.org/10.1117/12.2004305

KEYWORDS: Bessel beams, Optical components, Cylindrical lenses, Fourier transforms, Spherical lenses, Spatial light modulators, Holograms, Charge-coupled devices, Sensors, Stereolithography

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Proceedings Article | 17 October 2012 Paper

Putting light in a spin

A. Dudley, R. Rop, I. Litvin, C. López-Mariscal, F. Roux, A. Forbes

Proceedings Volume 8490, 84900A (2012) https://doi.org/10.1117/12.970682

KEYWORDS: Bessel beams, Digital holography, Superposition, Holograms, Spatial light modulators, Wave propagation, Physics, Modes of laser operation, Solids, Light wave propagation

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Proceedings Article | 15 October 2012 Paper

The generation of flat-top beams by complex amplitude modulation with a phase-only spatial light modulator

Adriaan Hendriks, Darryl Naidoo, Filippus Roux, Carlos López-Mariscal, Andrew Forbes

Proceedings Volume 8490, 849006 (2012) https://doi.org/10.1117/12.932224

KEYWORDS: Phase shift keying, Spatial light modulators, Gaussian beams, Amplitude modulation, Computer generated holography, Transmittance, Phase modulation, Diffraction, Reflectivity, Computer programming

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Proceedings Article | 7 September 2011 Paper

Parameter dependence of the decoherence of orbital angular momentum entanglement in atmospheric turbulence

Alpha Hamadou Ibrahim, Filippus Roux, Thomas Konrad

Proceedings Volume 8163, 81630J (2011) https://doi.org/10.1117/12.893466

KEYWORDS: Atmospheric propagation, Photons, Quantum communications, Refractive index, Beam propagation method, Turbulence, Atmospheric modeling, Atmospheric turbulence, Optical fibers, Atmospheric optics

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Proceedings Article | 17 February 2011 Paper

Evolution of optical vortex distributions in stochastic vortex fields

Filippus Roux

Proceedings Volume 7950, 79500T (2011) https://doi.org/10.1117/12.874595

KEYWORDS: Stochastic processes, Speckle, Spiral phase plates, Optical vortices, Atmospheric propagation, Diffusion, Numerical simulations, Wave propagation, Computer simulations, Differential equations

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Proceedings Article | 17 February 2011 Paper

Evolution of orbital angular momentum entangled bi-photon, propagating through a turbulent atmosphere

Filippus Roux

Proceedings Volume 7950, 795004 (2011) https://doi.org/10.1117/12.874610

KEYWORDS: Atmospheric propagation, Turbulence, Quantum communications, Wave propagation, Refractive index, Photons, Scintillation, Atmospheric scintillation, Scattering, Differential equations

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Proceedings Article | 22 August 2009 Paper

Polynomial Gaussian beams

Filippus Roux

Proceedings Volume 7430, 743008 (2009) https://doi.org/10.1117/12.829174

KEYWORDS: Gaussian beams, Laser beam propagation, Optical vortices, Spiral phase plates, Beam propagation method, Atmospheric propagation, Numerical simulations, Modeling, Beam controllers, Analytical research

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Proceedings Article | 26 October 2007 Paper

Visualizing phase velocity in photonic crystals

Filippus Roux

Proceedings Volume 6796, 67963D (2007) https://doi.org/10.1117/12.778945

KEYWORDS: Photonic crystals, Phase velocity, Wave propagation, Finite-difference time-domain method, Refractive index, Radio propagation, Visualization, Negative refraction, Electromagnetic radiation, Interfaces

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Proceedings Article | 26 October 2007 Paper

Shortening Veselago lenses using variable photonic crystals

Filippus Roux

Proceedings Volume 6796, 67963G (2007) https://doi.org/10.1117/12.778947

KEYWORDS: Refractive index, Photonic crystals, Interfaces, Lenses, Finite-difference time-domain method, Dielectrics, Gaussian beams, Wave propagation, Negative refraction, GRIN lenses

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Proceedings Article | 31 December 2003 Paper

Optical vortex trajectories through paraxial modal analysis

Filippus Roux

Proceedings Volume 5182, (2003) https://doi.org/10.1117/12.503583

KEYWORDS: Optical vortices, Modal analysis, Systems engineering, Speckle, Diffractive optical elements, Gaussian beams, Numerical simulations

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Proceedings Article | 20 April 1995 Paper

Single-element diffractive optical system for real-time processing of synthetic aperture radar data

Filippus Roux

Proceedings Volume 2404, (1995) https://doi.org/10.1117/12.207477

KEYWORDS: Holographic optical elements, Transform theory, Spatial frequencies, Spiral phase plates, Diffraction, Synthetic aperture radar, Convolution, Bessel functions, Data processing, Differential equations

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SPIE Journal Paper | 1 September 1994

Wavelength dependence of thin diffractive lenses

Filippus Roux

OE, Vol. 33, Issue 09, (September 1994) https://doi.org/10.1117/12.10.1117/12.175671

KEYWORDS: Lenses, Diffraction, Near field diffraction, Lens design, Modulation, Spatial frequencies, Diffraction gratings, Phase shift keying, Quantization, Lithium

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SPIE Journal Paper | 1 September 1994

Correlation peak degradation for out-of-plane rotation in an optical pattern recognition system

Helgard Honiball, Filippus Roux

OE, Vol. 33, Issue 09, (September 1994) https://doi.org/10.1117/12.10.1117/12.175672

KEYWORDS: Computer simulations, Optical pattern recognition, Optical correlators, Image enhancement, Distortion, Mathematical modeling, Fourier transforms, Optical filters, Spatial filters, Phase only filters

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Proceedings Article | 9 November 1993 Paper

Implementation of arbitrary linear optical transformations with diffractive optics

Filippus Roux

Proceedings Volume 2026, (1993) https://doi.org/10.1117/12.163585

KEYWORDS: Computer generated holography, Diffractive optical elements, Hough transforms, Taxonomy, Differential equations, Modulation, Diffraction gratings, Wavefronts, Binary data, Spatial frequencies

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SPIE Journal Paper | 1 May 1991

Intensity distribution transformation for rotationally symmetric beam shaping

Filippus Roux

OE, Vol. 30, Issue 05, (May 1991) https://doi.org/10.1117/12.10.1117/12.55836

KEYWORDS: Computer generated holography, Diffraction, Differential equations, Modulation, Beam shaping, Phase shift keying, Photography, Aspheric lenses, Numerical analysis, Diffraction gratings

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Showing 5 of 30 publications

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