Prof. Kristiaan Neyts Profile

Prof. Kristiaan Neyts

Full Professor at Hong Kong Univ of Science and Technology

SPIE Involvement:

Conference Program Committee | Author | Editor

Publications (41)

Proceedings Article | 18 June 2024 Presentation + Paper

Diffractive optical elements based on photoaligned liquid crystals: reflective and transmissive devices with different functionalities

Inge Nys, Miglé Stebryté, Rohan Sharma, Brecht Berteloot, Jeroen Beeckman, Kristiaan Neyts

Proceedings Volume 13016, 130160A (2024) https://doi.org/10.1117/12.3022591

KEYWORDS: Liquid crystals, Reflection, Diffraction, Diffraction gratings, Optical gratings, Diffractive optical elements, Polarized light, Switching, Electric fields, Simulations

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Proceedings Article | 18 June 2024 Poster

Chiral liquid crystal-based concave holographic spectrometer on a curved substrate

Rohan Sharma, Brecht Berteloot, Inge Nys, Kristiaan Neyts

Proceedings Volume PC13016, PC130160U (2024) https://doi.org/10.1117/12.3022311

KEYWORDS: Spectroscopy, Liquid crystals, Holography, Flat optics, Reflection, Polarized light, Diffraction gratings, Simulations, Sensors, Prototyping

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Proceedings Article | 18 June 2024 Poster

Efficient diffractive optics based on patterned short pitch chiral liquid crystal

Migle Stebryte, Inge Nys, Jeroen Beeckman, Kristiaan Neyts

Proceedings Volume PC13016, PC130160W (2024) https://doi.org/10.1117/12.3028750

KEYWORDS: Liquid crystals, Reflection, Crystal optics, Diffraction gratings, Diffraction, Holography, Sensors, Polarized light, Optical transmission, Optical properties

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Proceedings Article | 5 October 2023 Presentation

Out-of-equilibrium coupling of colloidal particles with critical baths

Ignacio Martinez, Sergio Ciliberto, Kristiaan Neyts

Proceedings Volume PC12649, PC1264911 (2023) https://doi.org/10.1117/12.2681173

KEYWORDS: Particles, Mixtures, Colloids, Quenching, Particle systems, Nanostructures, Modulation, Liquids, Design and modelling

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Proceedings Article | 4 March 2022 Presentation + Paper

Submicrometer photoalignment for photonic components based on tilted chiral liquid crystal

I. Nys, B. Berteloot, M. Stebryte, J. Beeckman, K. Neyts

Proceedings Volume 12023, 1202304 (2022) https://doi.org/10.1117/12.2607774

KEYWORDS: Liquid crystals, Diffraction, Polarization, Photonic crystals, Photonic crystal devices, Reflection, Waveguides, Spatial light modulators, Optical lithography, Diffraction gratings

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Proceedings Article | 4 March 2019 Presentation

Nanophotonic PZT-on-SiN pockels modulators (Conference Presentation)

Koen Alexander, John George, Gilles Feutmba, Isaac Luntadila Lufungula, Kristiaan Neyts, Bart Kuyken, Jeroen Beeckman, Dries Van Thourhout

Proceedings Volume 10922, 109221P (2019) https://doi.org/10.1117/12.2508683

KEYWORDS: Silicon, Modulators, Nanophotonics, Silicon photonics, Ferroelectric materials, Phase modulation, Photonics, Optoelectronics, Oxides, Photonic integrated circuits

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Proceedings Article | 14 May 2018 Paper

Peculiarities of spatial soliton formation in azobenzene liquid crystal

Tigran Dadalyan, Varsenik Nersesyan, Anahit Gogyan, Yuri Malakyan, Jeroen Beeckman, Kristiaan Neyts, Rafael Drampyan

Proceedings Volume 10684, 1068424 (2018) https://doi.org/10.1117/12.2307202

KEYWORDS: Molecular lasers

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Proceedings Article | 19 September 2017 Presentation

Liquid crystal 3D periodic gratings based on photo-alignment (Conference Presentation)

Kristiaan Neyts, Inge Nys, Varsenik Nersesyan, Jeroen Beeckman

Proceedings Volume 10361, 1036110 (2017) https://doi.org/10.1117/12.2275050

KEYWORDS: Liquid crystals, Diffraction gratings, Polarization, Diffraction, Ultraviolet radiation, Numerical simulations, Optical microscopy, Electrodes, Electro optics

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Proceedings Article | 7 March 2016 Paper

Liquid crystal devices with continuous phase variation based on high-permittivity thin films

Oliver Willekens, Kristiaan Neyts, Jeroen Beeckman

Proceedings Volume 9769, 97690P (2016) https://doi.org/10.1117/12.2209326

KEYWORDS: Liquid crystals, Electrodes, Dielectrics, LCDs, Ferroelectric materials, Switching, Thin film devices, Thin films, Gradient-index optics, Indium, Glasses, Refractive index, Spatial light modulators

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Proceedings Article | 22 September 2015 Presentation + Paper

Anisotropy in OLEDs

M. Callens, D. Yokoyama, K. Neyts

Proceedings Volume 9566, 95661G (2015) https://doi.org/10.1117/12.2189031

KEYWORDS: Organic light emitting diodes, Anisotropy, Refractive index, Interfaces, External quantum efficiency, Glasses, Scattering, Electromagnetic radiation, Lenses, Birefringence

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Proceedings Article | 5 September 2015 Presentation + Paper

One- and two-dimensional liquid crystal structures for lasing applications

Inge Nys, Jeroen Beeckman, Kristiaan Neyts

Proceedings Volume 9565, 956513 (2015) https://doi.org/10.1117/12.2188003

KEYWORDS: Liquid crystals, Laser damage threshold, Electrodes, Energy efficiency, Absorption, Laser crystals, Glasses, Polarizers, Surface finishing, Liquid crystal lasers

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Proceedings Article | 11 March 2015 Paper

Thin film polarizer and color filter based on photo-polymerizable nematic liquid crystal

Mohammad Mohammadimasoudi, Kristiaan Neyts, Jeroen Beeckman

Proceedings Volume 9384, 93840E (2015) https://doi.org/10.1117/12.2079516

KEYWORDS: Liquid crystals, Polarizers, Optical filters, Thin films, Liquids, Crystals, Polymers, Reflectivity, Absorption, Optical components

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Proceedings Article | 4 March 2015 Paper

Hybrid VCSEL: liquid crystal systems

K. Panajotov, Y. Xie, J. Beeckman, K. Neyts, M. Dems, C. Belmonte, H. Thienpont

Proceedings Volume 9381, 93810P (2015) https://doi.org/10.1117/12.2079032

KEYWORDS: Liquid crystals, Vertical cavity surface emitting lasers, Polarization, Electro optics, Glasses, Dielectric polarization, Switching, Crystals, Modulation, Refractive index

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Proceedings Article | 7 October 2014 Paper

Effect of UV curing conditions on polymerized tunable chiral nematic liquid crystals

Mohammad Mohammadimasoudi, Jeroen Beeckman, Kristiaan Neyts

Proceedings Volume 9182, 91821A (2014) https://doi.org/10.1117/12.2060965

KEYWORDS: Ultraviolet radiation, Liquid crystals, Polymers, Refractive index, Optical filters, Glasses, Photonic crystals, Camera shutters, Reflective displays, Tunable lasers

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Proceedings Article | 7 October 2014 Paper

Vertical-cavity surface-emitting laser with liquid crystal external cavity

Y. Xie, J. Beeckman, K. Panajotov, K. Neyts

Proceedings Volume 9182, 918203 (2014) https://doi.org/10.1117/12.2058863

KEYWORDS: Vertical cavity surface emitting lasers, Liquid crystals, Dielectric polarization, Molecules, Dielectric mirrors, Polarization, Photonics, Temperature metrology, Reflection, Reflectors

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Proceedings Article | 28 August 2014 Paper

Polarized light emission by deposition of aligned semiconductor nanorods

Mohammad Mohammadimasoudi, Lieven Penninck, Tangi Aubert, Raquel Gomes, Zeger Hens, Filip Strubbe, Kristiaan Neyts

Proceedings Volume 9170, 917013 (2014) https://doi.org/10.1117/12.2060960

KEYWORDS: Electrodes, Luminescence, Glasses, Semiconductors, Polarization, Solar cells, Image filtering, Organic light emitting diodes, Optical alignment, Nanorods

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Proceedings Article | 19 February 2014 Paper

Modeling optical modes of in-plane liquid crystal lasers

Jeroen Beeckman, Inge Nys, Kristiaan Neyts

Proceedings Volume 9004, 900407 (2014) https://doi.org/10.1117/12.2044452

KEYWORDS: Liquid crystals, Systems modeling, Liquid crystal lasers, Polarization, Refractive index, Optical simulations, Glasses, LCDs, Dye lasers, Laser applications

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Proceedings Article | 27 September 2013 Paper

Optical design for efficient light emission in OLEDs and anisotropic layers

Lieven Penninck, Kristiaan Neyts

Proceedings Volume 8829, 88291H (2013) https://doi.org/10.1117/12.2027197

KEYWORDS: Organic light emitting diodes, Anisotropy, Liquid crystals, Antennas, Molecules, Near field, Mirrors, Plasmons, Optical design, Optical properties

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Proceedings Article | 13 March 2013 Paper

Vertical cavity surface emitting laser with nematic and chiral liquid crystals overlay

Y. Xie, J. Beeckman, W. Woestenborghs, K. Panajotov, K. Neyts

Proceedings Volume 8639, 86390E (2013) https://doi.org/10.1117/12.1000246

KEYWORDS: Liquid crystals, Vertical cavity surface emitting lasers, Polarization, Glasses, Molecules, Overlay metrology, Wave plates, Linear polarizers, Electrodes, Reflection

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Proceedings Article | 13 March 2013 Paper

VCSELs with nematic and cholesteric liquid crystal overlays

K. Panajotov, M. Dems, C. Belmonte, H. Thienpont, Y. Xie, J. Beeckman, K. Neyts

Proceedings Volume 8639, 86390A (2013) https://doi.org/10.1117/12.2003937

KEYWORDS: Liquid crystals, Vertical cavity surface emitting lasers, Polarization, Glasses, Electro optics, Refractive index, Modulation, Gallium arsenide, Polarization control, Switching

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Proceedings Article | 6 March 2013 Paper

Transient and local illumination of an organic photoconductive sensor

Wouter Woestenborghs, Patrick De Visschere, Filip Beunis, Arnout Vetsuypens, Kristiaan Neyts

Proceedings Volume 8622, 862216 (2013) https://doi.org/10.1117/12.2000502

KEYWORDS: Sensors, Electrodes, Electro optical modeling, Excitons, Absorption, Electro optics, Resistors, Organic materials, Sensor performance, Electro optical sensors

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Proceedings Article | 15 May 2012 Paper

850nm VCSEL with a liquid crystal overlay

Veena Nair, Krassimir Panajotov, Mikov Petrov, Hugo Thienpont, Yi Xie, Jeroen Beeckman, Kristiaan Neyts

Proceedings Volume 8432, 84321X (2012) https://doi.org/10.1117/12.922238

KEYWORDS: Vertical cavity surface emitting lasers, Liquid crystals, Glasses, Polarizers, Polarization, Optical alignment, Molecules, System integration, Lithium, Polarization control

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Proceedings Article | 26 October 2011 Paper

Self-focusing mechanism in nematic liquid crystals with sub-millisecond response

Rosario Porras-Aguilar, Jeroen Beeckman, Kristiaan Neyts

Proceedings Volume 8011, 80113W (2011) https://doi.org/10.1117/12.903350

KEYWORDS: Liquid crystals, Modulation, Laser beam propagation, Thermal effects, Diffraction, Infrared lasers, Polarization, Spatial solitons, Refractive index, Temperature metrology

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Proceedings Article | 17 September 2011 Paper

Waveguides with liquid crystals

Kristiaan Neyts, Thomas Ako, Wout De Cort, Pieter Vanbrabant, Jeroen Beeckman

Proceedings Volume 8114, 81140V (2011) https://doi.org/10.1117/12.894990

KEYWORDS: Waveguides, Liquid crystals, Silicon, Refractive index, Electrodes, Dielectrics, Optical fibers, Liquid crystal on silicon, Cladding, Waveguide modes

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SPIE Journal Paper | 1 August 2011

Liquid-crystal photonic applications

Jeroen Beeckman, Kristiaan Neyts, Pieter Vanbrabant

OE, Vol. 50, Issue 08, 081202, (August 2011) https://doi.org/10.1117/12.10.1117/1.3565046

KEYWORDS: Liquid crystals, Waveguides, Refractive index, Molecules, Polarization, Nonlinear optics, Polymers, Switches, Spatial light modulators, Solitons

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SPIE Journal Paper | 1 August 2011

Finite element optical modeling of liquid crystal waveguides

Pieter Vanbrabant, Jeroen Beeckman, Kristiaan Neyts, Richard James, F. Anibal Fernandez

OE, Vol. 50, Issue 08, 081204, (August 2011) https://doi.org/10.1117/12.10.1117/1.3564593

KEYWORDS: Liquid crystals, Beam propagation method, Waveguides, Wave propagation, Optical components, Light wave propagation, Radio propagation, Cladding, Chemical elements, Gaussian beams

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Proceedings Article | 2 February 2011 Paper

Three-dimensional finite element modeling of liquid crystal devices

Pieter J. Vanbrabant, Richard James, Jeroen Beeckman, Kristiaan Neyts, Eero Willman, F. Anibal Fernandez

Proceedings Volume 7955, 79550B (2011) https://doi.org/10.1117/12.879404

KEYWORDS: Chemical elements, Liquid crystals, Beam propagation method, Neon, Finite element methods, 3D modeling, LCDs, Wave propagation, Diffraction, Liquid crystal on silicon

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Proceedings Article | 18 August 2010 Paper

Propagation of nematicons in unbiased configurations: spiraling solitons

Jeroen Beeckman, Kristiaan Neyts, Abbas Madani, Marc Haelterman, Pierre Henneaux, Pieter J. Vanbrabant

Proceedings Volume 7775, 77750W (2010) https://doi.org/10.1117/12.861280

KEYWORDS: Liquid crystals, Solitons, Beam propagation method, Nonlinear optics, Refractive index, Optical solitons, Gaussian beams, Free space optics, Switching, Diffraction

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Proceedings Article | 8 February 2010 Paper

Fast and precise measurements of particle charge with optical trapping electrophoresis

Filip Beunis, Filip Strubbe, Bart Verboven, Kristiaan Neyts, Dmitri Petrov

Proceedings Volume 7613, 76130B (2010) https://doi.org/10.1117/12.841302

KEYWORDS: Particles, Optical tweezers, Liquids, Velocity measurements, Polymethylmethacrylate, Microscopes, Calibration, Electrodes, Light scattering, Sensors

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Proceedings Article | 21 August 2009 Paper

New wavelength-tuning method in optical ring resonators with liquid crystal cladding: exploiting the longitudinal E-field

Wout De Cort, Jeroen Beeckman, Richard James, F. Anibal Fernandez, Roel Baets, Kristiaan Neyts

Proceedings Volume 7414, 74140D (2009) https://doi.org/10.1117/12.825669

KEYWORDS: Liquid crystals, Waveguides, Silicon, Cladding, Resonators, Glasses, Molecules, Refractive index, Photonics, Dielectrics

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Proceedings Article | 21 August 2009 Paper

Non-linear light propagation and bistability in nematic liquid crystals

Jeroen Beeckman, Kristiaan Neyts, Wout De Cort, Abbas Madani

Proceedings Volume 7414, 74140K (2009) https://doi.org/10.1117/12.827015

KEYWORDS: Liquid crystals, Geometrical optics, Bistability, Interfaces, Switches, Refractive index, Magnetism, Electrodes, Nonlinear optics, Light wave propagation

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Proceedings Article | 25 April 2008 Paper

An overview about the use of electrical doping of charge carrier transport layers in OLEDs and further organic electronic applications

Senthilkumar Madasamy, Domagoj Pavicic, Carsten Rothe, Sven Murano, Jan Birnstock, Jan Blochwitz-Nimoth, Saso Mladenovski, Kristiaan Neyts, Martin Pfeiffer

Proceedings Volume 6999, 69991E (2008) https://doi.org/10.1117/12.782332

KEYWORDS: Organic light emitting diodes, Doping, Organic electronics, Light sources and illumination, Monte Carlo methods, Photovoltaics, Electron transport, Solar cells, Metals, Ray tracing

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Proceedings Article | 16 October 2007 Paper

Light extraction for a doubly resonant cavity organic LED: the RC2LED

Peter Vandersteegen, Saso Mladenovski, Volker van Elsbergen, Georg Gartner, Peter Bienstman, Kristiaan Neyts, Roel Baets

Proceedings Volume 6655, 665513 (2007) https://doi.org/10.1117/12.732524

KEYWORDS: Organic light emitting diodes, Light emitting diodes, Luminous efficiency, Refractive index, Glasses, OLED lighting, Internal quantum efficiency, Electroluminescence, Niobium, Interfaces

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Proceedings Article | 9 May 2007 Paper

Nonlinear wave guiding in nematic liquid crystals

Jeroen Beeckman, Kristiaan Neyts, Xavier Hutsebaut, Marc Haelterman

Proceedings Volume 6587, 65870K (2007) https://doi.org/10.1117/12.721361

KEYWORDS: Liquid crystals, Waveguides, Solitons, Beam propagation method, Refractive index, Nonlinear optics, Dielectrics, Molecules, Interfaces, Polarization

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Proceedings Article | 26 February 2007 Paper

Employing a 2D surface grating to improve light out coupling of a substrate emitting organic LED

Peter Vandersteegen, Angel Nieto, Carl Van Buggenhout, Steven Verstuyft, Peter Bienstman, Peter Debackere, Kristiaan Neyts, Roel Baets

Proceedings Volume 6486, 64860H (2007) https://doi.org/10.1117/12.701344

KEYWORDS: Organic light emitting diodes, Light emitting diodes, Glasses, Microlens, Interfaces, Lenses, Refractive index, OLED lighting, Reflection, Natural surfaces

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Proceedings Article | 9 February 2007 Paper

Wave guiding with liquid crystals

Kristiaan Neyts, Jeroen Beeckman, Hans Desmet

Proceedings Volume 6487, 64870O (2007) https://doi.org/10.1117/12.710891

KEYWORDS: Liquid crystals, Waveguides, Refractive index, Silicon, Electrodes, Liquid crystal on silicon, Bismuth, Glasses, Wave propagation, Light wave propagation

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Proceedings Article | 20 April 2006 Paper

Liquid crystal orientation on patterns etched in Silicon on Insulator

H. Desmet, K. Neyts, R. Baets

Proceedings Volume 6183, 61831Z (2006) https://doi.org/10.1117/12.668350

KEYWORDS: Liquid crystals, Silicon, Liquid crystal on silicon, Optical alignment, Molecules, Photonics, Glasses, Polarizers, Optical lithography, Waveguides

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Proceedings Article | 18 February 2004 Paper

One-dimensional simulation of field-induced director reorientation and lateral light propagation in liquid crystals

Jeroen Beeckman, Kristiaan Neyts, Xavier Hutsebaut, Marc Haelterman

Proceedings Volume 5249, (2004) https://doi.org/10.1117/12.513878

KEYWORDS: Liquid crystals, Solitons, Geometrical optics, Molecules, Beam propagation method, Spatial solitons, Wave propagation, Distortion, Nonlinear optics, Waveguides

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Proceedings Article | 18 February 2004 Paper

Modeling of ion transport in liquid crystal cells

Richard James, Stefaan Vermael, F. Fernandez, Sally Day, Kristiaan Neyts

Proceedings Volume 5249, (2004) https://doi.org/10.1117/12.513385

KEYWORDS: Ions, Liquid crystals, Switching, Electrodes, Transmittance, Anisotropy, Information operations, Electroluminescence, Monte Carlo methods, Diffusion

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Proceedings Article | 27 June 2002 Paper

Simulation of V-shaped stability in AFLC

Artur Adamski, Herman Pauwels, Kristiaan Neyts, Chris Desimpel, Stefaan Vermael

Proceedings Volume 4759, (2002) https://doi.org/10.1117/12.472135

KEYWORDS: Switching, Glasses, Polarization, Atrial fibrillation, Picosecond phenomena, Molecules, Liquid crystals, Switches, Molecular interactions, Dielectric polarization

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Proceedings Article | 27 June 2002 Paper

Detailed comparison of several ion-transport algorithms in a 1-dimensional liquid crystal model

Stefaan Vermael, Herbert De Vleeschouwer, Kristiaan Neyts, Artur Adamski, Goran Stojmenovik

Proceedings Volume 4759, (2002) https://doi.org/10.1117/12.472153

KEYWORDS: Ions, Monte Carlo methods, Computer simulations, Diffusion, LCDs, Liquid crystals, Differential equations, Particles, Astatine, Systems modeling

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Showing 5 of 41 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 5 March 2014

Emerging Liquid Crystal Technologies IX

Conference Committee Involvement (21)

Emerging Liquid Crystal Technologies XX

27 January 2025 | San Francisco, California, United States

Liquid Crystals Optics and Photonic Devices

8 April 2024 | Strasbourg, France

Emerging Liquid Crystal Technologies XIX

30 January 2024 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XVIII

1 February 2023 | San Francisco, California, United States

Organic Electronics and Photonics: Fundamentals and Devices III

4 April 2022 | Strasbourg, France

Emerging Liquid Crystal Technologies XVII

25 January 2022 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XVI

6 March 2021 | Online Only, California, United States

Organic Electronics and Photonics: Fundamentals and Devices II

6 April 2020 | Online Only, France

Emerging Liquid Crystal Technologies XV

3 February 2020 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XIV

3 February 2019 | San Francisco, California, United States

Organic Electronics and Photonics: Fundamentals and Devices

24 April 2018 | Strasbourg, France

Emerging Liquid Crystal Technologies XIII

29 January 2018 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XII

31 January 2017 | San Francisco, California, United States

Emerging Liquid Crystal Technologies XI

16 February 2016 | San Francisco, California, United States

Emerging Liquid Crystal Technologies X

9 February 2015 | San Francisco, California, United States

Emerging Liquid Crystal Technologies IX

5 February 2014 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VIII

5 February 2013 | San Francisco, California, United States

Emerging Liquid Crystal Technologies VII

22 January 2012 | San Francisco, California, United States

Emerging Liquid Crystal Technologies III

20 January 2008 | San Jose, California, United States

Liquid Crystals and their Applications in Optics

17 April 2007 | Prague, Czech Republic

Liquid Crystals: Optics and Applications

30 August 2005 | Warsaw, Poland

Showing 5 of 21 Conference Committees

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