Koen Alexander
Koen Alexander
Photonics Research Group, INTEC, Ghent University
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Nanophotonic Pockels modulators on a silicon nitride platform
K Alexander, JP George, J Verbist, K Neyts, B Kuyken, D Van Thourhout, ...
Nature Communications 9, 3444, 2018
912018
Electrically tunable optical nonlinearities in graphene-covered SiN waveguides characterized by four-wave mixing
K Alexander, NA Savostianova, SA Mikhailov, B Kuyken, ...
ACS Photonics 4 (12), 3039-3044, 2017
862017
Excitability in optically injected microdisk lasers with phase controlled excitatory and inhibitory response
K Alexander, T Van Vaerenbergh, M Fiers, P Mechet, J Dambre, ...
Optics express 21 (22), 26182-26191, 2013
402013
Excitation transfer between optically injected microdisk lasers
T Van Vaerenbergh, K Alexander, J Dambre, P Bienstman
Optics express 21 (23), 28922-28932, 2013
262013
Gate-tunable nonlinear refraction and absorption in graphene-covered silicon nitride waveguides
K Alexander, NA Savostianova, SA Mikhailov, D Van Thourhout, ...
ACS Photonics 5 (12), 4944-4950, 2018
192018
Broadband electro-optic modulation using low-loss PZT-on-silicon nitride integrated waveguides
K Alexander, JP George, B Kuyken, J Beeckman, D Van Thourhout
CLEO: Science and Innovations, JTh5C. 7, 2017
142017
Electrically controllable saturable absorption in hybrid graphene-silicon waveguides
K Alexander, Y Hu, M Pantouvaki, S Brems, I Asselberghs, SP Gorza, ...
CLEO: Science and Innovations, STh4H. 7, 2015
62015
Influence of longitudinal mode components on second harmonic generation in III-V-on-insulator nanowires
C Ciret, K Alexander, N Poulvellarie, M Billet, CM Arabi, B Kuyken, ...
Optics express 28 (21), 31584-31593, 2020
42020
Second-harmonic generation enabled by longitudinal electric-field components in photonic wire waveguides
N Poulvellarie, U Dave, K Alexander, C Ciret, M Billet, CM Arabi, F Raineri, ...
Physical Review A 102 (2), 023521, 2020
42020
Second Harmonic Generation Induced by Longitudinal Components in Indium Gallium Phosphide Nanowaveguides
N Poulvellarie, U Dave, K Alexander, C Ciret, F Raineri, S Combrié, ...
Nonlinear Optics, NM3B. 2, 2019
22019
Hybrid PZT/Si TM/TE electro-optic phase modulators
GF Feutmba, JP George, K Alexander, D Van Thourhout, J Beeckman
Integrated Optics: Devices, Materials, and Technologies XXIII 10921, 109210Q, 2019
22019
Second Harmonic Generation by Mixing Longitudinal and Transverse Electric Field Components in Indium Gallium Phosphide-on-insulator Wire Waveguides
U Dave, N Poulvellarie, K Alexander, SP Gorza, F Raineri, S Combrie, ...
Nonlinear Photonics, NpTh1C. 2, 2018
12018
Integrated silicon nitride photonics with highly nonlinear thin films and 2D materials: properties and devices
K Alexander
Ghent University, 2018
12018
Tunable enhanced Faraday rotation in a defected plasma photonic crystal under external magnetic field with different declinations
N Pourali, K Alexander, V Hessel, E Rebrov
Journal of Physics D: Applied Physics, 2021
2021
Experimental Observation of Second Harmonic Generation Enabled by Longitudinal Components in Indium Gallium Phosphide Nanowires
N Poulvellarie, U Dave, K Alexander, C Ciret, SP Gorza, F Raineri, ...
2019 Conference on Lasers and Electro-Optics Europe & European Quantum …, 2019
2019
Nanophotonic PZT-on-SiN pockels modulators (Conference Presentation)
K Alexander, JP George, GF Feutmba, IL Lufungula, K Neyts, B Kuyken, ...
Smart Photonic and Optoelectronic Integrated Circuits XXI 10922, 109221P, 2019
2019
Advances in PZT-on-SiN electro-optic modulator platform
JP George, K Alexander, B Kuyken, D Van Thourhout, J Beeckman
Integrated Photonics Research, Silicon and Nanophotonics, ITh3B. 2, 2018
2018
Electrically Tunable Nonlinear Refraction and Absorption in Graphene-covered SiN Waveguides
K Alexander, B Kuyken, D Van Thourhout
CLEO: QELS_Fundamental Science, FF2E. 3, 2018
2018
Advances in PZT-on-SiN electro-optic modulator platform
J Puthenparampil George, K Alexander, B Kuyken, D Van Thourhout, ...
Advanced Photonics Congress, 2018
2018
Optimization of hybrid PZT/Si electro-optic phase modulators
GF Feutmba, J Puthenparampil George, K Alexander, D Van Thourhout, ...
23rd Annual Symposium of the IEEE Photonics Society, Benelux Chapter, 145-148, 2018
2018
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학술자료 1–20