Zobrazeno 1 - 10 of 96 pro vyhledávání: '"Pascal Kockaert"'
1
Optical modeling of single and multilayer two-dimensional materials and heterostructures
Autor: Bruno Majérus, Luc Henrard, Pascal Kockaert
Publikováno v: Majérus, B, Henrard, L & Kockaert, P 2023, ' Optical modeling of single and multilayer two-dimensional materials and heterostructures ', Physical Review B, vol. 107, no. 4, 045429 . https://doi.org/10.1103/PhysRevB.107.045429
Bidimensional materials are ideally viewed as having no thickness, as their name suggests. Their optical response have been previously modelled by a purely bidimensional surface current or by a very thin film with some contradictory results. The adve
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be2dac21e7c9b09cd50b90d6899eab9a
https://doi.org/10.1103/physrevb.107.045429
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2
Coupling to multi-mode waveguides with space-time shaped free-space pulses
Autor: Spencer W Jolly, Pascal Kockaert
Publikováno v: Journal of Optics. 25:054002
Guided wave optics, including most prominently fiber optics and integrated photonics, very often considers only one or very few spatial modes of the waveguides. Despite being known and utilized for decades, multi-mode guided wave optics is currently
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2ba92cc94ceade80df17f02ec37ee4c
https://doi.org/10.1088/2040-8986/acc673
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4
Laser control of a dark vibrational state of acetylene in the gas phase-Fourier transform pulse shaping constraints and effects of decoherence
Autor: Antoine Aerts, Pascal Kockaert, Simon-Pierre Gorza, Alex Brown, Jean Vander Auwera, Nathalie Vaeck
Publikováno v: The Journal of chemical physics. 156(8)
We propose a methodology to tackle the laser control of a non-stationary dark ro-vibrational state of acetylene (C2H2), given realistic experimental limitations in the 7.7 μm (1300 cm−1) region. Simulations are performed using the Lindblad master
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b3661cb681ca7c2b2ba761d315a9356
https://pubmed.ncbi.nlm.nih.gov/35232207
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5
Electrodynamics of two-dimensional materials: Role of anisotropy
Autor: Bruno Majérus, Pascal Kockaert, Evdokia Dremetsika, Luc Henrard, Michaël Lobet
Publikováno v: Majérus, B, Dremetsika, E, Lobet, M, Henrard, L & Kockaert, P 2018, ' Electrodynamics of two-dimensional materials : Role of anisotropy ', Physical Review B, vol. 98, no. 12, 125419 . https://doi.org/10.1103/physrevb.98.125419
Physical Review B, 98 (12
Two-dimensional (2D) materials are intrinsically anisotropic, and an accurate description of their out-of-plane response to an electromagnetic field is more and more important as new materials with diverse properties are proposed. Their electromagnet
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f6643fdf9342908c48fd451b22490af
https://doi.org/10.1103/physrevb.98.125419
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6
Solvent-induced self-assembly of uniform lying helix alignment of the cholesteric liquid crystal phase for the flexoelectro-optic effect
Autor: Stephen M. Morris, Serena Bolis, Steve J. Elston, Chloe C. Tartan, Jeroen Beeckman, Pascal Kockaert
Publikováno v: Liquid crystals
A uniform lying helix (ULH) alignment of cholesteric liquid crystals (LCs) is obtained using a solvent evaporation technique. The solvent evaporation method allows for the spontaneous formation of a virtually defect-free alignment, even in the absenc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7812e69f49886b759f335974f0de3345
http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/266100
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7
The role of segregation in the polarized emission from polyfluorene embedded in a liquid crystal
Autor: Marco Finazzi, Serena Bolis, Jeroen Beeckman, Tersilla Virgili, Pascal Kockaert, Michele Celebrano, Lavinia Ghirardini
Publikováno v: Journal of polymer science. Part B, Polymer physics (2016). doi:10.1002/polb.24069
info:cnr-pdr/source/autori:Lavinia Ghirardini, Tersilla Virgili, Serena Bolis, Jeroen Beeckman, Pascal Kockaert, Marco Finazzi, Michele Celebrano/titolo:The Role of Segregation in the Polarized Emission from Polyfluorene Embedded in a Liquid Crystal/doi:10.1002%2Fpolb.24069/rivista:Journal of polymer science. Part B, Polymer physics/anno:2016/pagina_da:/pagina_a:/intervallo_pagine:/volume
Polyfluorene (PFO) embedded in a nematic liquid crystal (LC) matrix is investigated. For low PFO weight contents, a homogeneous dispersion is obtained which displays a strong fluorescence anisotropy along the LC director, indicating a significant ali
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::462586666a8b95ff0ceab691a9d4ce7d
http://hdl.handle.net/11311/994173
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8
Spatial fluctuations of optical solitons due to long-range correlated dielectric perturbations in liquid crystals
Autor: Jeroen Beeckman, Serena Bolis, Simon-Pierre Gorza, Kristiaan Neyts, Steve J. Elston, Pascal Kockaert
Publikováno v: PHYSICAL REVIEW A
Starting from the de Gennes theory of director fluctuations in nematics, we report on a model of the spatial fluctuations in nematicon propagation. We demonstrate that, when the long-range correlation that characterizes nematic liquid crystals is tak
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a12e206f3dc61beac160815d13167e6f
http://ora.ox.ac.uk/objects/uuid:
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9
Enhanced optical Kerr effect method for a detailed characterization of the third-order nonlinearity of two-dimensional materials applied to graphene
Autor: Pascal Kockaert, Evdokia Dremetsika
Publikováno v: Physical Review B, 96
Using an enhanced optically heterodyned optical Kerr effect method and a theoretical description of the interactions between an optical beam, a single layer of graphene, and its substrate, we provide experimental answers to questions raised by theore
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5085cf75a005c57331e3fad51ff09571
http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/266363
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10
Strong collection of Amplified Spontaneous Emission with nematicons
Autor: Pascal Kockaert, Tersilla Virgili, Serena Bolis, Jeroen Beeckman
Publikováno v: Photonics and Fiber Technology 2016 (ACOFT, BGPP, NP).
Amplified spontaneous emission (ASE) generated in nematic liquid crystals is efficiently collected by a soliton generated in the same medium. The soliton guides and injects the weakly coherent polarized ASE into an optical fiber.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74d889bb1dfe259c15310b260d9ae6d4
https://doi.org/10.1364/np.2016.nth2a.7
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