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

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https://doi.org/10.1103/physrevb.107.045429

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

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https://doi.org/10.1088/2040-8986/acc673

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

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https://doi.org/10.1103/physrevb.98.125419

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

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http://ora.ox.ac.uk/objects/uuid:

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

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http://hdl.handle.net/11311/994173