Alexandre Baron

TL;DR: The design and experimental observation of a highly efficient unidirectional surface plasmon launcher composed of eleven subwavelength grooves, each with a distinct depth and width is reported, which can efficiently convert SPPs into a highly directive light beam emanating perpendicularly to the sample.

TL;DR: Using two freely propagating surface plasmon polaritons interfering on a lossy beam splitter, it is shown that the presence of loss enables us to modify the reflection and transmission factors of the beams, thus revealing quantum interference paths that do not exist in a lossless configuration.

TL;DR: In this article, nonlinear propagation experiments in GaAs photonic crystal waveguides (PCW) were performed, which exhibit a large enhancement of third order nonlinearities, due to light propagation in a slow mode regime, such as two-photon absorption (TPA), optical Kerr effect and refractive index changes due to free-carriers generated by TPA.

TL;DR: Nonlinear propagation experiments in GaAs photonic crystal waveguides were performed, which exhibit a large enhancement of third order nonlinearities, due to light propagation in a slow mode regime, and demonstrates the important role that the group velocity plays.

TL;DR: In this article, the authors reported the observation of two-plasmon quantum interference between two freely-propagating, non-guided surface plasmons interfering on lossy plasmonic beamsplitters.