Selective etching of pre-stressed multi-layered structures enables to release intrinsic stresses creating flexible macroscopic shapes (rolls, spirals, tubes…). By combining stress-engineering and photonic concepts, PHOLDING project propose to develop a numerical and experimental methodology to obtain complex three-dimensional photonic structures, by folding a two-dimensional photonic crystal membrane, in controlling material composition, mask design and etching process. This project targets specifically the generation of new families of 3D hollow optical micro-resonators, with the peculiar properties of enabling a strong trapping and enhancement of light in a low index media. Light confinement is achieved by enclosing a small region of space with the folded photonic membrane designed to present a broad-band and high reflectivity in the wavelength range of interest. This leads to the achievement of very open resonators where strong light-matter interaction can be exploited in optical devices comprising an active material embedded in a low index matrix like polymer, liquid or even gas.
Monsieur Jean-Louis LECLERCQ (Institut des Nanotechnologies de Lyon)
The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.
LSPM Laboratoire des Sciences des Procédés et des Matériaux
INL-CNRS Institut des Nanotechnologies de Lyon
Help of the ANR 318,384 euros
Beginning and duration of the scientific project: - 42 Months